ADR390ART-RL7 查看數據表（PDF） - Analog Devices

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ADR390ART-RL7

Precision Low Drift 2.048 V/2.5 V/4.096 V/5.0 V SOT-23 Reference with Shutdown

Analog Devices 

ADR390/ADR391/ADR392/ADR395

R1

4.7k⍀

VIN

U1

SHDN GND

VIN

VOUT (FORCE)

VOUT (SENSE)

ADR39x

Q2

Q2N2222

Q1

Q2N4921

RS

RL

IL

Figure 7. ADR39x for High Power Performance

with Current Limit

A similar circuit function can also be achieved with the Darlington

transistor configuration (see Figure 8).

R1

4.7k⍀

VIN

U1

SHDN GND

VIN

VOUT (FORCE)

VOUT (SENSE)

ADR39x

Q2N2222

Q1

RS

Q2

Q2N4921

RL

Figure 8. ADR39x High Output Current with

Darlington Drive Configuration

–14–

REV. C

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