HA17451AP/HA17451AFP

13

Precautions

Precaution concerning inverting (negative voltage) output

Conditions

Circuit diagram

R + R >

|V

| V

18

µA

OUT

To prevent leakage current in the IC from interfering

with stable and efficient operation, choose R and R

values that satisfy the following condition:

where, R , R :

|V

|:

18

µA:

Feedback voltage resistors

Absolute value of negative output voltage

Minimum current with negative voltage

at reference voltage pin; I

(min)

OUT

V

IN

V

CC

OUT

–

+

R

R

Vref

Iref

Iref

INV. INPUT

HA17451A

Negative

DC output

I

(min)

OR

–0.2 V

0 V

Vref

OR

18

µA

2

1

12

1

2

12