STR6251 데이터 시트보기 (PDF) - Sanken Electric co.,ltd.
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STR6251 Datasheet PDF : 13 Pages
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STR-W6251D,
STR-W6252D, and
STR-W6253D
PWM Off-Line Switching Regulator ICs
The polarity value for current specifies a sink as "+," and a source as “−,” referencing the IC.
Absolute Maximum Ratings Unless specifically noted, valid at TA = 25°C
Characteristic
Symbol
Note
Pin
Rating
Unit
STR-W6251D
2.6
A
Drain Peak Current1
IDPEAK STR-W6252D Single Pulse
1-3
3.2
A
STR-W6253D
10
A
STR-W6251D
2.6
A
Maximum Switching Current2
IDMAX STR-W6252D TA = –20°C to 125°C
1-3
3.2
A
STR-W6253D
10
A
Avalanche Energy3
S/OCP Pin Voltage
FM/ELP Pin Voltage
FM/ELP Pin Sink Current
FB Pin Voltage
Controller Part Input Voltage
STR-W6251D ILPEAK = 2 A Single Pulse,
EAS
STR-W6252D ILPEAK = 2.3 A VDD = 99 V,
1-3
STR-W6253D ILPEAK = 2.7 A L = 20 mH
VOCP
3-5
VFM
7-5
IFM
7-5
VFB
FB pin is open
6-5
VCC
4-5
STR-W6251D
47
mJ
62
mJ
86
mJ
–6 to 6
V
–0.3 to 12
V
3
mA
–0.3 to 9
V
0 to 32
V
25
W
MOSFET Power Dissipation4
STR-W6252D With infinite heatsink
PD1
STR-W6253D
26
W
1-3
27.5
W
Without heatsink
1.3
W
Controller Part Power Dissipation
PD2
4-5
0.8
W
Internal Frame Temperature in Operation
TF
Recommended operating temperature is
TF = 105°C (max)
–
–20 to 115
°C
Operating Ambient Temperature
Top
–
–20 to 115
°C
Storage Temperature
Tstg
–
–40 to 125
°C
Channel Temperature
Tch
–
150
°C
1Refer to MOSFET Safe Operating Area Curve.
2The Maximum Switching Current is the drain current determined by the drive voltage of the IC and threshold voltage (Vth) of the MOSFET.
3Refer to MOSFET Avalanche Energy Derating Coefficient Curve.
4Refer to MOSFET Temperature versus Power Dissipation Curve.
STR-W6200D-DS
SANKEN ELECTRIC CO., LTD.
3
November 12, 2012
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