參數(shù)資料
型號(hào)： AN8021SB
廠商： PANASONIC CORP
元件分類： 穩(wěn)壓器
英文描述： AC-DC switching power supply control IC
中文描述： 1 A SWITCHING CONTROLLER, 225 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 0.225 INCH, PLASTIC, SSOP-16
文件頁(yè)數(shù)： 3/16頁(yè)
文件大?。?/td> 141K
代理商： AN8021SB
3
Voltage Regulators
AN8021L, AN8021SB
I
Absolute Maximum Ratings
Parameter
Symbol
Rating
Unit
Supply voltage
V
CC
35
V
OVP terminal allowable application voltage
V
OVP
V
CC
V
CLM terminal allowable application voltage
V
CLM
0.3 to
+
7.0
0.3 to
+
7.0
±
150
±
1 000
5
V
SS terminal allowable application voltage
V
SS
V
Constant output current
I
O
mA
Peak output current
I
OP
mA
IFB terminal allowable application voltage
I
FB
mA
Power dissipation
AN8021L
P
D
658
mW
AN8021SB
340
Operating ambient temperature
*
T
opr
30 to
+
85
55 to
+
150
°
C
°
C
Storage temperature
*
T
stg
I
Recommended Operating Range
Parameter
Symbol
Range
Unit
Timing resistor R
T
R
7
15 to 20
k
Note)*: Expect for the operating ambient temperature and storage temperature, all ratings are for T
a
=
25
°
C.
I
Electrical Characteristics at T
a
=
25
°
C
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Start voltage
V
CC-START
13.0
14.2
15.4
V
Stop voltage
V
CC-STOP
8.5
9.2
9.9
V
Standby bias current
I
CC-STB
V
CC
=
12 V
V
CC
=
34 V
V
CC
=
20 V
V
CC
=
10 V
V
CC
=
18 V
50
70
105
μ
A
Operating bias current
I
CC-OPR
6.4
8.0
9.6
mA
OVP operating bias current 1
I
CC-OVP1
2.4
3.0
3.6
mA
OVP operating bias current 2
I
CC-OVP2
0.44
0.55
0.66
mA
OVP operating threshold voltage
V
TH-OVP
5.4
6.0
6.6
V
OVP release supply voltage
V
CC-OVPC
7.6
8.4
9.2
V
Timer latch charge current
I
CH-TIM
V
CC
=
18 V, R
T
=
19 k
V
CC
=
18 V
V
CC
=
18 V, R
T
=
19 k
V
CC
=
18 V
V
CC
=
12 V, I
O
=
10 mA
V
CC
=
18 V, I
O
=
100 mA
V
CC
=
18 V, I
O
=
100 mA
V
CC
=
18 V
V
CC
=
18 V
V
CC
=
18 V
V
CC
=
18 V
20
0.37
0.5
0.63
20
30
180
200
0.8
1.3
30
40
μ
A
Timer latch start feedback current
I
FB-TIM
mA
Soft-start charge current
I
CH-SS
40
220
μ
A
Overcurrent protection threshold voltage 1
V
TH-CLM1
mV
Pre-start low-level output voltage
V
OL-STB
1.8
V
Low-level output voltage
V
OL
1.8
V
High-level output voltage
V
OH
15.0
16.5
V
Oscillation frequency 1
f
OSC1
175
200
225
kHz
Maximum duty 1
Du
max1
62
66
70
%
Feedback current at 0% duty
I
FB-Dumin
I
FB-Dumax
1.1
0.37
0.5
0.63
1.5
1.9
mA
Feedback current at maximum duty
mA
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