MAX8717 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX8717
Maxim Integrated
MAX8717 Datasheet PDF : 30 Pages
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Interleaved High-Efficiency, Dual Power-Supply
Controllers for Notebook Computers
Typical Operating Characteristics (continued)
(Circuit of Figure 1, VIN = 12V, VDD = VCC = 5V, SKIP_ = GND, FSEL = REF, TA = +25°C, unless otherwise noted.)
STARTUP WAVEFORMS
SHUTDOWN WAVEFORMS
STARTUP WAVEFORMS
MAX8716/17/57 toc18
MAX8716/17/57 toc19
MAX8716/17/57 toc20
12V
A
5V
0
A 3.3V
0
A
0
0
2V
B
5V
C
5V
D
2V
B
0
C
0
B
C
E
5V
D 5V
0
0
F
0
0
E
0
D
0
0
F
0
E
400µs/div
A. LX2, 20V/div
D. REF, 2V/div
B. ON2, 10V/div
E. OUT2, 2V/div
C. PGOOD2, 10V/div
F. ILX2, 2.5AV/div
1.0Ω LOAD ON OUT2
1ms/div
A. DL2, 10V/div
D. REF, 2V/div
B. ON2, 10V/div
E. OUT2, 2V/div
C. PGOOD2, 10V/div
F. ILX2, 2.5AV/div
1.0kΩ LOAD ON OUT2
SKIP2 = GND
1ms/div
A. ON1/ON2, 5V/div
D. OUT2, 2V/div
B. PGOOD1, 10V/div
E. OUT1, 2V/div
C. PGOOD2, 10V/div
VCC UVLO WAVEFORMS
MAX8716/17/57 toc21
5V
5V
A
5V
B
C
5V
0
D
0
E
4ms/div
A. VCC, 2V/div
B. OUT2, 2V/div
C. PGOOD2, 5V/div
D. DL2, 5V/div
E. ILX2, 2.5AV/div
100Ω LOAD ON OUT2
SKIP2 = VCC
STEADY-STATE WAVEFORMS
MAX8716/17/57 toc22
5V
A
12V
0
B
C
3.3V
D
12V
E
0
2µs/div
A. OUT2, 50mV/div
D. OUT1, 50mV/div
B. LX2, 10V/div
E. LX1, 10V/div
C. VIN, 50mV/div
1.0A LOAD ON OUT1, 1.0A LOAD ON OUT2
SKIP1 = VCC, SKIP2 = VCC
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