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參數(shù)資料
| 型號： | UPC1909 |
| 廠商： | NEC Corp. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Isolated Flyback Switching Regulator with 9V Output |
| 中文描述： | 隔離反激式開關(guān)穩(wěn)壓9V輸出 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 85K |
| 代理商： | UPC1909 |
Data Sheet G14309EJ1V0DS00
5
μ
PC1909
Electrical Characteristics (Unless otherwise specified, T
A
= 25
°
C, V
CC
= 10 V, R
T
= 10 k
, fosc = 200 kHz)
Block
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Standby Current
I
CC (SB)
V
CC
= 7 V
0.1
mA
Total
Circuit Current
I
CC
Without load
6
12
18
mA
Start-Up Threshold Voltage
V
CC (L to H)
8
9
10
V
Under-
Voltage
Lockout
Circuit
Operating Voltage Hysteresis
Width
V
H
3
4
5
V
Output Voltage
V
REF
I
REF
= 0 A
4.7
4.9
5.1
V
Line Regulation
REG
IN
8 V
≤
V
CC
≤
15 V,
I
REF
= 0 A
1
10
mV
Load Regulation
REG
L
1 mA
≤
I
REF
≤
4 mA
6
12
mV
Output Voltage Temperature
Coefficient
V
REF
/
T
10
°
C
≤
T
A
≤
+85
°
C,
I
REF
= 0 A
400
(700)
μ
V/
°
C
Reference
Voltage
Short Circuit Current
I
O short
I
REF
= 0 A
15
mA
Oscillation Frequency
f
OSC
180
200
220
kHz
Frequency Line Regulation
f/
V
8 V
≤
V
CC
≤
15 V
1
%
Oscillation
Frequency Temperature
Coefficient
f/
T
10
°
C
≤
T
A
≤
+85
°
C
2
(5)
%
I
B (COMP1)
V
COMP1
= V
REF
10
μ
A
Input Bias Current
I
B (COMP2)
V
COMP2
= V
REF
10
μ
A
Low-level Threshold Voltage
V
TH (L)
1.5
V
High-level Threshold Voltage
V
TH (H)
3.5
V
PWM
Comparator
Dead-time Temperature
Coeficient
DT/
T
10
°
C
≤
T
A
≤
+85
°
C,
V
D
= 0.46 V
REF
3
%
Low-level Output Voltage
V
OL
I
SINK
= 3 mA
0.5
V
High-level Output Voltage
V
OH
I
SOURCE
= 30 mA
V
CC
1.6
V
Rise Time
t
r
R
L
= 15
, C
L
= 2200 pF
60
ns
Output
Fall Time
t
f
R
L
= 15
, C
L
= 2200 pF
40
ns
Input Voltage at Output ON
V
IN (ON)
2.4
2.6
2.8
V
Input Voltage at Output OFF
V
IN (OFF)
2.2
2.4
2.6
V
Remote
Control
Hysteresis Width
V
H
0.1
0.2
0.3
V
Overcurrent Threshold Voltage
V
TH (OC)
190
210
230
mV
Input Bias Current
I
B (OC)
V
CC
= 0 V
200
μ
A
Overcurrent
Latch
Delay to Output
t
d (OC)
150
ns
Overvoltage Threshold Voltage
V
TH (OV)
2
2.4
2.8
V
Input Bias Current
I
B (OV)
V
OV
= V
REF
4
μ
A
OVL Reset Voltage
V
R (OV)
2
V
Overvoltage
Latch
Delay to Output
t
d (OV)
750
ns
Remark
Values in parentheses ( ) represent reference values.
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