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| LTC3731H_15 Datasheet, PDF (7/34 Pages) Linear Technology – 3-Phase, 600kHz, Synchronous Buck Switching Regulator Controller | |||
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Typical Performance Characteristics
LTC3731H
Shed Mode at 1 Amp, Light Load
Current (Circuit of Figure 14)
Burst Mode at 1 Amp, Light Load
Current (Circuit of Figure 14)
VOUT
AC, 20mV/DIV
VSW1
10V/DIV
VSW2
10V/DIV
VSW3
10V/DIV
VIN = 12V
4µs/DIV
VOUT = 1.5V
VFCB = VCC
FREQUENCY = 225kHz
3731H G20
Continuous Mode at 1 Amp, Light
Load Current (Circuit of Figure 14)
VOUT
AC, 20mV/DIV
VSW1
10V/DIV
VSW2
10V/DIV
VSW3
10V/DIV
VIN = 12V
4µs/DIV
VOUT = 1.5V
VFCB = 0V
FREQUENCY = 225kHz
3731H G22
VOUT
AC, 20mV/DIV
VSW1
10V/DIV
VSW2
10V/DIV
VSW3
10V/DIV
VIN = 12V
4µs/DIV
VOUT = 1.5V
VFCB = OPEN
FREQUENCY = 225kHz
3731H G21
Transient Load Current Response:
0 Amp to 50 Amp
(Circuit of Figure 14)
VOUT
AC, 20mV/DIV
ILOAD
20A/DIV
VIN = 12V
20µs/DIV
VOUT = 1.5V
VFCB = VCC
FREQUENCY = 225kHz
3731H G23
3731Hfb
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