MAX1773(2017) 查看數據表（PDF） - Maxim Integrated
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MAX1773 Datasheet PDF : 20 Pages
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MAX1773/MAX1773A
Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
Power Source Selector for
Dual-Battery Systems
VDD ERROR vs. INPUT VOLTAGE
VDD ERROR vs. IDD
0.04
0
VIN = VACDET, BAT_ = OPEN
0
-1
-0.04
-2
-0.08
VIN = VBAT_, VACDET = 3.3V
-0.12
-3
5
10
15
20
25 30
0.01
0.1
1
10
VIN (V)
IDD (mA)
VDD ERROR vs. TEMPERATURE
0.5
0
-0.5
IDD = 5µA
-1.0
IDD = 1mA
-1.5
-2.0
-2.5
-40 -15
10
35
60
85
TEMPERATURE (°C)
BATTERY CURRENT vs. BATTERY VOLTAGE
(VACDET = 20V)
10
VBATB
TRANSITION FROM
BATTERY A TO BATTERY B (MINV)
(IEXTLD = 1A, CEXTLD = 66µF)
MAX1773-05 15V
TRANSITION FROM
BATTERY A TO BATTERY B (MINV)
(IEXTLD = 1A, CEXTLD = 66µF)
MAX1773-06
5V
8
5V
VCOMA
0
15V
10V
6
VEXTLD
VDISA
0
4
5V
VCOMB
10V
VBATA
12V
0
2
5 5 VMINV VDISB
5V
0
0
4
8
12
16
20
2V
100µs/div
0
5µs/div
VBATTERY_ (V)
VBATA = 12V, BATTERY A REMOVED AT 100µs
VBATB = 10.75V
VMINV = 1.4V
VBATA = 12V
VBATB = 10.75V
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