參數資料
型號: MAX624
廠商: Maxim Integrated Products, Inc.
英文描述: Dual-Output, 1MHz DC-DC Boost Converter for PCMCIA Applications(升壓型,輸出電壓5V/12V/可調,輸出電流200mA的DC-DC變換器)
中文描述: 雙輸出,1MHz的DC - DC升壓轉換器應用為PCMCIA(升壓型,輸出電壓5V/12V /可調,輸出電流200毫安的直流變換器)
文件頁數: 5/16頁
文件大小: 215K
代理商: MAX624
M
Dual-Output, 1MHz DC-DC Boost Converter
for PCMCIA Applic ations
_______________________________________________________________________________________
5
50
0
0
1
3
6
SHUTDOWN CURRENT vs.
INPUT VOLTAGE
10
5
30
35
40
45
M
INPUT VOLTAGE (V)
S
μ
A
2
4
5
25
20
15
T
A
= -25°C
T
A
= +85°C
T
A
= +25°C
800
0
3.0 3.2 3.4
4.0 4.2
5.0
LOAD CURRENT CAPABILITY
vs. INPUT VOLTAGE
200
100
500
600
700
M
INPUT VOLTAGE (V)
L
3.6 3.8
4.4 4.6 4.8
400
300
5V MAIN SMPS
12V AUXILIARY SMPS
____________________________Typic al Operating Charac teristic s (c ontinued)
(Circuit of Figure 1, T
A
= +25°C, unless otherwise noted.)
A: ONA (5V/div) C: I
IN
(200mA/div)
B: 12V AUXILIARY SMPS D: V
SWITCHED
(5V/div) (100mV/div, AC-COUPLED)
START-UP WAVEFORMS (12V AUXILIARY SMPS)
(V
IN
= 3.3V, I
LOAD
= 1.2mA, SHDN = HIGH)
B
A
C
D
100
μ
s/div
A: SHDN (5V/div) C: I
IN
(200mA/div)
B: 5V MAIN SMPS (1V/div) D: V
SWITCHED
(100mV/div,
AC-COUPLED)
START-UP WAVEFORMS (5V MAIN SMPS)
(V
IN
= 3.3V, I
LOAD
= 0A, ONA = LOW)
B
A
C
D
100
μ
s/div
A: V
IN
(5V/div) C: RESET (5V/div)
B: V
SWITCHED
(5V/div) D: I
IN
(50mA/div)
START-UP INRUSH CURRENT (V
= 3.3V)
(I
LOAD
= 5mA, SHDN = ONA = LIN
B
A
C
D
1ms/div
A: V
IN
(5V/div) C: RESET (5V/div)
B: V
SWITCHED
(5V/div) D: I
IN
(50mA/div)
START-UP INRUSH CURRENT (V
IN
= 5V)
(I
LOAD
= 5mA, SHDN = ONA = LOW)
B
A
C
D
1ms/div
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