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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) - Voltage Regulators - Linear, Low Drop Out (LDO) Regulators > ADM7150ACPZ-3.3-R7
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ADM7150ACPZ-3.3-R7

In Stock 4444 pcs Reference Price(In US Dollars)
1+
$4.6027
Manufacturer Part Number:
ADM7150ACPZ-3.3-R7
Manufacturer / Brand
Analog Devices Inc.
Part of Description:
IC REG LINEAR 3.3V 800MA 8LFCSP
Datasheets:
ADM7150ACPZ-3.3-R7(1).pdfADM7150ACPZ-3.3-R7(2).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 4444 pcs Stock Available.
ECAD Model:
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Part Number ADM7150ACPZ-3.3-R7
Manufacturer / Brand Analog Devices Inc.
Stock Quantity 4444 pcs Stock
Category Integrated Circuits (ICs) > Power Management (PMIC) - Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Description IC REG LINEAR 3.3V 800MA 8LFCSP
Lead Free Status / RoHS Status: ROHS3 Compliant
RFQ ADM7150ACPZ-3.3-R7 Datasheets ADM7150ACPZ-3.3-R7 Details PDF
ADM7150ACPZ-3.3-R7 Details PDF for FR.pdf
ADM7150ACPZ-3.3-R7 Details PDF for KR.pdf
ADM7150ACPZ-3.3-R7 Details PDF for IT.pdf
ADM7150ACPZ-3.3-R7 Details PDF for ES.pdf
ADM7150ACPZ-3.3-R7 Details PDF for DE.pdf
Voltage Dropout (Max) -
Voltage - Output (Min/Fixed) 3.3V
Voltage - Output (Max) -
Voltage - Input (Max) 16V
Supplier Device Package 8-LFCSP-WD (3x3)
Series -
Protection Features Over Temperature, Short Circuit
Package / Case 8-WFDFN Exposed Pad, CSP
Package Tape & Reel (TR)
PSRR 94dB ~ 62dB (1kHz ~ 1MHz)
Output Type Fixed
Output Configuration Positive
Operating Temperature -40°C ~ 125°C
Number of Regulators 1
Mounting Type Surface Mount
Current - Supply (Max) 12 mA
Current - Quiescent (Iq) 7 mA
Current - Output 800mA
Control Features Enable
Base Product Number ADM7150

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ADM7150ACPZ-3.3-R7 Product Details:

The ADM7150ACPZ-3.3-R7 is a linear voltage regulator IC manufactured by Analog Devices, Inc. (ADI). As a member of the PMIC (Power Management Integrated Circuit) - Voltage Regulators - Linear category, this device is designed to provide a stable and regulated 3.3V output voltage from an input voltage of up to 16V.

The ADM7150ACPZ-3.3-R7 features a compact 8-LFCSP-WD (3x3) package with an exposed pad, providing a small footprint and efficient thermal dissipation. It is RoHS-compliant and lead-free, making it suitable for environmentally-conscious applications. The operating temperature range of -40°C to 125°C ensures its reliability in a wide variety of environments.

The key specifications of this linear voltage regulator include a 3.3V fixed output voltage, a maximum output current of 800mA, and a quiescent current of 7mA. It also offers protection features such as over-temperature and short-circuit protection, ensuring the safety and reliability of the power supply.

The primary advantages of the ADM7150ACPZ-3.3-R7 are its high power supply rejection ratio (PSRR) of 94dB to 62dB (1kHz to 1MHz), which helps to maintain a stable output voltage despite fluctuations in the input voltage, and its enable control feature, which allows for easy power management and system control.

This linear voltage regulator is compatible with a variety of electronic devices and systems, making it suitable for a wide range of applications, including industrial equipment, consumer electronics, and portable devices. It can be used as a power supply for microcontrollers, digital logic, and analog circuits, providing a reliable and efficient voltage regulation solution.

Regarding equivalent or alternative models, there are several similar linear voltage regulators available from Analog Devices, Inc. and other manufacturers. Some examples include the following:

1. ADM7150ACPZ-1.8-R7 (1.8V output)

2. ADM7150ACPZ-5.0-R7 (5.0V output)

3. LT1764ES8-3.3#PBF (Linear Technology/Analog Devices, 3.3V output)

4. LM317LMFS-3.3/NOPB (Texas Instruments, 3.3V output)

5. AP7381-33WG-7 (Diodes Incorporated, 3.3V output)

These models may vary in terms of output voltage, maximum output current, package, and other specifications, allowing users to select the most suitable option for their particular design requirements.

ADM7150ACPZ-3.3-R7 Key Technical Attributes

Linear Voltage Regulator IC, Positive Fixed Output, 1 Output

ADM7150ACPZ-3.3-R7 Packing Size

Package Type: 8-WFDFN Exposed Pad, CSP, 8-LFCSP-WD (3x3)

Material: Moisture Sensitivity Level (MSL) of 3 (168 Hours)

Electrical properties: Current - Output 800mA; Voltage - Input (Max) 16V

ADM7150ACPZ-3.3-R7 Application

Ideal for power management in complex systems

ADM7150ACPZ-3.3-R7 Features

The ADM7150ACPZ-3.3-R7 is a high-performance linear voltage regulator IC from Analog Devices, ensuring a stable 3.3V output from an input that can handle up to 16V. It offers excellent Power Supply Rejection Ratio (PSRR) ranging from 94dB to 62dB over 1kHz to 1MHz frequencies which helps in minimizing noise from fluctuating power supplies. The quiescent current is minimal at only 7mA, optimizing energy use in low-power applications. Equipped with features like over-temperature and short-circuit protection, it adds an extra layer of safety to the operation. The device also comes with an enable control feature, allowing for more flexible power management.

ADM7150ACPZ-3.3-R7 Quality and Safety Features

Protected against over-temperature and short-circuit conditions. Supports a wide operating temperature range from -40°C to 125°C.

ADM7150ACPZ-3.3-R7 Compatibility

The device is packaged in an 8-LFCSP-WD (3x3) form factor with surface mount technology, making it compatible with a wide range of electronic applications requiring a fixed 3.3V output.

ADM7150ACPZ-3.3-R7 Datasheet PDF

For complete product specifications, operational boundaries and more detailed information, customers are encouraged to view the most authoritative datasheet available on our website. Download the official datasheet for ADM7150ACPZ-3.3-R7 directly from the product page to ensure you have all the necessary data for your application needs.

Quality Distributor

As a premier distributor of Analog Devices products, IC-Components stands as a trusted partner for sourcing high-quality electronic components. We recommend obtaining a quote directly through our website for the ADM7150ACPZ-3.3-R7, where you can benefit from competitive pricing and premium customer support. Ensure you're purchasing genuine and top-quality components through IC-Components for your essential electronic needs.

Frequently Asked Questions

What are the critical design considerations when replacing a standard LDO like the ADP7104 or TPS7A4700 with the ADM7150ACPZ-3.3-R7 in a noise-sensitive analog front-end application?
When replacing standard LDOs such as the ADP7104 or TPS7A4700 with the ADM7150ACPZ-3.3-R7, engineers must account for its ultra-low noise performance (1.5 µV RMS typical) and high PSRR (94 dB at 1 kHz), which make it ideal for RF and precision analog circuits. However, note that the ADM7150ACPZ-3.3-R7 requires a minimum output capacitance of 10 µF with a maximum ESR of 50 mΩ for stability—unlike many older LDOs that tolerate ceramic-only outputs. Using undersized or high-ESR capacitors can cause instability. Additionally, its 7 mA quiescent current is higher than some low-Iq alternatives, so power-sensitive battery designs may need to evaluate total system efficiency trade-offs.
Can the ADM7150ACPZ-3.3-R7 be used in industrial environments with ambient temperatures exceeding 105°C, and what derating practices should be applied?
Yes, the ADM7150ACPZ-3.3-R7 is rated for operation from –40°C to +125°C junction temperature, making it suitable for industrial and automotive-grade applications. However, at high ambient temperatures (>105°C), thermal derating is essential due to power dissipation limits. With a θJA of ~40°C/W in the 3x3 mm LFCSP package, continuous operation near 800 mA output current requires careful PCB thermal design—including a solid ground plane under the exposed pad and adequate copper pour. For sustained loads above 500 mA at elevated temperatures, consider reducing output current or improving airflow to avoid triggering the internal over-temperature protection.
How does the enable pin functionality on the ADM7150ACPZ-3.3-R7 impact power sequencing in multi-rail FPGA or processor systems?
The enable (EN) pin on the ADM7150ACPZ-3.3-R7 allows precise control of power-up sequencing by accepting logic-level inputs (1.2 V threshold typical). This enables integration into complex sequencing schemes for FPGAs, ASICs, or SoCs where 3.3 V rails must ramp after core voltages. The EN pin has internal pull-down, so it can be safely driven by open-drain controllers. However, ensure the driving signal meets VIH specs under all conditions—especially during brownouts—to prevent unintended turn-on. When used with voltage supervisors, add a small RC delay (e.g., 10 kΩ + 1 µF) to avoid glitches during fast system resets.
Is the ADM7150ACPZ-3.3-R7 a drop-in replacement for the LT3045 in a 3.3 V, 500 mA application, and what layout changes are necessary?
While both the ADM7150ACPZ-3.3-R7 and LT3045 offer ultra-low noise and high PSRR, they are not direct drop-in replacements due to differing pinouts and stability requirements. The LT3045 uses a different package (DD-Pak or MSOP) and requires a minimum 10 µF ceramic output cap with very low ESR (<20 mΩ), whereas the ADM7150ACPZ-3.3-R7 also needs 10 µF but allows slightly higher ESR (up to 50 mΩ). More critically, the ADM7150ACPZ-3.3-R7’s exposed pad must be soldered to a low-impedance ground plane for thermal and electrical performance—a layout change often required when migrating from non-exposed-pad packages. Re-spinning the PCB layout is typically necessary.
What input voltage range and bypassing strategy should be used to maintain PSRR performance when powering the ADM7150ACPZ-3.3-R7 from a noisy 12 V switching regulator?
The ADM7150ACPZ-3.3-R7 accepts input voltages up to 16 V, so a 12 V pre-regulator is acceptable. To preserve its high PSRR (62 dB at 1 MHz), place a low-ESR ceramic capacitor (≥1 µF, X7R) as close as possible to the IN pin, followed by a 10 µF bulk capacitor within 5 mm. Avoid long traces between the switcher and LDO input, as parasitic inductance can couple high-frequency noise. If the upstream switcher operates above 500 kHz, consider adding a small ferrite bead (e.g., 600 Ω @ 100 MHz) in series with the input to attenuate conducted emissions before they reach the ADM7150ACPZ-3.3-R7.
Are there known reliability concerns when using the ADM7150ACPZ-3.3-R7 in long-life medical or aerospace applications with >10-year field lifetimes?
The ADM7150ACPZ-3.3-R7 is built on Analog Devices’ high-reliability BiCMOS process and is qualified for extended temperature operation, making it suitable for medical and aerospace applications. However, long-term reliability depends heavily on operating conditions: avoid sustained junction temperatures above 110°C and limit output current to ≤600 mA in harsh environments to minimize electromigration risks. The MSL-3 rating (168 hours floor life) requires proper dry-pack handling if not assembled within 168 hours of exposure. For mission-critical systems, perform accelerated life testing (e.g., HTOL at 125°C) and monitor for parametric drift in output voltage over time.
How should I handle output capacitor selection for the ADM7150ACPZ-3.3-R7 when designing for both stability and transient response in a digital load with pulsed current demands?
For stable operation with the ADM7150ACPZ-3.3-R7, use a 10 µF ceramic capacitor (X5R or X7R) with ESR between 5 mΩ and 50 mΩ at the output. In pulsed-load scenarios (e.g., microcontroller sleep/wake cycles), this capacitor must supply transient current while maintaining voltage regulation. If load steps exceed 300 mA/µs, consider adding a parallel 1 µF ceramic capacitor to improve high-frequency response. Avoid tantalum or aluminum electrolytics—they typically exceed the maximum allowable ESR and can cause oscillation. Always verify stability with a network analyzer or step-load tester, especially if using long PCB traces between the regulator and load.
Can the ADM7150ACPZ-3.3-R7 safely drive capacitive loads greater than 22 µF without compromising stability?
The ADM7150ACPZ-3.3-R7 is stable with output capacitances up to 47 µF, provided the total ESR remains below 50 mΩ. This includes combinations of ceramic capacitors in parallel (e.g., 10 µF + 10 µF + 22 µF). However, large capacitive loads increase inrush current during startup, which may briefly exceed the 800 mA current limit if enabled too quickly. To mitigate this, use a soft-start circuit or ramp the EN pin slowly (≥1 ms rise time). Never connect uncharged capacitors >47 µF directly without evaluating startup behavior, as repeated over-current events can degrade long-term reliability.
What are the implications of using the ADM7150ACPZ-3.3-R7 in a battery-powered system where quiescent current directly impacts standby runtime?
With a quiescent current of 7 mA (typical), the ADM7150ACPZ-3.3-R7 is not optimized for ultra-low-power sleep modes common in IoT or portable devices. While its 800 mA output capability supports high-performance loads, the 7 mA Iq will dominate battery drain during idle periods—often exceeding the load current itself in low-duty-cycle applications. For such cases, consider switching to a low-Iq LDO like the ADP174 or TPS7A02 (Iq < 1 µA). The ADM7150ACPZ-3.3-R7 is better suited for always-on, noise-critical systems (e.g., test equipment, base stations) where performance outweighs standby efficiency.
Does the ADM7150ACPZ-3.3-R7 support reverse-polarity protection, and what external circuitry is needed if the input may be accidentally reversed?
The ADM7150ACPZ-3.3-R7 does not include internal reverse-polarity protection. Applying a negative voltage to the input can damage the device. To protect against accidental reversal, place a Schottky diode (e.g., BAT54S) in series with the input (anode to supply, cathode to IN pin) or use a P-channel MOSFET in a high-side configuration for lower dropout loss. The series diode method reduces available input headroom by ~0.3 V, which must be accounted for in dropout calculations—especially critical near the 3.3 V output with low input voltages. Always verify that the protected input voltage remains above the minimum required (3.5 V typical for 3.3 V output).

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ADM7150ACPZ-3.3-R7

ADM7150ACPZ-3.3-R7

Analog Devices Inc.

IC REG LINEAR 3.3V 800MA 8LFCSP

In Stock: 4444

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