HT7938
Holtek Semiconductor
483.65kb
High current and performance white led driver. HT7938 is high efficiency boost converter with constant current output to provide backlight in handheld devices. Series connection of
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HT7936A - White LED Step-up Charge Pump Converter
(Holtek Semiconductor)
HT7936A/HT7936B White LED Step-up Charge Pump Converter
Features
· Input voltage range: 2.8V to VOUT · Driving current: 110mA (HT7936A), · Oscillator .
HT7936B - White LED Step-up Charge Pump Converter
(Holtek Semiconductor)
HT7936A/HT7936B White LED Step-up Charge Pump Converter
Features
· Input voltage range: 2.8V to VOUT · Driving current: 110mA (HT7936A), · Oscillator .
HT7937 - Built-in OVP White LED Step-up Converter
(Holtek Semiconductor)
HT7937 Built-in OVP White LED Step-up Converter
Features
· Integrated open-circuit protection · Over voltage protection · Up to 84% efficiency at VIN=.
HT7938A - High Current and Performance White LED Driver
(Holtek Semiconductor)
HT7938A High Current and Performance White LED Driver
Feature
• Efficiency up to 90% at VIN=4.0V, 5S2P, ILED=20mA
• 1.2MHz fixed switching frequency .
HT7939 - High Current and Performance White LED Driver
(Holtek Semiconductor)
HT7939 High Current and Performance White LED Driver
Features
· Input range from 2.6V~5.5V · Built-in Power MOSFET · Can drive up to 39 White LEDs wit.
HT7939A - High Current and Performance White LED Driver
(Holtek Semiconductor)
HT7939A High Current and Performance White LED Driver
Feature
• Input voltage range: 2.6V~5.5V • High efficiency - up to 90% • Integrated N-ch MOSFET.
HT7963 - LED Backlight Driver
(Holtek Semiconductor)
HT7963 LED Backlight Driver
Features
• Integrated high power boost DC-DC controller • Wide input voltage range from 9V to 30V • High Voltage Gate-.
HT7991 - 1MHz Asynchronous Step-up PWM Converter
(Holtek Semiconductor)
HT7991 2.5A Peak Current, 1MHz Asynchronous Step-up PWM Converter
Features
• Input Voltage from 2.6V to 5.5V • Adjustable Output Voltage Up to 12V .
HT7005L - LCD
(HYES Optoelectronics)
APPROVAL
PART NO. DESCRITION LCD MODULE (800 × RGB × 480) REMARKS
HT7005L
* ROHS pliant
CUSTOMER APPLICATION P/N
APPROVED BY
DATE PLEASE KINDL.
HT7017 - High-precision single-phase metering chip
(HiTrendtech)
HT7017
HT7017
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Rev 3.1
HT7017
V2.0
2017-4-20
V3.0
2017-05-27
V3.1 2017-06-14
HT7017, V2.0;: 1. I1 .