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參數資料
| 型號： | CS3842AGDR8 |
| 廠商： | ZF Electronics Corporation |
| 英文描述： | CONVERTER DC/DC 5V OUT .5A 9-SIP |
| 中文描述： | 離線式電流模式PWM控制電路欠壓鎖定 |
| 文件頁數： | 3/6頁 |
| 文件大?。?/td> | 156K |
| 代理商： | CS3842AGDR8 |
3
C
Electrical Characteristics: continued
CS2842A/CS2843A CS3842A/CS3843A
MIN
TYP
MAX
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNITS
CS2842A
TYP
CS3842A
TYP
CS2843A/CS3843A
MIN
TYP
PARAMETER
TEST CONDITIONS
MIN
MAX
MIN
MAX
MAX UNITS
Notes:
1. Adjust V
CC
above the start threshold before setting at 15V.
3. Parameter measured at trip point of latch with VFB=0.
2.These parameters, although guaranteed, are not 100% tested in production.
4. Gain defined as:
A =
; 0
≤
VSense
≤
0.8V.
V
COMP
V
Sense
I
Under-Voltage Lockout Section
Start Threshold
Min. Operating After Turn On
Voltage
15
9
16
10
17
11
14.5
8.5
16.0
10.0
17.5
11.5
7.8
7.0
8.4
7.6
9.0
8.2
V
V
I
Output Section: continued
Rise Time
Fall Time
Output Leakage
T
J
= 25
C, C
L
= 1nF (Note 2)
T
J
= 25
C, C
L
= 1nF (Note 2)
UVLO Active, V
OUT
= 0
50
50
-0.01
150
150
-10.00
50
50
-0.01 -10.00 μA
150
150
ns
ns
I
Total Standby Current
Start-Up Current
Operating Supply Current
V
CC
Zener Voltage
0.5
17
34
1.0
0.5
17
34
1.0
mA
mA
V
FB
= V
Sense
= 0V, R
T
= 10k
, C
T
= 3.3nF 11
I
CC
= 25mA
11
V
Package Pin Description
PACKAGE PIN #
PIN SYMBOL
FUNCTION
8L PDIP/SO
14L SO Narrow
1
1
COMP
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 supply
8
14
V
REF
Output of 5V internal reference
2,4,6,13
NC
No Connection
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