參數(shù)資料
型號(hào)： MAX786
廠商： Maxim Integrated Products, Inc.
英文描述： Dual-Output Power-Supply Controller for Notebook Computers(具有25μA關(guān)斷的,3.3V/5V筆記本型電腦電源)
中文描述： 雙輸出電源控制器，用于筆記本電腦
文件頁(yè)數(shù)： 4/24頁(yè)
文件大?。?/td> 301K
代理商： MAX786
M
Dual-Output Power-S upply
Controller for Notebook Computers
4
_______________________________________________________________________________________
________________________________________________Typic al Operating Charac teristic s
(Circuit of Figure 1, T
A
= +25°C, unless otherwise noted.)
EFFICIENCY vs. +5V OUTPUT
CURRENT, 300kHz
E
50
60
70
80
90
100
1m
10m
+5V OUTPUT CURRENT (A)
100m
1
10
VIN = 6V
VIN = 15V
VIN = 30V
+3.3V OFF
EFFICIENCY vs. +3.3V OUTPUT
CURRENT, 200kHz
E
50
60
70
80
90
100
1m
10m
+3.3V OUTPUT CURRENT (A)
100m
1
10
VIN = 6V
VIN = 15V
VIN = 30V
SYNC = 0V, +5V ON
EFFICIENCY vs. +3.3V OUTPUT
CURRENT, 300kHz
E
50
60
70
80
90
100
1m
10m
+3.3V OUTPUT CURRENT (A)
100m
1
10
VIN = 6V
VIN = 15V
VIN = 30V
+5V ON
SHUTDOWN SUPPLY CURRENT vs.
SUPPLY VOLTAGE
S
μ
A
0
100
200
300
400
500
0
6
12
18
24
30
SUPPLY VOLTAGE (V)
SHDN = 0V
QUIESCENT SUPPLY CURRENT vs.
SUPPLY VOLTAGE
Q
0
1
2
18
19
0
6
12
18
24
30
SUPPLY VOLTAGE (V)
ON3 = ON5 = HIGH
STANDBY SUPPLY CURRENT vs.
SUPPLY VOLTAGE
S
0
0.5
1.0
1.5
2.0
2.5
0
6
12
18
24
30
ON3 = ON5 = 0V
SUPPLY VOLTAGE (V)
MINIMUM VIN TOVOUT DIFFERENTIAL
vs. +5V OUTPUT CURRENT
M
+5V OUTPUT CURRENT (A)
0
0.2
0.4
0.6
0.8
1.0
1m
10m
100m
1
10
300kHz
200kHz
+5V OUTPUT
STILL REGULATING
EFFICIENCY vs. +5V OUTPUT
CURRENT, 200kHz
E
50
60
70
80
90
100
1m
10m
+5V OUTPUT CURRENT (A)
100m
1
10
VIN = 6V
VIN = 30V
VIN = 15V
SYNC = 0V, +3.3V OFF
1000
0.1
100
μ
10m
1
SWITCHING FREQUENCY vs.
LOAD CURRENT
10
LOAD CURRENT (A)
S
100
1m
100m
SYNC = REF (300kHz)
ON3 = ON5 = 5V
+5V, V
IN
= 7.5V
1
+5V, V
IN
= 30V
+3.3V, V
IN
= 7.5V
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