MAX8704 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX8704
Maxim Integrated
MAX8704 Datasheet PDF : 13 Pages
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High-Current, Low-Voltage Linear Regulator
with Power-Limited, External MOSFET
Typical Operating Characteristics (continued)
(Circuit of Figure 1, VOUT = 1.5V, TA = +25°C, unless otherwise noted.)
PLIM VOLTAGE
vs. INPUT VOLTAGE
1.5
1.2 OUTPUT SHORT
0.9
1A LOAD
0.6
0.3
0
1
10mA LOAD
2
3
4
5
INPUT VOLTAGE (V)
5V BIAS SUPPLY CURRENT
vs. INPUT VOLTAGE
5
1A LOAD
4
3
2
POWER LIMIT
1
DROPOUT
0
1
2
3
4
5
INPUT VOLTAGE (V)
MOSFET POWER DISSIPATION
vs. DRAIN-TO-SOURCE VOLTAGE
2.5
2.0
1A LOAD
1.5
OUTPUT SHORT
1.0
0.5
0
1
2
3
4
5
VDS (V)
OUTPUT CURRENT LIMIT
vs. SS/EN VOLTAGE
6
SOFT-START
(CSS = 10nF)
MAX8704 toc08
5
2V
1V
A
4
0
1.5V
3
B
2
0
1A
1
C
0
0
0 0.5 1.0 1.5 2.0 2.5 3.0
SS/EN VOLTAGE (V)
200µs/div
A. EN/SS, 1V/div
C. FET CURRENT, 1A/div
B. LDO OUTPUT, 1V/div
1.5Ω LOAD, VIN = 1.8V
SHUTDOWN SEQUENCE
(NO LOAD)
MAX8704 toc09
5V
A
0
5V
B
0
1.5V
C
0
1A
0
D
1ms/div
A. PGOOD, 5V/div
C. LDO OUTPUT, 1V/div
B. EN/SS, 5V/div
D. FET CURRENT, 2A/div
NO LOAD, CSS = 1nF, VIN = 1.8V
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