RS2051(2010) Ver la hoja de datos (PDF) - Orister Corporation
Número de pieza
componentes Descripción
Fabricante
RS2051 Datasheet PDF : 11 Pages
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Page No. : 3/11
Absolute Maximum Ratings
Symbol
VDD
IOVP
VFB
VSEN
PD
ESD
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
TL
Lead Temperature
(Soldering)
TSTG
Storage Temperature Range
Recommended Operation Condition
Symbol
VDD
RI
TOA
PO
FPWM
Parameter
VDD Supply Voltage
RI PIN Resistor Value
Operation Ambient Temperature
Output Power
Frequency of PWM
20second:
SOT-23-6L
10second:
DIP-8L
10second:
SOP-8L
Rating
Unit
40
V
20
mA
-0.3 to 6V
V
-0.3 to 6V
V
300
mW
2500
V
250
V
220
oC
260
oC
230
-55 to + 150
oC
Min ~ Max
10~30
100
-20~85
60
30~150
Unit
V
K ohm
oC
W
KHz
Electrical Characteristics (Ta=25°C unless otherwise noted, VDD = 15V.)
Symbol
IST
ISS
VDDON
VDDOFF
VDDCLAMP
VDDAIS
IFB
VFB
IFB_0D
IPFM
ICRM
VPFM
VCRM
IOLP&SCP
VOLP&SCP
TOLP&SCP
VTH_L
VTH_H
TPD
RCS
TLEB
Parameter
Startup Current
Conditions
Supply Voltage (VDD Pin)
Operating Current
Turn-on Threshold Voltage
VFB=0V
VFB=3V
VFB=Open
Turn-off Threshold Voltage
VDD Clamp Voltage
Anti Intermission Surge
VDD Voltage
IVDD=20mA
Voltage Feedback (FB Pin)
Short Circuit Current
Open Loop Voltage
Zero Duty Cycle FB current
VFB=0V
VFB=Open
Enter PFM&PWM, FB current
Enter CRM, FB current
PFM Threshold VFB
Enter CRM Threshold VFB
Enter OLP&SCP FB current
Enter OLP&SCP FB voltage
OLP&SCP min. delay Time
RI=100K
Current Sensing (SEN Pin)
Minimum Voltage Lever
(Dmin=0%)
Maximum Voltage Lever
(Dmax=78%)
Delay to Output
Input Impedance
Leading edge blanking time
Min.
13.0
7.8
33
DS-RS2051-09 No v, 2010
Typ. Max. Unit
3.0
20.0
μA
3.0
mA
1.2
mA
0.8
mA
14.0 15.0
V
8.8
9.8
V
34.0
V
9.4
V
0.7
mA
4.8
V
0.59
mA
0.50
mA
0.55
mA
1.80
V
1.40
V
170
uA
3.7
V
35
50
ms
0.80
V
1.05
V
75
ns
40
KΩ
300
ns
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