參數(shù)資料
型號: L5994A
英文描述: ADJUSTABLE TRIPLE OUTPUT POWER SUPPLY CONTROLLER
中文描述: 可調(diào)三路輸出電源控制器
文件頁數(shù): 5/26頁
文件大?。?/td> 301K
代理商: L5994A
5/26
L5994 - L5994A
V
OL
Output low voltage
HSTRAP = PREG5
I
source
= 10mA;
HSOURCE = GND
0.5
V
LINEAR REGULATOR DRIVER SECTION
I
max
Driver current
VFBLIN < 2.5V
30
mA
V
ref
VFBLIN threshold
VDRLIN = 15V
2.44
2.5
2.56
V
V
DRLIN
Input voltage range
4.5
20
V
I
FBLIN
Bias Current
2
μ
A
V
CP
Input voltage clamp
I
clamp
= 100
μ
A
16
V
“One Shot” activation
threshold (L5994A only)
VDRLIN falling
12.88
13.7
14.52
V
“One Shot” Pulse (L5994A only)
1.5
μ
s
INTERNAL REGULATOR DRIVER SECTION
V
29
VREG5 output voltage
V
in
= 7 to 25V
5.0
5.3
5.5
V
I
29
Totale current capability
V
PREG5
= 5.3V
V
in
= 7V
25
70
mA
V
5SW
Swith-over threshold voltage
V
in
> 7V, V
5SW
fall
4.2
4.53
4.8
V
V
12
Reference voltage
I
load
= 1mA
V
in
= 5 to 20V
I
load
= 1 to 5mA
2.45
2.425
2.5
2.5
2.55
2.575
V
I
12
Source current at reference
voltage
V
12
= Vref-0.3V
15
mA
POWER GOOD AND ENABLE FUNCTION
V
16
,V
11
RUN1, RUN2, enable voltage
High level
2.4
V
V
16
,V
11
RUN1, RUN2, disable voltage
Low level
0.8
V
T
10
Power good delay
CRST=100nF
115
147
180
ms
T
27
,T
30
Shutdown delay time before LS
activation (except for over voltage
fault)
CRST=100nF
115
147
180
ms
CRST timing rate
V
12
= Vref-0.3V
1.47
ms/nF
Power good high level
I
POWEROK
= 40
μ
A
4.1
V
Power good low level
I
POWEROK
= 320
μ
A
0.4
V
SYNCHRONIZATION
V
15
Synchronization pulse width
Fsw = 1MHz
400
ns
Synchronization input voltage
(falling edge)
I
POWEROK
= 320
μ
A
5
V
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
ELECTRICAL CHARACTERISTICS
(continued)
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