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MAX858C/D Datasheet(PDF) 4 Page - Maxim Integrated Products

Part # MAX858C/D
Description  3.3V/5V or Adjustable-Output, Step-Up DC-DC Converters
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

MAX858C/D Datasheet(HTML) 4 Page - Maxim Integrated Products

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3.3V/5V or Adjustable-Output,
Step-Up DC-DC Converters
4
_______________________________________________________________________________________
_____________________________Typical Operating Characteristics (continued)
(Circuits of Figure 2, TA = +25°C, unless otherwise noted.)
0.75
0.1
10
MAX856/MAX857
MINIMUM START-UP INPUT VOLTAGE
vs. LOAD CURRENT
LOAD CURRENT (mA)
0.90
1.10
0.80
1.00
1
100
1.15
1.05
0.95
0.85
VOUT = 3.3V
VOUT = 5V
0.1
10
MAX858/MAX859
MINIMUM START-UP INPUT VOLTAGE
vs. LOAD CURRENT
LOAD CURRENT (mA)
0.9
1.3
1.1
1
100
1.4
1.2
1.0
0.8
VOUT = 5V
0.8
2.0
SHUTDOWN CURRENT
vs. INPUT VOLTAGE
0.7
0.5
1.5
0.6
2.5
3.0
0.4
0.3
0.2
0.1
0
3.5
4.0
INPUT VOLTAGE (V)
TA = +85°C
TA = +25°C
TA = -40°C
0.9
1.0
80
2.0
MAX858/MAX859
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
70
50
1.5
60
2.5
3.0
40
30
20
10
0
3.5
4.0
INPUT VOLTAGE (V)
90
100
1.0
VOUT = 5.0V
VOUT = 3.3V
400
1.0
MAX856/MAX857
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
350
250
300
2.0
1.5
2.5
200
150
100
50
0
3.0
3.5
4.0
INPUT VOLTAGE (V)
VOUT = 5.0V
VOUT = 3.3V
1.6
2.0
QUIESCENT CURRENT
vs. INPUT VOLTAGE
1.4
1.0
1.5
1.2
2.5
3.0
0.8
0.6
0.4
0.2
0
3.5
4.0
INPUT VOLTAGE (V)
SEE NOTE 2
IN THE ELECTRICAL
CHARACTERISTICS
TA = +85°C
TA = -40°C
1.6
2.0
MAX858/MAX859
NO LOAD BATTERY CURRENT
vs. INPUT VOLTAGE
1.4
1.0
1.5
1.2
2.5
3.0
0.8
0.6
0.4
0.2
0
3.5
4.0
INPUT VOLTAGE (V)
INCLUDES ALL EXTERNAL
COMPONENT LEAKAGES.
CAPACITOR LEAKAGE
DOMINATES AT TA = +85°C.
CAPS ARE SPRAGUE 595D
TA = +85°C
TA = +25°C
TA = -40°C
400
2.0
MAX856/MAX857
NO LOAD BATTERY CURRENT
vs. INPUT VOLTAGE
350
250
1.5
300
2.5
3.0
200
150
100
50
0
3.5
4.0
INPUT VOLTAGE (V)
TA = +85°C
TA = +25°C
TA = -40°C
INCLUDES ALL EXTERNAL
COMPONENT LEAKAGES.
CAPACITOR LEAKAGE
DOMINATES AT TA = +85°C.
CAPS ARE SPRAGUE 595 D
5
0
REFERENCE VOLTAGE vs. CURRENT
6
10
REFERENCE LOAD CURRENT (
µA)
8
7
100
200
9
50
150
250
4
3
2
1
0



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