H-BRIDGE

GND-P

COIL

OUT1-A

OUTK-A

INA(inv)

SLEEP

INA(not inv)

GND-A

DC2ref

INB(not inv)

INB(inv)

OUT1-B

OUTK-B

V512-AP

RC comp

HVM

HVP

1

3

2

4

5

6

7

8

9

18

17

16

15

14

12

13

11

19

10

20

Vref

Iref

D98IN968

PIN CONNECTION (SO20)

PIN FUNCTIONS (SO20)

N.

Name

Description

1

H-BRIDGE

40V Half Bridge output for negative charge pump.

2

GND-P

Power ground.

3

COIL

Coil for positive step up.

4

OUT1-A

Output ampl.A.

5

OUTK-A

Hi current output ampl.A.

6

SLEEP

Sleep mode for stand-by condition (1=SLEEP 0=operative).

7

INA (inv)

Inverting input of A-amplifier.

8

INA (not inv)

Non Inverting input of A-amplifier.

9

GND-A

Analog ground.

10

Precise 2.5V reference voltage.

11

External resistor for precise internal current reference.

12

DC2ref

Reference voltage for DC-DC converter X20.

13

INB (not inv)

Non Inverting input of B-amplifier.

14

INB (inv)

Inverting input of B-amplifier.

15

OUTK-B

Hi current output ampl.B.

16

OUT1-B

Output ampl.B.

17

V512-AP

Analog&Power voltage supply 5 to 12V.

18

RC comp

DC-DC converter compensation network.

19

HVM

Negative High voltage generated op amp supplier.

20

HVP

Positive High voltage generated op amp supplier.

L6270 - L6271

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