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APW7279

ANPEC
Part Number APW7279
Manufacturer ANPEC
Description PMIC
Published Jan 18, 2017
Detailed Description APW7279 PMIC for LED BL + LCD Bias Power Features General Description • 2.9V to 5.5V Input Supply Range The APW7279...
Datasheet PDF File APW7279 PDF File

APW7279
APW7279

Overview
APW7279 PMIC for LED BL + LCD Bias Power Features General Description • 2.
9V to 5.
5V Input Supply Range The APW7279 integrates with two high-performance step- • Current Mode Step-up Regulator (LCD bias) up converter and two charge pump controllers for TFT- - 1MHz Fixed Operating Frequency LCD and Backlight applications.
Both the two step-up - Fast Transient Response regulators are a current-mode, fixed-frequency PWM - 18V/700mA ,1.
5Ω Internal N-MOS switching regulator.
The 1.
0MHz switching frequency al- • Positive & Negative Charge Pump Driver for VGH, lows the usage of low-profile inductors and ceramic ca- V GL • Current Mode Step-up Regulator (LED BL) pacitors to minimize the thickness of LCD panel designs.
The charge pump controllers provide regulated the gate- - 1MHz Fixed Operating Frequency driver of TFT-LCD VGH and VGL supplies.
The APW7279 is - 0.
2V Feedback Voltage available in a tiny 3mm x 3mm 20-pin TQFN package - 18V/2A, 0.
3Ω internal N-MOS (TQFN3x3-20).
• Control Output for External P-MOS to Support • Completely Disconnecting the Battery • Adjustable Power Sequencing by External Capacitor • Internal Soft-Start • Multiple Overload Protection • Thermal Shutdown • Available in Small Package:TQFN3x3-20 Applications • Tablet PC Simplified Application Circuit VIN VSUP Step-up Step-up Converter Converter For LCD For BL LED+ VGH Positive Charge Pump Negative Charge Pump VGL ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant information to verify before placing orders.
Copyright © ANPEC Electronics Corp.
1 Rev.
A.
3 - Nov.
, 2017 www.
anpec.
com.
tw APW7279 Ordering and Marking Information APW7279 Assembly Material Handling Code Temperature Range Package Code APW7279 QB: APW 7279 XXXXX XXXXX - Date Code Package Code QB: TQFN3x3-20 Operating Ambient Temperature Range I : -40 to 85oC Handling Code TR : Tape ...


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