参数资料
型号: YD3843
厂商: Wuxi Youda electronics Co.,LTD.
英文描述: CURRENT MODE PWM CONTROL CIRCUITS
中文描述: 电流模式PWM控制电路
文件页数: 3/4页
文件大小: 93K
代理商: YD3843
YOUDA INTEGRATED CIRCUIT
YD3843
Output Source
Current
lsource
Vpin 2=2.3V, Vpin
1=5V
-0.5
-0.8
mA
Vout High
VOH
Vpin 2=2.3V, RL=15kΩ
to GND
5
6
V
Vout Low
VOL
Vpin 2=2.7V, Vpin
1=1.1V
0.7
1.1
V
Current Sense Section
Gain
Gv
(note 3, 4)
2.85
3
3.15
V/V
Maximum Input
Signal
VI(MAX)
Vpin 1=5V(note 3)
0.9
1
1.1
V
PSRR
12≤Vcc≤25V
70
dB
Input Bias Current
lBIAS
-2
-10
μA
Delay to Output
Vpin 3=0 to 2V
150
300
ns
Output Section
lsink=20mA
0.1
0.4
V
Output Low Level
VOL
lsink=200mA
1.5
2.2
V
lsource=20mA
13
13.5
V
Output High Level
VOH
lsource=200mA
12
13.5
V
Rise Time
tR
Tj=25℃, CL=1nF
(note 2)
50
150
ns
Fall Time
tF
Tj=25℃, CL=1nF(note 2)
50
150
ns
UVLO Saturation
Vcc=5V, lsink=10mA
0.7
1.2
V
Under-Voltage Lockout Output Section
Start Threshold
VTH(ST)
7.8
8.4
9.0
V
Min. Operating
Voltage
After Turn On
VOPR(min)
7.6
8.0
8.4
V
PWM Section
Maximum Duty
Cycle
D(MAX)
95
07
100
%
Minimum Duty
Cycle
D(MIN)
0
%
Total Standby Current
Start-up Current
lST
0.5
1
mA
Operating Supply
Current
Icc(OPR)
Vpin 2=Vpin 3=0V
11
17
mA
Vcc Zener Voltage
Vz
Icc=25mA
34
V
WuXi YouDa Electronics Co., Ltd
3 of 4
Website: www.e-youda.com
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