ADM7170ACPZ-3.3 LDO Voltage Regulators 0.5A Hi PSRR FT LDO 3.3Vo

Short Description:

Manufacturers: Analog Devices, Inc.
Product Category: PMIC – Voltage Regulators – Linear
Data Sheet: ADM7170ACPZ-3.3-R7
Description: IC REG LINEAR 3.3V 500MA 8LFCSP
RoHS status: RoHS Compliant


Product Detail

Features

Applications

Product Tags

♠ Product Description

Product Attribute Attribute Value
Manufacturer: Analog Devices Inc.
Product Category: LDO Voltage Regulators
Mounting Style: SMD/SMT
Output Voltage: 3.3 V
Output Current: 500 mA
Number of Outputs: 1 Output
Polarity: Positive
Quiescent Current: 700 uA
Input Voltage, Min: 2.3 V
Input Voltage, Max: 6.5 V
PSRR / Ripple Rejection - Typ: 60 dB
Output Type: Fixed
Minimum Operating Temperature: - 40 C
Maximum Operating Temperature: + 125 C
Dropout Voltage: 42 mV
Series: ADM7170
Packaging: Reel
Packaging: Cut Tape
Packaging: MouseReel
Brand: Analog Devices
Development Kit: ADM7170CP-EVALZ
Dropout Voltage - Max: 70 mV
Height: 0.75 mm
Length: 3 mm
Line Regulation: 0.1 %/V
Load Regulation: 0.1 %/A
Moisture Sensitive: Yes
Operating Supply Current: 3 mA
Output Voltage Range: -
Product: LDO Voltage Regulators
Product Type: LDO Voltage Regulators
Factory Pack Quantity: 1500
Subcategory: PMIC - Power Management ICs
Type: CMOS
Voltage Regulation Accuracy: 1.25 %
Width: 3 mm
Unit Weight: 0.001545 oz

♠ 6.5 V, 500 mA, Ultralow Noise, High PSRR, Fast Transient Response CMOS LDO

The ADM7170 is a CMOS, low dropout linear regulator (LDO) that operates from 2.3 V to 6.5 V and provides up to 500 mA of output current. This high output current LDO is ideal for regulation of high performance analog and mixed signal circuits operating from 6 V down to 1.2 V rails. Using an advanced proprietary architecture, the device provides high power supply rejection and low noise, and achieves excellent line and load transient response with just a small 4.7 µF ceramic output capacitor. Load transient response is typically 1.5 μs for a 1 mA
to 500 mA load step.

The ADM7170 is available in 17 fixed output voltage options. The following voltages are available from stock: 1.3 V, 1.8 V, 2.5 V, 3.0 V, 3.3 V, 4.2 V, and 5.0 V. Additional voltages that are available by special order are: 1.5 V, 1.85 V, 2.0 V, 2.2 V, 2.7 V, 2.75 V, 2.8 V, 2.85 V, 3.8 V, and 4.6 V. An adjustable version is also available that allows output voltages that range from 1.2 V to VIN − VDO with an external feedback divider.

Inrush current can be controlled by adjusting the start-up time via the soft start pin. The typical start-up time with a 1 nF soft start capacitor is about 1.0 ms.

The ADM7170 regulator output noise is 5 μV rms independent of the output voltage. The ADM7170 is available in an 8-lead, 3 mm × 3 mm LFCSP, making it not only a very compact solution, but also providing excellent thermal performance for applications requiring up to 500 mA of output current in a small, low profile footprint.


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    • Input voltage range: 2.3 V to 6.5 V
    • Maximum load current: 500 mA
    • Low noise: 5 µV rms independent of output voltage at
    • 100 Hz to 100 kHz
    • Fast transient response: 1.5 μs for 1 mA to 500 mA load step
    • 60 dB PSRR at 100 kHz
    • Low dropout voltage: 42 mV at 500 mA load, VOUT = 3 V
    • Initial accuracy: ±0.75%
    • Accuracy over line, load, and temperature: ±1.25%
    • Quiescent current, IGND = 0.7 mA at no load
    • Low shutdown current: 0.25 μA at VIN = 5 V
    • Stable with small 4.7 µF ceramic output capacitor
    • Adjustable and fixed output voltage options: 1.2 V to 5.0 V
    • Adjustable output from 1.2 V to VIN − VDO
    • Precision enable
    • Adjustable soft start
    • 8-lead, 3 mm × 3 mm LFCSP package
    • Supported by ADIsimPower tool
    • Regulation to noise sensitive applications: ADC and DAC circuits, precision amplifiers, PLLs/VCOs, and clocking ICs
    • Communications and infrastructure
    • Medical and healthcare
    • Industrial and instrumentation

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