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参数资料
| 型号： | LX1671-CPWTR |
| 厂商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分类： | 稳压器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO38 |
| 封装： | PLASTIC, TSSOP-38 |
| 文件页数： | 17/21页 |
| 文件大小： | 447K |
| 代理商： | LX1671-CPWTR |
Microsemi
Integrated Products, Power Management
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 5
Copyright
2000
Rev. 1.0a, 2004-06-14
WWW
.Microse
m
i
.CO
M
LX1671
Multiple Output LoadSHARE PWM
PRODUCTION DATA SHEET
I N T E GRA T ED
PR ODUC T S
ELECTRICAL CHA RACTERISTICS (CONTINUED)
Unless otherwise specified, the following specifications apply over the operating ambient temperature 0°C
≤ TA ≤ 70°C except where
otherwise noted and the following test conditions: VCC = 5V, VCCL = 5V, VCX = 12V , HOX = LOX = 3000pF Load.
LX1671
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
UVLO AND SOFT-START (SS)
Start-Up Threshold (VCX VCCL )
3.5
4.0
4.5
V
Start-Up Threshold (VCC)
4.0
4.25
4.5
V
Hysteresis
(VCC)
0.1
V
SS Input Resistance
RSS
20
K
SS Shutdown Threshold
VSHDN
0.3
V
Hiccup Mode Duty Cycle
CSS = 0.1
F
10
%
LINEAR REGULATOR CONTROLLER
Voltage Reference Tolerance
VLDFB = 0.8V, COUT = 330F
2
%
Source Current
ILDGD
Vout = 10V
30
ma
Sink Current
ILDGD
Vout = 0.4V
0.2
mA
DISABLE INPUT
Threshold
2
V
LDO Disable
LDDIS
Pulldown Resistance
100
Κ
Note 1 – X = Phase 1, 2, 3
Note 2 – System Specification
EE
LL
EE
CC
TT
RR
IICC
AA
LL
SS
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| LX1672-03CPW-TR | 1 A DUAL SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO28 |
| LX1672-03CLQ-TR | 1 A DUAL SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PQCC38 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LX1671CPW-TR | 制造商:Microsemi Corporation 功能描述:MULTIPLE OUTPUT LOADSHARE PWM - Tape and Reel |
| LX1671EVALKIT | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Switching Regulator |
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| LX1672 EVAL KIT | 制造商:Microsemi Corporation 功能描述:SWITCHING REGULATOR - Bulk |
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