NJM2890 Ver la hoja de datos (PDF) - Japan Radio Corporation

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Fabricante

NJM2890

2ch LOW DROPOUT VOLTAGE REGULATOR

Japan Radio Corporation  

NJM2890

Preliminary

2ch LOW DROPOUT VOLTAGE REGULATOR

s GENERAL DESCRIPTION

The NJM2890 is a dual low dropout voltage regulator.

Advanced Bipolar technology achieves low noise, high ripple

rejection and low quiescent current.

s PACKAGE OUTLINE

s FEATURES

qHigh Ripple Rejection 70dB typ. (f=1kHz)

qOutput Noise Voltage Vno=30µVrms (Cp=0.01µF)

qOutput capacitor with 1.0uF ceramic capacitor (Vo≥2.7V)

qOutput Current

Io(max.)=150mA × 2ch

qHigh Precision Output Vo±1.0%

qLow Dropout Voltage

0.10V typ. (Io=60mA)

qON/OFF Control

(Active High)

qInternal Short Circuit Current Limit

qInternal Thermal Overload Protection

qBipolar Technology

qPackage Outline

VSP10

NJM2890R

s PIN CONFIGURATION

1

10

2

9

3

8

4

7

5

6

NJM2890R

s EQUIVALENT CIRCUIT

PIN FUNCTION

1. CONTROL1

2. VIN1

3. GND

4. VIN2

5. CONTROL2

6. NOISE BYPASS2

7. VOUT2

8. GND

9. VOUT1

10. NOISE BYPASS1

VIN1/ VIN2

Cont1/Cont2

Thermal

Protection

VOUT1/ VOUT2

Noise Bypass1 /

Noise Bypass2

GND

Bandgap

Reference

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