參數(shù)資料
型號(hào): L5971
廠商: 意法半導(dǎo)體
元件分類(lèi): 基準(zhǔn)電壓源/電流源
英文描述: Isolated Flyback Switching Regulator with 9V Output
中文描述: 隔離反激式開(kāi)關(guān)穩(wěn)壓9V輸出
文件頁(yè)數(shù): 3/11頁(yè)
文件大?。?/td> 96K
代理商: L5971
ELECTRICAL CHARACTERISTICS
(Tj = 25
°
C, Cosc = 2.7nF, Rosc = 20k
, V
CC
= 12V, unless other-
wise specified.) * SpecificationReferedto Tj from 0 to 125
°
C
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
DYNAMICCHARACTERISTIC
V
I
Operating input voltage range
V
o
Output voltage
*
6.5
1.247
1.235
1.21
28
V
V
V
V
V
V
A
%
I
o
= 0.5A
I
o
= 0.2 to 1.5A
V
cc
= 6.5 to 25V
V
cc
= 10V; I
o
= 1.5A
1.26
1.26
1.26
0.44
1.273
1.285
1.31
0.55
0.88
3
*
V
d
Dropout voltage
*
*
I
l
Maximum limiting current
Efficiency
Switching frequency
Supply voltage ripple rejection
V
cc
= 6.5 to 25V
V
o
= 3.3V; I
o
= 1.5A
2
2.5
85
100
f
s
*
90
60
110
KHz
dB
SVRR
V
i
= V
cc
+2V
RMS
; V
o
= V
ref
;
I
o
= 1.5A; f
ripple
= 100Hz
Vcc = 6.5 to 25V
Voltage stability of switching
frequency
Temp. stability of switching
frequency
3
6
%
T
j
= 0 to 125
°
C
4
%
Soft Start
Soft start charge current
Soft start discharge current
30
6
40
10
50
14
μ
A
μ
A
Inhibit
V
LL
I
sLL
Low level voltage
Isource Low level
*
*
0.9
15
V
μ
A
5
THERMAL DATA
Symbol
R
th(j-amb)
Parameter
Minidip
90 (*)
SO16
110 (*)
Unit
°
C/W
Thermal Resistance Junction to ambient
Max.
(*) Package mounted on board.
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
Minidip
V
5
, V
3
V
4
S016
V
11
, V
4
V
5
,V
6
Input voltage
Output DC voltage
Output peak voltage at t = 0.1
μ
s f=200KHz
Maximum output current
30
-1
-5
V
V
V
I
4
I
5
,I
6
int. limit.
14
45
10
6
-0.3
1
0.8
-40 to 150
V
6
-V
5
V
6
V
7
,V
2
V
8
V12-V
11
V
12
V
13
,V
3
V
14
V
V
V
V
V
W
W
°
C
Bootstrap voltage
Analogs input voltage (V
CC
= 12V)
(V
CC
= 20V)
P
tot
Power dissipation a T
amb
60
°
C
Minidip
SO16
T
j
,T
stg
Junction and storagetemperature
L5971
3/11
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