HV9919DB1 Supertex, HV9919DB1 Datasheet - Page 7

• Manufacturer Part Number: HV9919DB1
• Description: LED Lighting Development Kits SINGLE HI CURR LED DRIVER DEMOBOARD
• Manufacturer: Supertex

Typical Waveforms (2) (120V
Supertex inc.
V
V
RS1
DRAIN
400µs per div
4µs per div
V
REC
V
Drain Voltage and Current Sense Voltages of Stages 1 and 2
DRAIN
Drain Voltage and Voltages at Test Points REC, SN3, SN2
V
GATE
I
LED
V
RS2
V
DRAIN
●
1235 Bordeaux Drive, Sunnyvale, CA 94089
Drain Voltage and LED Current
Drain Voltage and Gate Voltage
RMS
, 40V, 350mA)
40µs per div
40ns per div
VG @ M31
VG @ IC51
7
Recovery of D42
Recovery of D41
V
SN3
Turn-ON
●
Tel: [phone]
Turn-OFF
●
40ns per div
4µs per div
www.supertex.com
V
SN2
HV9931DB2v1
350mA
Recovery of D42
Recovery of D41
AVE