MAX619 查看數據表（PDF） - Maxim Integrated
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MAX619 Datasheet PDF : 7 Pages
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Regulated 5V Charge-Pump
DC-DC Converter
__________________________________________Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
EFFICIENCY vs. OUTPUT CURRENT
AND INPUT VOLTAGE
90
85
VIN = 1.8V
VIN = 3.0V
80
VIN = 2.0V
75
VIN = 3.3V
70
VIN = 3.6V
VIN = 2.4V
65
VIN = 2.7V
60
1
10
100
IOUT (mA)
INPUT CURRENT vs. OUTPUT CURRENT
200
180
160
140
120
100
80
60
40
20
0
0
C
B
A
D
G
F
E
VIN
IOUT
MAX
A 1.8 18
B 2.0 36
C 2.4 41
D 2.7 64
E 3.0 72
F 3.6 94
G 3.3 100
10 20 30 40 50 60 70 80 90 100
IOUT (mA)
NO-LOAD INPUT CURRENT
vs. INPUT VOLTAGE
1000
SHDN = 0V
100
10
1.0
0.1
SHDN = VIN
0.01
1.5 2.0 2.5 3.0 3.5 4.0 4.5
VIN (V)
OUTPUT VOLTAGE vs. OUTPUT CURRENT
5.05
VIN = 3.3V
5.00
V= I3N.6=V 3.6V
4.95
OUTPUT VOLTAGE vs. INPUT VOLTAGE
5.06
5.04
IOUT = 20mA
5.02
EFFICIENCY vs. INPUT VOLTAGE
90
IOUT = 10mA
85
80
4.90
VIN = 1.8V
5.00
75
4.85
VIN = 2.0V
4.98
70
VIN = 2.4V, 2.7V
4.80
VIN = 3.0V
4.96
65
4.75
1
10
IOUT (mA)
4.94
100
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
VIN (V)
60
1.5 2.0 2.5 3.0 3.5 4.0
VIN (V)
LOAD-TRANSIENT RESPONSE
LINE-TRANSIENT RESPONSE (IOUT = 20mA)
2ms/div
TOP TRACE: OUTPUT CURRENT, 0mA to 25mA, 10mA/div
BOTTOM TRACE: OUTPUT VOLTAGE, 5mV/div, AC-COUPLED
2ms/div
RLOAD = 250Ω, VOUT = 5V, IOUT = 20mA
TOP TRACE: VIN = 2V to 3V, 1V/div
BOTTOM TRACE: OUTPUT VOLTAGE, 50mV/div, AC-COUPLED
________________________________________________________________________________________ 3
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