MAX1624-MAX1625 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX1624-MAX1625
Maxim Integrated
MAX1624-MAX1625 Datasheet PDF : 24 Pages
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High-Speed Step-Down Controllers with
Synchronous Rectification for CPU Power
____________________________Typical Operating Characteristics (continued)
(TA = +25°C, using the MAX1624 evaluation kit, unless otherwise noted.)
MAX1624
LOAD-TRANSIENT RESPONSE
(WITH GLITCHCATCHER)
(3.5V)
LG = REF
A
MAX1624
SWITCHING WAVEFORMS
A
MAX1624
STARTUP AND STANDBY RESPONSE
A
B
C
10µs/div
A: VOUT, 100mV/div, AC COUPLED
B: INDUCTOR CURRENT, 10A/div
C: LOAD CURRENT, 0A TO 11A, tRISE = tFALL = 100ns
B
C
1µs/div
VIN = 5V, VOUT = 2.5V, LOAD = 5A
A: LX, 5V/div
B: VOUT, 20mV/div, AC COUPLED
C: INDUCTOR CURRENT, 5A/div
B
0
C
1ms/div
VIN = 5V, VOUT = 2.5V, LOAD = 13.8A
A: VOUT, 1V/div
B: INDUCTOR CURRENT, 10A/div
C: STANDBY, D0–D4
MAX1624
EFFICIENCY vs. OUTPUT CURRENT
(VOUT = 1.1V)
100
90
80
70
60
50
40
30
20
10
0
0.1
1
10
OUTPUT CURRENT (A)
MAX1624
EFFICIENCY vs. OUTPUT CURRENT
(VOUT = 2.5V)
100
90
80
70
60
50
40
30
20
10
0
0.1
1
10
OUTPUT CURRENT (A)
MAX1624
EFFICIENCY vs. OUTPUT CURRENT
(VOUT = 3.5V)
100
90
80
70
60
50
40
30
20
10
0
0.1
1
10
OUTPUT CURRENT (A)
6 _______________________________________________________________________________________
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