參數(shù)資料
型號(hào)： MAX859MJA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： 3.3V/5V or Adjustable-Output, Step-Up DC-DC Converters
中文描述： 0.125 A SWITCHING REGULATOR, 500 kHz SWITCHING FREQ-MAX, CDIP8
封裝： CERAMIC, DIP-8
文件頁(yè)數(shù)： 4/12頁(yè)
文件大?。?/td> 126K
代理商： MAX859MJA
M
3.3V /5V or Adjustable-Output,
S tep-Up DC-DC Converters
4
_______________________________________________________________________________________
_____________________________Typic al Operating Charac teristic s (c ontinued)
(Circuits of Figure 2, T
A
= +25°C, unless otherwise noted.)
0.75
0.1
10
MAX856/MAX857
MINIMUM START-UP INPUT VOLTAGE
vs. LOAD CURRENT
M
LOAD CURRENT (mA)
S
0.90
1.10
0.80
1.00
1
100
1.15
1.05
0.95
0.85
V
OUT
= 3.3V
V
OUT
= 5V
0.1
10
MAX858/MAX859
MINIMUM START-UP INPUT VOLTAGE
vs. LOAD CURRENT
M
LOAD CURRENT (mA)
S
0.9
1.3
1.1
1
100
1.4
1.2
1.0
0.8
V
OUT
= 5V
0.8
2.0
SHUTDOWN CURRENT
vs. INPUT VOLTAGE
0.7
M
S
μ
A
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)
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
0.9
1.0
80
2.0
MAX858/MAX859
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
70
M
L
50
1.5
60
2.5
3.0
40
30
20
10
0
3.5
4.0
INPUT VOLTAGE (V)
90
100
1.0
V
OUT
= 5.0V
V
OUT
= 3.3V
400
1.0
MAX856/MAX857
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
350
M
L
250
300
2.0
1.5
2.5
200
150
100
50
0
3.0
3.5
4.0
INPUT VOLTAGE (V)
V
OUT
= 5.0V
V
OUT
= 3.3V
1.6
2.0
QUIESCENT CURRENT
vs. INPUT VOLTAGE
1.4
M
Q
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
T
A
= +85°C
T
A
= -40°C
1.6
2.0
MAX858/MAX859
NOLOAD BATTERY CURRENT
vs. INPUT VOLTAGE
1.4
M
Q
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 T
= +85°C.
CAPS ARE SPRAGUE 595D
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
400
2.0
MAX856/MAX857
NOLOAD BATTERY CURRENT
vs. INPUT VOLTAGE
350
M
Q
μ
A
250
1.5
300
2.5
3.0
200
150
100
50
0
3.5
4.0
INPUT VOLTAGE (V)
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
INCLUDES ALL EXTERNAL
COMPONENT LEAKAGES.
CAPACITOR LEAKAGE
DOMINATES AT T
= +85°C.
CAPS ARE SPRAGUE 595 D
5
0
REFERENCE VOLTAGE vs. CURRENT
6
10
M
REFERENCE LOAD CURRENT (
μ
A)
V
R
8
7
100
200
9
50
150
250
4
3
2
1
0
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