MAX17101 查看數據表（PDF） - Maxim Integrated
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MAX17101 Datasheet PDF : 31 Pages
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Dual Quick-PWM, Step-Down Controller
with Low-Power LDO, RTC Regulator
Typical Operating Characteristics (continued)
(Circuit of Figure 1, VIN = 12V, VDD = VCC = 5V, TON = REF, TA = +25°C, unless otherwise noted.)
SHUTDOWN WAVEFORMS
(SWITCHING REGULATORS)
MAX17101 toc16
5V
0V
A
5V
0V
B
5V
0V
C
0A
D
200μs/div
A. ON1, 5V/div
C. PGOOD1, 2V/div
B. 5V SMPS OUTPUT, D. INDUCTOR CURRENT,
2V/div
5A/div
5V SMPS LOAD TRANSIENT
(PWM MODE)
MAX17101 toc17
3.1A
0A
A
5V
B
0A
C
40μs/div
A. LOAD CURRENT, 2A/div
B. 5V SMPS OUTPUT, 100mV/div
C. INDUCTOR CURRENT, 2A/div
3.3V SMPS LOAD TRANSIENT
MAX17101 toc18
6.5A
0.5A
A
3.3V
B
0A
C
40μs/div
A. LOAD CURRENT, 5A/div
B. 3.3V SMPS OUTPUT, 100mV/div
C. INDUCTOR CURRENT, 5A/div
POWER REMOVAL
(SMPS UVLO RESPONSE)
MAX17101 toc19
7V
A
5V
5V
B
C
5V
D
10ms/div
A. INPUT VOLTAGE, 5V/div C. 5V SMPS, 2V/div
B. 5V LDO OUTPUT, 2V/div D. PGOOD1, 5V/div
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