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| LTC3829 Datasheet, PDF (6/40 Pages) Linear Technology – 3-Phase, Single Output Synchronous Step-Down DC/DC Controller with Diffamp | |||
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LTC3829
Typical Performance Characteristics
Load Step-Up (0A to 75A, 75A/µs)
(Nonlinear Operation)
Load Step-Up (0A to 75A, 75A/µs)
(Normal Operation)
VOUT
100mV/DIV
AC-COUPLED
VSW1
10V/DIV
VSW2
10V/DIV
VSW3
10V/DIV
75mV
2µs/DIV
3829 G01
Phase Shedding Transition
VOUT
100mV/DIV
AC-COUPLED
VSW1
10V/DIV
VSW2
10V/DIV
VSW3
10V/DIV
95mV
2µs/DIV
3829 G02
Phase Shedding Transition
VSW1
10V/DIV
VSW2
10V/DIV
VSW3
10V/DIV
VIN = 12V
2µs/DIV
Prebiased Output at 2V
3829 G03
VOUT
1V/DIV
VFB
500mV/DIV
TK/SS
500mV/DIV
VIN = 12V
VOUT = 3.3V
2ms/DIV
3829 G05
VSW1
10V/DIV
VSW2
10V/DIV
VSW3
10V/DIV
VIN = 12V
2µs/DIV
3829 G04
Coincident Tracking
RUN
2V/DIV
VOUT1 = 3.3V
VOUT2 = 1.5V
1V/DIV
VOUT1
VOUT2
VIN = 12V
NO LOAD
2ms/DIV
3829 G06
3829f
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