HV9925SG-G Supertex, HV9925SG-G Datasheet - Page 9

• Manufacturer Part Number: HV9925SG-G
• Description: LED Drivers Programmable Current LED Lamp
• Manufacturer: Supertex

Specifications of HV9925SG-G

• Operating Supply Voltage: 20 V to 400 V
• Maximum Supply Current: 500 uA
• Maximum Power Dissipation: 800 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC N EP
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pin Description
Figure 4. Switching Waveforms. CH1: V
Pin # Function Description
Figure 6. PWM Dimming – Rising Edge. CH4: 10×I
1
2
3
4
5
6
7
8
RSENSE Source terminal of the output switching MOSFET provided for current sense resistor connection.
PWMD
DRAIN
GND
VDD
NC
Common connection for all circuits.
PWM Dimming input to the IC.
Power supply pin for internal control circuits. Bypass this pin with a 0.1uF low impedance capacitor.
No connection.
Drain terminal of the output switching MOSFET and a linear regulator input.
●
1235 Bordeaux Drive, Sunnyvale, CA 94089
RSENSE
, CH2: V
OUT
DRAIN
9
Figure 7. PWM Dimming – Falling Edge. CH4: 10×IOUT
Figure 5. Switch-On Transition – Leading Edge Spike.
●
Tel: [phone]
CH1: VR
SENSE
●
www.supertex.com
, CH2: V
DRAIN
HV9925