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THV1022 Datasheet Preview

THV1022 Datasheet

2ch Buck/Boost Controller

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THV1022-Rev0.05W
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Preliminary
THV1022
2ch Buck/Boost Controller
General Description
THine's new 2ch Buck and Boost controller enables
simple & low cost multi-channel power supply system
design.
Ch-1 is Boost controller, ch-2 is Buck controller.
Both channels are PWM controllers and are designed to
make phase compensation easy for output ceramic
capacitors.
SS_1,2 and SCP pins help to design user defined soft
start time, and timer latch delay time. Utilizing those
pins and XP_GOOD1,P_GOOD2 the ensured sequence
control can be easily set and linked to the external
circuit.
This IC is suitable for power supply system of TFT LCD
bias.
Features
•TSSOP 16Pin package
•Input Voltage range : 4.2 to 20.0V
•Push Pull output for direct Power Mos driving
•Optimized for Ceramic output capacitor
•Complete PWM mode controller
•Adjustable switching frequency 200kH to 800KHz
by external resister
•Timer Latch Protection
•UVLO Function
•Adjustable Soft Start time by external capacitor
•Adjustable Timer Latch Delay time
by external capacitor
•Ch-1 is fixed Boost controller
•Ch-2 is fixed Buck controller
Applications
TFT LCD Bias voltage supply
• General equipment
Pin Assignment
TSSOP 16P
1 RT
2 SGND
VREF
SCP
16
15
3 SS_1
SS_2
14
4 INV_1
INV_2
13
5 FB_1
FB_2
12
6 VCC
OUT_2
11
7 XP_GOOD1 P_GOOD2 10
8 OUT_1
PGND
9
THine Electronics, Inc.


Part Number THV1022
Description 2ch Buck/Boost Controller
Maker THine Electronics
Total Page 1 Pages
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