HA17451AP Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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производитель

HA17451AP

Regarding the change of names mentioned in the document/ such as Hitachi Electric and Hitachi XX/ to Renesas Technology Corp.

Hitachi -> Renesas Electronics 

Precautions

Precaution concerning inverting (negative voltage) output

Circuit diagram

HA17451AP/HA17451AFP

VIN

HA17451A

VCC

OUT

Vref

INV. INPUT

Iref

R1

R2

Conditions

To prevent leakage current in the IC from interfering

with stable and efficient operation, choose R1 and R 2

Iref

values that satisfy the following condition:

R1 + R2 >

|VOUT| V

18 µA

where, R 1, R 2 : Feedback voltage resistors

|VOUT|: Absolute value of negative output voltage

18 µA: Minimum current with negative voltage

at reference voltage pin; I OR (min)

I OR (min)

–0.2 V

Negative

DC output

– –VOUT

+

18 µA

0V

Vref

13

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