NCV47821

LDO Regulator, 200 mA, Low Dropout, High PSRR

Overview

The NCV47821 dual channel LDO regulator with 200 mA per channel is designed for use in harsh automotive environments. The device has a high peak input voltage tolerance and reverse input voltage, reverse bias, overcurrent and overtemperature protections. The integrated current sense feature (adjustable by resistor connected to CSO pin for each channel) provides diagnosis and system protection functionality. The CSO pin output current creates voltage drop across CSO resistor which is proportional to output current of each channel. Extended diagnostic features in OFF state are also available and controlled by dedicated input and output pins.

Applications

Audio and Infotainment System
Active Safety System
Satellite Radio
Navigation
Instrument Cluster

End Products

Automotive

Features

Two Independent Enable Inputs (3.3 V Logic Compatible)
Adjustable Current Limits: up to 300 mA
Diagnostic Features:Short to Battery and Open Load detection in OFF StateInternal Components for OFF State DiagnosticsOpen Collector Flag Output
Adjustable Outputs: 3.3 V to 20 V ±3% Output Voltage
Output Current per Channel: up to 200 mA
Protection: Current Limitation, Thermal Shutdown, Reverse Input Voltage

Material Composition

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Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

Output

Polarity

V_O (V)

I_O Typ (A)

V_I Min (V)

V_I Max (V)

V_DO Typ (V)

I_q Typ (mA)

PSRR (dB)

Noise (µV_rms)

Enable

PowerGood

Application

Reference Price

NCV47821PAAJR2G

Active

TSSOP-14 EP

948AW

260

REEL

2500

Dual

Positive

Adj

0.2

-42

0.25

0.6

137

Yes

Automotive

$0.9592

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Linear Regulators (LDO) | NCV47821

LDO Regulator, 200 mA, Low Dropout, High PSRR

Overview

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