参数资料
型号: LX1671-CLQTR
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, PQCC38
封装: 5 x 7 MM, PLASTIC, MLPQ-38
文件页数: 17/21页
文件大小: 447K
代理商: LX1671-CLQTR
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
相关PDF资料
PDF描述
LX1672-06CLQ-TR 1 A DUAL SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PQCC38
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
LX1673-06CLQT 1 A SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PQCC20
LX1673-03CLQT 1 A SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PQCC20
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