MAX856CSA Datasheet Download

Part No.:
MAX856CSA
Download:
Download Datasheet
Description:
[3.3V/5V or Adjustable-Output, Step-Up DC-DC Converters]
File Size:
128 K
Page:
12 Pages
Logo:
Manufacturer:
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
PCB Prototype
 MAX856CSA Datasheet Page:1MAX856CSA Datasheet Page:2MAX856CSA Datasheet Page:3MAX856CSA Datasheet Page:5MAX856CSA Datasheet Page:6MAX856CSA Datasheet Page:7MAX856CSA Datasheet Page:8MAX856CSA Datasheet Page:9 
3.3V/5V or Adjustable-Output,
Step-Up DC-DC Converters
MAX856–MAX859
_____________________________Typical Operating Characteristics (continued)
(Circuits of Figure 2, T
A
= +25°C, unless otherwise noted.)
MAX856/MAX857
NO LOAD BATTERY CURRENT
vs. INPUT VOLTAGE
MAX856-08
MAX856-05
REFERENCE VOLTAGE vs. CURRENT
10
9
V
REF
LOAD REGULATION (mV)
8
7
6
5
4
3
2
1
0
0
100
200
50
150
REFERENCE LOAD CURRENT (µA)
250
400
350
QUIESCENT CURRENT (µA)
300
250
200
150
100
50
0
1.5
MAX858/MAX859
NO LOAD BATTERY CURRENT
vs. INPUT VOLTAGE
1.4
QUIESCENT CURRENT (mA)
1.2
1.0
0.8
0.6
0.4
0.2
0
T
A
= -40°C
1.5
2.0
2.5
3.0
3.5
4.0
T
A
= +25°C
T
A
= +85°C
INCLUDES ALL EXTERNAL
COMPONENT LEAKAGES.
CAPACITOR LEAKAGE
DOMINATES AT T
A
= +85°C.
CAPS ARE SPRAGUE 595D
MAX856-09
1.6
T
A
= +85°C
INCLUDES ALL EXTERNAL
COMPONENT LEAKAGES.
CAPACITOR LEAKAGE
DOMINATES AT T
A
= +85°C.
CAPS ARE SPRAGUE 595 D
T
A
= +25°C
T
A
= -40°C
2.0
2.5
3.0
3.5
4.0
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
QUIESCENT CURRENT
vs. INPUT VOLTAGE
MAX856-10
MAX856/MAX857
MINIMUM START-UP INPUT VOLTAGE
vs. LOAD CURRENT
MAX856-06
START-UP INPUT VOLTAGE (V)
START-UP INPUT VOLTAGE (V)
1.4
QUIESCENT CURRENT (mA)
1.2
1.0
0.8
0.6
0.4
0.2
0
T
A
= -40°C
1.5
2.0
2.5
SEE NOTE 2
IN THE ELECTRICAL
CHARACTERISTICS
V
OUT
= 5V
1.10
1.05
1.00
0.95
0.90
0.85
0.80
0.75
V
OUT
= 3.3V
1.3
1.2
V
OUT
= 5V
1.1
1.0
0.9
0.8
T
A
= +85°C
3.0
3.5
4.0
0.1
1
10
100
0.1
1
10
100
INPUT VOLTAGE (V)
LOAD CURRENT (mA)
LOAD CURRENT (mA)
SHUTDOWN CURRENT
vs. INPUT VOLTAGE
MAX856-11
MAX856/MAX857
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
MAX856-13
MAX858/MAX859
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
90
80
LOAD CURRENT (mA)
70
60
50
40
30
20
10
0
MAX856-12
1.0
0.9
SHUTDOWN CURRENT (µA)
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1.5
2.0
2.5
3.0
3.5
T
A
= -40°C
T
A
= +85°C
T
A
= +25°C
400
350
LOAD CURRENT (mA)
300
250
V
OUT
= 3.3V
200
150
100
50
0
V
OUT
= 5.0V
100
V
OUT
= 3.3V
V
OUT
= 5.0V
4.0
1.0
1.5
2.0
2.5
3.0
3.5
4.0
1.0
1.5
2.0
2.5
3.0
3.5
4.0
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
4
_______________________________________________________________________________________
MAX856-07
1.6
1.15
MAX858/MAX859
MINIMUM START-UP INPUT VOLTAGE
vs. LOAD CURRENT
1.4