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| 型號(hào)： | SG3846N |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | CURRENT MODE PWM CONTROLLER |
| 中文描述： | 0.5 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP16 |
| 封裝： | ROHS COMPLIANT, PLASTIC, DIP-16 |
| 文件頁數(shù)： | 9/10頁 |
| 文件大?。?/td> | 210K |
| 代理商： | SG3846N |
SG1846
4/90 Rev 1.1 2/94
Copyright
1994
L
IN
F
IN
ITY
Microelectronics Inc.
11861 Western Avenue
∞
∞
Garden Grove, CA 92841
(714) 898-8121
∞
FAX: (714) 893-2570
9
APPLICATIONS INFORMATION
(continued)
V
REF
R
1
< 0.8mA
If
< 0.8mA the shutdown latch will commutate
when I
SS
< 0.8mA and a restart cycle will be initiated.
V
REF
R
1
If
> 3mA the device will latch off
until power is recycled.
V
REF
R
1
V
REF
R
1
>3mA (LATCHED OFF)
FIGURE 29 - SHUTDOWN WITHOUT AUTO-RESTART (LATCHED)
FIGURE 28 - SHUTDOWN WITH AUTO-RESTART
FIGURE 26 - PULSE BY PULSE CURRENT LIMITING
FIGURE 27 - SOFT START AND SHUTDOWN/RESTART FUNCTIONS
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