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LTC3443 Просмотр технического описания (PDF) - Linear Technology
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Компоненты Описание
производитель
LTC3443
High Current Micropower 600kHz Synchronous Buck-Boost DC/DC Converter
Linear Technology
LTC3443 Datasheet PDF : 16 Pages
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LTC3443
U
OPERATIO
PV
IN
9
PMOS A
SW1
4
NMOS B
V
OUT
8
V
OUT
PMOS D
SW2
5
NMOS C
3443 F01
Figure 1. Simplified Diagram of Output Switches
75%
D
MAX
BOOST
D
MIN
BOOST
D
MAX
BUCK
A ON, B OFF
PWM CD SWITCHES
BOOST REGION
FOUR SWITCH PWM
BUCK/BOOST REGION
D ON, C OFF
PWM AB SWITCHES
BUCK REGION
0%
DUTY
CYCLE
3443 F02
Figure 2. Switch Control vs Internal Control Voltage, V
CI
3443fa
8
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