H-BRIDGE

GND-P

COIL

N.C.

OUT1-A

SLEEP

OUTK-A

INA(inv)

INA(not inv)

INB(not inv)

INB(inv)

OUTK-B

V512-AP

OUT1-B

LIN/BANG

RC comp

HVM

HVP

1

3

2

4

5

6

7

8

9

22

21

20

19

18

16

17

15

23

10

24

V-SHIFTED

DC2ref

D98IN969

Vin 0-5

Iref

11

14

13

12

GND-A

Vref

PIN CONNECTION (SO24)

PIN FUNCTIONS (SO24)

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

N.C.

5

OUT1-A

Output ampl.A.

6

OUTK-A

Hi current output ampl.A.

7

SLEEP

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

8

INA (inv)

Inverting input of A-amplifier.

9

INA (not inv)

Non Inverting input of A-amplifier.

10

V-SHIFTED

Analog level shifter output Vin-Vref (-2.5 to +2.5 dynamic range)

11

Vin 0-5

Input positive voltage

12

GND-A

Analog ground.

13

Precise 2.5V reference voltage.

14

External resistor for precise internal current reference.

15

DC2ref

Reference voltage for DC-DC converter X20.

16

INB (not inv)

Non Inverting input of B-amplifier.

17

INB (inv)

Inverting input of B-amplifier.

18

OUTK-B

Hi current output ampl.B.

19

OUT1-B

Output ampl.B.

20

V512-AP

Analog&Power voltage supply 5 to 12V.

21

LIN/BANG

Linear or Bang-bang select pin (V512 = BANG 0 = Linear)

22

RC comp

DC-DC converter compensation network.

23

HVM

Negative High voltage generated op amp supplier.

24

HVP

Positive High voltage generated op amp supplier.

L6270 - L6271

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