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參數(shù)資料
| 型號(hào)： | AN8027 |
| 廠商： | PANASONIC CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | AC-DC switching power supply control IC with standby mode |
| 中文描述： | 1 A SWITCHING CONTROLLER, 80 kHz SWITCHING FREQ-MAX, PSIP9 |
| 封裝： | PLASTIC, SIP-9 |
| 文件頁(yè)數(shù)： | 3/28頁(yè) |
| 文件大?。?/td> | 301K |
| 代理商： | AN8027 |
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3
Voltage Regulators
AN8027, AN8037
I
Electrical Characteristics at V
CC
=
18 V, T
a
=
25
°
C
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Low voltage protection (U.V.L.O.) V
CC-START
initial startup supply voltage
13.4
14.9
16.4
V
Low voltage protection (U.V.L.O.) V
CC-STOP
operation stop supply voltage
7.7
8.6
9.5
V
Overvoltage protection (OVP)
operating supply voltage
V
CC-OVP
19.4
20.5
21.6
V
Overvoltage protection (SD)
operating threshold voltage
V
TH1-SD
3.5
3.9
4.3
V
Overvoltage protection (SD)
reset threshold voltage
V
TH2-SD
0.4
0.8
1.2
V
Remote (RM) operating
threshold voltage
V
TH1-RM
0.05
0.15
0.3
V
Shutdown (SD) standby voltage
V
STB-SD
V
CC-OVPC
SD pin
=
Open
1.0
1.5
2.0
V
Overvoltage protection (OVP)
reset supply voltage
7.3
8.1
8.9
V
Remote (RM) operating time
circuit current
I
CC-RM
V
CC
=
18 V, V
SD
=
0 V
3.0
4.0
5.0
mA
Overvoltage protection (SD)
operating time circuit current 1
I
CC1-SD
V
CC
=
10 V, V
SD
=
4.3 V
→
Open
1.2
1.5
1.8
mA
Overvoltage protection (SD)
operating time circuit current 2
I
CC2-SD
V
CC
=
18 V, V
SD
=
4.3 V
→
Open
3.6
4.5
5.4
mA
Timer latch (SD) charge current 1
I
SD1-TIM
FB pin
=
Open, I
TR
=
270
μ
A
FB pin
=
Open, I
TR
=
1.64 mA
I
TR
=
1 mA, R
OCP
=
30 k
68
102
136
μ
A
μ
A
Timer latch (SD) charge current 2
I
SD2-TIM
I
FB-TIM
179
267
355
Timer latch (SD) start feedback
current
0.95
0.75
0.55
mA
Transformer reset detection (TR)
threshold voltage
V
TH-TR
0.15
0.25
0.35
V
Transformer reset detection (TR)
upper limit clamp voltage
V
CLH-TR
I
TR
=
3 mA
0.55
0.7
0.85
V
Transformer reset detection (TR)
lower limit clamp voltage
V
CLL-TR
I
TR
=
3 mA
0.3
0.15
0
V
Overcurrent protection (CLM)
threshold voltage
V
TH-CLM
220
200
180
mV
Oscillator (CF) upper limit voltage
V
H-CF
FB pin
=
Open, C
F
=
2 200 pF
FB pin
=
Open, C
F
=
2 200 pF
I
FB
=
0.5 mA, C
F
=
2 200 pF
FB pin
=
Open, I
TR
=
750
μ
A
3.8
4.2
4.6
V
Oscillator (CF) lower limit voltage 1
V
L1-CF
0.8
1.0
1.2
V
Oscillator (CF) lower limit voltage 2
V
L2-CF
G
ION-CF
0
0.1
0.3
V
Oscillator (CF) maximum
on-period current gain
0.8
1.0
1.2
Oscillator (CF) maximum
on-period current
I
ON-CF
I
TR
=
0 mA
200
250
300
μ
A
Oscillator (CF) minmum
off-period current 1
I
OFF1-CF
I
FB
=
0.4 mA
880
660
440
μ
A
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