參數(shù)資料
型號(hào): CS3842B
廠商: ZF Electronics Corporation
英文描述: IC CONV DC/DC 5V 150MA SIP5
中文描述: 離線式電流模式PWM控制電路脫線電流模式PWM控制電路
文件頁數(shù): 3/6頁
文件大?。?/td> 154K
代理商: CS3842B
3
C
Electrical Characteristics: continued
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
CS-3842B
MIN
CS-3843B
TYP
PARAMETER
TEST CONDITIONS
TYP
MAX
MIN
MAX UNITS
Notes:
1. Adjust V
CC
above the start threshold before setting at 15V.
2. These parameters, although guaranteed, are not 100% tested
in production.
3. Parameter measured at trip point of latch with V
FB
=0.
4.
Gain defined as:
A =
; 0
V
Sense
0.8V.
V
COMP
V
Sense
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
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
ns
ns
μA
I
Total Standby Current
Start-Up Current
Operating Supply Current
V
CC
Zener Voltage
0.3
11
34
0.5
17
mA
mA
V
V
FB
=V
Sense
=0V R
T
=10k
, C
T
=3.3nF
I
CC
=25mA
I
Under-Voltage Lockout Section
Start Threshold
Min. Operating
Voltage
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
After Turn On
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