参数资料
型号: LX1671CLQ
元件分类: 基准电压源/电流源
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 抗辐射高效,5安培开关稳压器
文件页数: 5/21页
文件大小: 554K
代理商: LX1671CLQ
Microsemi
Integrated Products, Power Management
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 5
Copyright
2000
Rev. 0.5i, 2002-07-17
W
M
.
C
LX1671
Multiple Output LoadSHARE PWM
P
RELIMINARY
I N T E G R A T E D P R O D U C T S
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, the following specifications apply over the operating ambient temperature 0
°
C
T
A
70
°
C except where
otherwise noted and the following test conditions: V
CC
= 5V, V
CCL
= 5V, V
CX
= 12V , HOX = LOX = 3000pF Load.
LX1671
Typ
4.0
4.25
0.1
20
0.3
10
2
0.2
Parameter
Symbol
Test Conditions
Min
3.5
4.0
30
Max
4.5
4.5
Units
!
!
!
UVLO AND SOFT-START (SS)
Start-Up Threshold (V
CX
V
CCL
)
Start-Up Threshold (V
CC
)
Hysteresis
SS Input Resistance
SS Shutdown Threshold
Hiccup Mode Duty Cycle
LINEAR REGULATOR CONTROLLER
Voltage Reference Tolerance
Source Current
Sink Current
DISABLE INPUT
C
SS
= 0.1
μ
F
V
LDFB
= 0.8V, C
OUT
= 330μF
Vout = 10V
Vout = 0.4V
V
V
V
K
V
%
%
ma
mA
(V
CC
)
R
SS
V
SHDN
I
LDGD
I
LDGD
Pulldown Resistance
2
V
Κ
LDO Disable
LDDIS
100
Note 1 – X = Phase 1, 2, 3
Note 2 – System Specification
E
L
E
C
T
R
I
C
A
L
S
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