MAX8569B Просмотр технического описания (PDF) - Maxim Integrated
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MAX8569B Datasheet PDF : 11 Pages
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200mA Step-Up Converters in 6-Pin
SOT23 and TDFN
Typical Operating Characteristics
(Circuit of Figure 2, VOUT = 3.3V, VBATT = +2V, TA = +25°C, circuit of Figure 1, TA = +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
VOUT = 5V
100
95
VIN = 4.2V
90
VIN = 3.3V
VIN = 2.5V
85
80
75
70
65
1
10
100
1000
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
VOUT = 2.5V
100
95
90
85
VIN = 2V
80
75
VIN = 1.5V
70
65
60
1
10
100
1000
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
VOUT = 3.3V
95
VIN = 2.5V
90
VIN = 2V
85
VIN = 1.5V
80
75
70
65
1
10
100
1000
LOAD CURRENT (mA)
MAXIMUM OUTPUT CURRENT
vs. BATTERY VOLTAGE
600
500 VOUT = 2.5V
400
VOUT = 3.3V
300
VOUT = 5V
200
100
0
1.5
2.5
3.5
4.5
5.5
BATTERY VOLTAGE (V)
STARTUP VOLTAGE vs. LOAD RESISTANCE
1.34
1.32
1.30
1.28
1.26
1.24
1.22
1.20
10
100
1k
10k
RLOAD (Ω)
OUTPUT VOLTAGE AND INPUT CURRENT
vs. INPUT VOLTAGE (SHUTDOWN, NO LOAD)
6
6 MAX8569 toc06
5
VOUT
5
4
4
3
3
2
2
1
IBATT
1
0
0
0
1
2
3
4
5
6
BATTERY VOLTAGE (V)
4 _______________________________________________________________________________________
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