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RS2051P 参数 Datasheet PDF下载

RS2051P图片预览
型号: RS2051P
PDF下载: 下载PDF文件 查看货源
内容描述: 新型低成本绿色模式PWM控制器,软启动和模式 [Novel Low Cost Green-Mode PWM Controller with Soft Start & Mode]
分类和应用: 软启动控制器
文件页数/大小: 13 页 / 525 K
品牌: ORISTER [ ORISTER CORPORATION ]
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Page No. : 3/13  
Absolute Maximum Ratings  
Symbol  
Parameter  
Supply voltage Pin Voltage  
VDD OVP maximal enter current  
Input Voltage to FB Pin  
Input Voltage to SEN Pin  
Power Dissipation  
ESD Capability, HBM Model  
ESD Capability, Machine Model  
Rating  
40  
20  
-0.3 to 6V  
-0.3 to 6V  
300  
Unit  
V
mA  
V
V
mW  
V
VDD  
IOVP  
VFB  
VSEN  
PD  
2500  
250  
ESD  
V
20second:  
SOT-23-6L  
10second:  
DIP-8  
10second:  
SOP-8  
220  
260  
Lead Temperature  
(Soldering)  
TL  
230  
TSTG  
Storage Temperature Range  
-55 to + 150  
RECOMMENDED OPERATION CONDITION  
Symbol  
VDD  
RI  
TOA  
PO  
Parameter  
VDD Supply Voltage  
RI PIN Resistor Value  
Min ~ Max  
11~20  
65~130  
-20~85  
0~80  
Unit  
V
K ohm  
Operation Ambient Temperature  
Output Power  
W
FPWM  
Frequency of PWM  
30~150  
KHz  
Electrical Characteristics (Ta=25°C unless otherwise noted, VDD = 15V.)  
Symbol  
Parameter  
Conditions  
Min.  
Typ.  
Max.  
Unit  
Supply Voltage (VDD Pin)  
IST  
Startup Current  
1.5  
3.2  
2.2  
1.65  
12.8  
7.8  
μA  
mA  
mA  
mA  
V
VFB=0V  
VFB=3V  
VFB=Open  
ISS  
Operating Current  
VDDON  
Turn-on Threshold Voltage  
VDDOFF Turn-off Threshold Voltage  
VDCLAMP VDD Clamp Voltage  
V
V
IVDD=20mA  
25.6  
Anti Intermission Surge  
VDD Voltage  
VDDAIS  
12.7  
V
TSS  
TOFF  
TRESTART  
Soft start Time  
Over temperature Protection  
Temperature restart  
1.2  
130  
100  
mS  
Voltage Feedback (FB Pin)  
IFB  
VFB  
Short Circuit Current  
Open Loop Voltage  
VFB=0V  
VFB=Open  
1.57  
4.6  
mA  
V
IFB_0D  
IPFM  
ICRM  
VPFM  
VCRM  
Zero Duty Cycle FB current  
1.47  
1.37  
1.45  
0.51  
0.30  
152  
4.2  
mA  
mA  
mA  
V
V
uA  
V
Enter PFM&PWM, FB current  
Enter CRM, FB current  
PFM Threshold VFB  
Enter CRM Threshold VFB  
IOLP&SCP Enter OLP&SCP FB current  
VOLP&SCP Enter OLP&SCP FB voltage  
TOLP&SCP OLP&SCP min. delay Time  
RI=100K  
33  
50  
mS  
Current Sensing (SEN Pin)  
VTH_L  
VTH_H  
TPD  
RCS  
VSCP  
TSCP  
Minimum Voltage Lever  
Maximum Voltage Lever  
Delay to Output  
Input Impedance  
Sense short protect voltage  
0.65  
0.85  
150  
50  
177  
1.2  
V
V
ns  
KΩ  
mV  
mS  
Sen. short protect Delay Time  
Oscillator (RI Pin)  
FOSC  
Normal Frequency  
RI=100Kohm  
55  
60  
65  
KHz  
DS-RS2051-02  
September, 2007  
www.Orister.com  
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