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PDF THV1021 Data sheet ( Hoja de datos )
| Número de pieza | THV1021 | |
| Descripción | 2ch Buck/Boost Inverting | |
| Fabricantes | THine Electronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de THV1021 (archivo pdf) en la parte inferior de esta página. Total 1 Páginas | ||
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THV1021-Rev0.05W
www.DataSheet4U.com
Preliminary
THV1021
2ch Buck, Boost and Inverting Controller
General Description
THine's new 2ch Buck/Boost & Inverting controller
enables simple & low cost multi-channel power supply
system design. Ch-1 is selectable Buck/Boost controller,
ch-2 is selectable Inverting / Buck converter.
All channels are PWM controllers and are designed to
make phase compensation easy for output ceramic
capacitors.
SS_1,2, DTC_1,2, and SCP pins help to design user
defined soft start time, dead time and timer latch delay
time. Utilizing those pins and P_GOOD 1,2, 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 and for system board with multi-channel power
supply.
Features
•TSSOP 24Pin package
•Input Voltage range : 4.2 to 18.0V
•Push Pull output for direct Power Mos driving
•Optimized for Ceramic output capacitor
•Complete PWM mode controller
•Adjustable switching frequency 200kHz to 1MHz
by external resister
•Timer Latch Protection
• System UVLO Function
•Adjustable Soft Start time by external capacitor
•Adjustable Timer Latch Delay time
by external capacitor
•Adjustable Dead Time Control by external
resistor
•Ch1 is Buck/Boost controller
•Ch2 is Buck/Inverting controller
Applications
• TFT LCD Bias voltage supply
• TV/monitor set
• General use
Pin Asignment
TSSOP 24P
1 SYSUVLO
2 SCP
VREF
SS_2
24
23
3 RT
SS_VREF 22
4 SGND
5 SS_1
NON_INV_2
INV_2
21
20
6 INV_1
FB_2 19
7 FB_1
DTC_2
18
8 DTC_1
XP_DET 17
9 VCC
OUT_SYS 16
10 SLCT_1
OUT_2
15
11 OUT_1
P_GOOD2
14
12 P_GOOD1
PGND 13
THine Electronics, Inc.
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet THV1021.PDF ] | |
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