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TS1935B Datasheet(PDF) 3 Page - Taiwan Semiconductor Company, Ltd

Part # TS1935B
Description  1.9A / 1.2MHz Boost DC to Dc Converter
PDF  6 Pages
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Manufacturer  TSC [Taiwan Semiconductor Company, Ltd]
Direct Link  http://www.taiwansemi.com
Logo TSC - Taiwan Semiconductor Company, Ltd

TS1935B Datasheet(HTML) 3 Page - Taiwan Semiconductor Company, Ltd

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Preliminary
TS1935B
1.9A / 1.2MHz Boost DC to Dc Converter
3/6
Version: Preliminary
Block Diagram
VCC
SW
Control and
Driver Logic
EN
Soft
Start
Current
Sense
Slope
Compensation
Oscillator
1.2MHz
FB
Error
Amplifier
Summing
Comparator
Thermal
Shutdown
Enable/
Disable
GND
N-MOS
UVLO
Vref
1.238V
Application Circuit
R1
54K
VIN=5V
C1
10uF
L1
4.7uH
R2
470K
VOUT=12V
U1
AX5511
4
5
3
1
VCC
EN
FB
GND
SW
C3
1nF
C2
4.7uF
D1
B240A
R2 Suggest 390K~820K
ON
OFF
2
R3
R4
1M
R1
R2
VOUT = 1.238V X (1 + ------- )
VIN
VOUT
R3
2.6~3.6V
5V
120K
2.6~5.3V
7V
82K
2.6~5.5V
7.5~27V
0
TS1935B



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