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參數(shù)資料
| 型號： | CS52843ED8 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, PDSO8 |
| 封裝： | SOP-8 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大小： | 240K |
| 代理商： | CS52843ED8 |
CS52843
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS (continued)
(
40
°
C
≤
T
A
≤
85
°
C; V
CC
= 15 V (Note 2.); R
T
= 680
Ω;
C
T
= 0.022
μ
F for triangle
mode, R
T
= 10 k
Ω;
C
T
= 3.3 nF sawtooth mode; unless otherwise specified.)
Parameter
Unit
Max
Typ
Min
Test Conditions
Output Section
Output Low Level
I
SINK
= 20 mA
I
SINK
= 200 mA
0.1
1.5
0.4
2.2
V
V
Output High Level
I
SOURCE
= 20 mA
I
SOURCE
= 200 mA
13
12
13.5
13.5
V
V
Rise Time
T
J
= 25
°
C, C
L
= 1.0 nF, Note 5.
50
150
ns
Fall Time
T
J
= 25
°
C, C
L
= 1.0 nF, Note 5.
50
150
ns
Output Leakage
UVLO Active V
OUT
= 0
0.01
10
μ
A
Total Standby Current
Start
Up Current
300
500
μ
A
Operating Supply Current
V
FB
= V
SENSE
= 0 V, R
T
= 10 k
Ω;
C
T
= 3.3 nF
11
17
mA
V
CC
Zener Voltage
I
CC
= 25 mA
34
V
Undervoltage Lockout Section
Start Threshold
7.8
8.4
9.0
V
Min. Operating Voltage
5. These parameters, although guaranteed, are not 100% tested in production.
After Turn On
7.0
7.6
8.2
V
PACKAGE PIN DESCRIPTION
Package Lead Number
Lead Symbol
COMP
Function
SO
8
SO
14
1
1
Error amp output, used to compensate error amplifier.
2
3
V
FB
Error amp inverting input.
3
5
SENSE
Noninverting input to Current Sense Comparator.
4
7
OSC
Oscillator timing network with capacitor to ground, resistor to
V
REF.
5
8
GND
Ground.
9
Pwr GND
Output driver ground.
6
10
V
OUT
Output drive pin.
11
V
CC
Pwr
Output driver positive supply.
7
12
V
CC
Positive power suppy.
8
14
V
REF
Output of 5.0 V internal reference.
2, 4, 6, 13
NC
No Connection.
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