AMG-LL9910B Datasheet, PDF (5/15 Pages) alpha microelectronics gmbh – Universal High Voltage Single Channel LED Driver

AMG-LL9910B
Universal High Voltage Single Channel LED Driver
RS Flip Flop
Enables and disables the gate driver. Set by the oscillator, reset by current limit.
Gate Driver
Drives external MOSFET. Gated by external PWM or enable signal.
Oscillator
Determines PWM frequency.
6. Pinning
PIN#
1
2
3
4
5
6
7
8
EP
Symbol
Vin
CS
GND
Gate
PWMD
Vdd
LD
Rosc
-
Description
Supply input
Current Sense
Ground
Driver output for external MOSFET
PMW dimming input
Linear regulator output
Linear Dimming
Resistor to GND setting Oscillator Frequency
Thermal conductive pad on the bottom. Connect this pad to Ground,
and provide sufficient thermal coupling to remove heat from the
package.
αLL9910
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1
AMG-LL9910B Revision: B
09/13/12
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