參數(shù)資料
型號: MAX668
廠商: Maxim Integrated Products, Inc.
英文描述: Quadruple 2-Line To 1-Line Data Selector/Multiplexer With 3-State Outputs 20-LCCC -55 to 125
中文描述: 1.8V至28V輸入、PWM升壓型控制器,µMAX封裝
文件頁數(shù): 4/18頁
文件大小: 326K
代理商: MAX668
M
1.8V to 28V Input, PWM Step-Up
Controllers in μMAX
4
_______________________________________________________________________________________
ns
ns
kHz
%
Minimum SYNC Input-Pulse Duty Cycle
Minimum SYNC Input Low Pulse Width
SYNC Input Rise/Fall Time
SYNC Input Frequency Range
45
200
200
500
Not tested
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= LDO = +5V, R
OSC
= 200k
, T
A
= -40°C to +85°C, unless otherwise noted.)
R
OSC
= 200k
±1%
R
OSC
= 100k
±1%
87
86
93
94
100
2.0
1.8V < V
CC
< 3.0V (MAX669)
SYNC/
SHDN
= 5V
0.30
3.0
V
1.8V < V
CC
< 3.0V (MAX669)
3.0V < V
CC
< 28V
1.5
V
SYNC/
SHDN
= 28V
EXT high or low
6.5
5
μA
EXT On-Resistance
SYNC/
SHDN
Input Current
Note 1:
This is the V
CC
current consumed when active but not switching. Does not include gate-drive current.
Note 2:
Limits at T
A
= -40°C are guaranteed by design.
222
425
85
278
575
115
UNITS
V
mV
V
PARAMETER
CONDITIONS
MIN
1.22
MAX
1.28
-10
1.2
R
OSC
= 200k
±1%
R
OSC
=100k
±1%
R
OSC
= 500k
±1%
%
Maximum Duty Cycle
R
OSC
= 500k
±1%
86
94
kHz
Oscillator Frequency
SYNC/
SHDN
Input High Voltage
3.0V < V
CC
< 28V
SYNC/
SHDN
Input Low Voltage
0.45
REF Output Voltage
REF Load Regulation
REF Undervoltage Lockout Threshold
OSCILLATOR
No load, C
REF
= 0.22μF
REF load = 0 to 50μA
Rising edge, 1% hysteresis
1.0
相關(guān)PDF資料
PDF描述
MAX669 QUADRUPLE 2-INPUT POSITIVE-OR GATES 14-CDIP -55 to 125
MAX668EUB 1.8V to 28V Input, PWM Step-Up Controllers in レMAX
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