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LCD/LED控制驱动

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