HV9925SG-G
ActivePROGRAMMABLE-CURRENT LED LAMP DRIVER W/PWM DIMMING
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HV9925SG-G
ActivePROGRAMMABLE-CURRENT LED LAMP DRIVER W/PWM DIMMING
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Technical Specifications
Parameters and characteristics for this part
| Specification | HV9925SG-G |
|---|---|
| Applications | Lighting |
| Current - Output / Channel | 50 mA |
| Dimming | PWM |
| Internal Switch(s) | True |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Package / Case | 0.154 in |
| Package / Case | 8-SOIC |
| Package / Case | 3.9 mm |
| Supplier Device Package | 8-SOIC-EP |
| Topology | Step-Down (Buck) |
| Type | AC DC Offline Switcher |
| Voltage - Supply (Max) [Max] | 400 V |
| Voltage - Supply (Min) [Min] | 20 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 1.34 | |
| 25 | $ 1.12 | |||
| 100 | $ 1.01 | |||
| Digi-Reel® | 1 | $ 1.34 | ||
| 25 | $ 1.12 | |||
| 100 | $ 1.01 | |||
| Tape & Reel (TR) | 3300 | $ 1.01 | ||
| Microchip Direct | T/R | 1 | $ 1.34 | |
| 25 | $ 1.12 | |||
| 100 | $ 1.01 | |||
| 1000 | $ 0.99 | |||
| 5000 | $ 0.98 | |||
Description
General part information
HV9925 Series
The HV9925 is a pulse width modulated (PWM) high-efficiency LED driver control IC with PWM dimming capabilities. It allows efficient operation of high brightness LED strings from voltage sources ranging up to 400VDC. The HV9925 includes an internal high-voltage switching MOSFET controlled with a fixed off-time (TOFF) of approximately 10.5µs. The LED string is driven at constant current, thus providing constant light output and enhanced reliability. Selecting a value of a current sense resistor can externally program the output LED current of the HV9925.
The peak current control scheme provides good regulation of the output current throughout the universal AC line voltage range of 85 to 264VAC or DC input voltage of 20 to 400V. The HV9925 is designed with a built in thermal shutdown to prevent excessive power dissipation in the IC.
Documents
Technical documentation and resources