AMG-LM302 datasheet(13/23 Pages) ALPHA-MICRO

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AMG-LM302

Ballast Controller for Metal Halide Lamps

Symbol Parameter

Conditions

Min

Typ

Max

Unit

36 IPo

Input bias current

-1

µA

37 AV

Voltage gain

Open loop

38 ICP_L

Pos. current capability

VCP=2.5V; VPo=3.25V

39 ICP_H

Neg. current capability

VCP=2.5V; VPo=1.75V

-2

40 VCP_H

Upper output voltage limit

ICP=-0.5mA

V5V-

1.0

41 VCP_L

Lower output voltage limit

ICP=0.5mA

1.0

SUBSECTION: Zero current detector (ZCD)

42 VZCD_CLH Upper clamp voltage

IZCD=3mA

3.2

4.5

43 VZCD_CLL Lower clamp voltage

IZCD=-3mA

0.5

1.7

44 VZCD_th

ZCD threshold

2.5

45 IZCD_C

Pos. current capability

46 IZCD_C

Neg. current capability

-10

SUBSECTION: PFC driver

47 VDRV_H

Driver output high drop voltage

related to V15V

IDRV=-20mA

0.5

48 VDRV_H

Driver output high drop voltage

related to V15V

IDRV=-200mA

2.0

49 VDRV_L

Driver output low voltage

IDRV=20mA

0.3

50 VDRV_L

Driver output low voltage

IDRV=200mA

1.5

51 IDRV_pk

Driver peak current

2.2nF from DRV to

PGND

400

51 IDRV_dis

Disable driver current

VEN=0V or VS=7V;

VDRV=1V

SECTION: HID controller (HID)

SUBSECTION: Lamp voltage V/I convert

52 Vouti_OV

Overvoltage threshold

3.45

53 Vouti_bst

Ignition try threshold (burst)

2.9

54 Vouti_ign

Ignition OK threshold

1.8

55 Vouti_bu

Upper break voltage

1.8

56 Vouti_bd

Lower break voltage

0.5

57 IVOUTi

Input current

-1

µA

SUBSECTION: Lamp current V/I convert

58 VIouti

Constant regulation

625

59 IIouti

Iouti input current

-1

µA

SUBSECTION: Oscillator

60 ICOP_up

Pull_up current

VCOP=1V

-70

µA

AMG-LM302

Revision: A

29. Jul. 2010

Page 13 of 23

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