MAX17435 查看數據表（PDF） - Maxim Integrated
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MAX17435 Datasheet PDF : 27 Pages
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High-Frequency,
Low-Cost SMBus Chargers
Typical Operating Characteristics (continued)
(Circuit of Figure 1, VIN = 19V, VCC = VDD = 5V, EN = VCC, TA = +25NC, unless otherwise specified.)
5.48
5.46
5.44
5.42
5.40
5.38
5.36
5.34
0
LDO VOLTAGE
vs. LDO CURRENT
10
20
30
40
50
LDO CURRENT (mA)
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
0
VAA DEVIATION, SWITCHING
AND NOT SWITCHING
SWITCHING
NOT SWITCHING
5 10 15 20 25 30
DCIN (V)
VAA vs. TEMPERATURE
4.110
4.105
4.100
4.095
4.090
4.085
4.080
-40 -20
0 20 40 60
TEMPERATURE (NC)
80 100
1000
900
800
700
600
500
400
300
200
100
0
0
FREQUENCY
vs. VBATT AT 4A ICHG
5
10
15
VBATT (V)
POWER-SOURCE SELECTOR SCHEME
WITH BATTERY PRESENT
(ADAPTER REMOVAL)
MAX17435 toc17
VPDSL
5V/div
VADAPTER
5V/div
VSYSLD
5V/div
VBATT
5V/div
20
10ms/div
POWER-SOURCE SELECTOR SCHEME
WITH BATTERY PRESENT
(ADAPTER INSERTION)
MAX17435 toc18
VPDSL
5V/div
VSYSLD
5V/div
VBATT
5V/div
40ms/div
VADAPTER
5V/div
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