White LED Backlight Driver
| Part No. | Input Voltage |
Output Current (mA) |
Switching Frequency (kHz) |
Efficiency |
Typical OVP (V) |
Accuracy |
Max. LED |
PWM Dimming Frequency |
Power Element |
Backlight Type |
Protections | Package |
| HT7938A | 2.6V~5.5V | 200 | 1200 | 90% | 39 | 300mV±5% | 10 |
100Hz~ 200kHz |
Internal | Parallel / Series |
UVLO, OVP, OCP, OTP |
SOT23-6 |
| HT7939 | 2.6V~5.5V | 260 | 1200 | 90% | 32 | 200mV±5% | 39 |
100Hz~ 200kHz |
Internal | Parallel / Series |
UVLO, OVP, OCP, OTP |
SOT23-6 |
| HT7939A-1 | ||||||||||||
| HT7939A-2 | ||||||||||||
| HT7963 | 9.0V~30V | 1200 | 200 | 90% | Adjustable | 300mV±3% | -- | 100Hz~1KHz | External | Parallel / Series |
UVLO, OVP, OCP, OTP, Soft-Start, LED open, LED short,OSP |
8SOP |
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