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參數(shù)資料
| 型號： | MAX746MJE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Parallel-Load 8-Bit Shift Registers 16-CDIP -55 to 125 |
| 中文描述： | SWITCHING CONTROLLER, CDIP16 |
| 封裝： | CERDIP-16 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 157K |
| 代理商： | MAX746MJE |
M
High-Effic ienc y, PWM, S tep-Down,
N-Channel DC-DC Controller
_______________________________________________________________________________________
3
Note 1:
Note 2:
The soft-start fault current is the current sink capability of SS when V
REF
< 1V or when the device is in shutdown.
I
SUPP
is the supply current drawn by V+, which includes the current drawn by the charge pump. The charge pump
doubles the current drawn by HIGH from the V+ input, so I
SUPP
= I
V+
+ 2I
HIGH
.
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 10V, I
LOAD
= 0A, I
REF
= 0
μ
A, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
PARAMETER
SHDN Input Leakage Current
SYMBOL
MIN
TYP
MAX
UNITS
LBO Output Voltage Low
V
OL
nA
0.4
V
LBI Threshold Voltage
1.96
2.00
2.04
V
Compensation Pin Impedance
24
k
EXT Source Current
270
mA
LBI Input Leakage Current
nA
LBO Output Leakage Current
1
μ
A
SHDN Input Voltage Low
V
IL
0.4
V
SHDN Input Voltage High
V
IH
2.0
V
EXT Output Low
EXT Output High
V
HIGH
- 0.1
V
0.25
V
EXT Sink Current
160
mA
MAX746E/M
CONDITIONS
SHDN = 10V
I
SINK
= 0.5mA
LBI falling
V
HIGH
= 15V, V
EXT
= 2.5V
LBI = 2.5V
V+ = 15V, LBO = 15V, LBI = 2.5V
V
HIGH
forced to 15V, I
EXT
= -1mA
V
HIGH
forced to 15V, I
EXT
= 1mA
V
HIGH
= 15V, V
EXT
= 12.5V
MAX746C
1.97
2.00
2.03
100
0.1
100
Charge-Pump Output Voltage
Maximum Duty Cycle
91
96
%
V
HIGH
V+ + 4
V+ + 5
V+ + 6
V
V
LIMIT
125
150
175
mV
V+ = 6V
I
HIGH
= 0mA to 10mA
V+ – CS
Current-Sense Amplifier
Current-Limit Threshold
相關PDF資料 |
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|---|---|
| MAX747 | Parallel-Load 8-Bit Shift Registers 16-CFP -55 to 125 |
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| MAX747EPD | Parallel-Load 8-Bit Shift Registers 16-CDIP -55 to 125 |
| MAX747ESD | Parallel-Load 8-Bit Shift Registers 16-CFP -55 to 125 |
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