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MAX1642C/D Datasheet(PDF) 4 Page - Maxim Integrated Products

Part # MAX1642C/D
Description  High-Efficiency, Step-Up DC-DC Converters for 1V Inputs
PDF  12 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1642C/D Datasheet(HTML) 4 Page - Maxim Integrated Products

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High-Efficiency, Step-Up
DC-DC Converters for 1V Inputs
4
_______________________________________________________________________________________
0.6
0
MINIMUM START-UP INPUT VOLTAGE
vs. OUTPUT CURRENT
0.7
0.8
OUTPUT CURRENT (mA)
12
14
1.2
1.1
1.5
1.4
1.3
0.9
1.0
2
4
6
10
16
1.6
8
L1 = 150
µH
TDK NLC565050T-151K
VOUT = 5V
VOUT = 2.4V, 3.3V
0.6
0
MINIMUM START-UP INPUT VOLTAGE
vs. OUTPUT CURRENT
0.7
0.8
OUTPUT CURRENT (mA)
20
1.2
1.1
1.5
1.4
1.3
0.9
1.0
5
15
25
1.6
10
L1 = 100
µH
SUMIDA CD54-101
VOUT = 5V
VOUT = 2.4V, 3.3V
____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 4, VBATT = 1.2V, R1 + R2 = 1MΩ, TA = +25°C, unless otherwise noted.)
0
0.01
1
10
0.1
100
EFFICIENCY vs. OUTPUT CURRENT
(VOUT = 3.3V)
10
OUTPUT CURRENT (mA)
VIN = 1.6V
L1 = 150
µH
TDK NLC565050T-151K
VIN = 1.2V
VIN = 0.85V
VIN = 1.0V
20
30
40
50
60
70
80
90
100
100
90
80
0
0.01
1
10
0.1
100
EFFICIENCY vs. OUTPUT CURRENT
(VOUT = 5.0V)
20
10
OUTPUT CURRENT (mA)
30
40
50
60
70
VIN = 1.6V
VIN = 0.85V
VIN = 1.0V
L1 = 100
µH
SUMIDA CD54-101
VIN = 1.2V
100
90
80
0
0.01
1
10
0.1
100
EFFICIENCY vs. OUTPUT CURRENT
(VOUT = 5.0V)
20
10
OUTPUT CURRENT (mA)
30
40
50
60
70
VIN = 1.6V
VIN = 0.85V
VIN = 1.0V
L1 = 150
µH
TDK NLC565050T-151K
VIN = 1.2V
10,000
10
0.8
1.0
1.4
1.8
NO-LOAD BATTERY CURRENT
vs. INPUT VOLTAGE
100
1000
INPUT VOLTAGE (V)
1.2
1.6
VOUT = 5.0V
VOUT = 2.5V OR 3.3V
0
-40
NO-LOAD BATTERY CURRENT
vs. TEMPERATURE
20
TEMPERATURE (°C)
60
100
120
80
40
60
-20
40
20
80
100
140
0
VBATT = 1.2V
VOUT = 3.3V
0
-40
BATT AND OUT PIN QUIESCENT CURRENTS
vs. TEMPERATURE
5
TEMPERATURE (°C)
60
20
25
10
15
-20
40
20
80
100
30
0
VBATT = 1.2V
VOUT = 3.6V
IBATT
IOUT



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