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Q0370R View Datasheet(PDF) - Fairchild Semiconductor

Part NameDescriptionManufacturer
Q0370R (FSQ0x70RNA) Green Mode Fairchild Power Switch Fairchild
Fairchild Semiconductor Fairchild
Q0370R Datasheet PDF : 17 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Application Diagram
AC
IN
DC
OUT
Vstr
Drain
IPK
PWM
FB
VCC
GND
FSQ0x70RNA Rev. 1.01
Figure 1. Typical Flyback Application
Output Power Table(1)
Product
230VAC ±15%(2)
Adapter(3)
Open Frame(4)
85–265VAC
Adapter(3)
Open Frame(4)
FSQ0170RNA
14W
20W
9W
13W
FSQ0270RNA
17W
24W
11W
16W
FSQ0370RNA
20W
27W
13W
19W
Notes:
1. The maximum output power can be limited by junction temperature.
2. 230 VAC or 100/115 VAC with doubler.
3. Typical continuous power in a non-ventilated enclosed adapter with sufficient drain pattern as a heat sink, at 50°C
ambient.
4. Maximum practical continuous power in an open-frame design with sufficient drain pattern as a heat sink, at 50°C
ambient.
Internal Block Diagram
VCC
2
FB 3
IPK 4
VBURL/VBURH
VCC
VCC
IDELAY
IFB
8V/12V
Normal
2.5R
R
Burst
Vstr
5
ICH
VCC good
Vref
Internal
Bias
OSC
PWM
SQ
RQ
Gate
Driver
LEB
Drain
6,7,8
VSD
VCC
Vovp
TSD
VCC good
SQ
RQ
Figure 2. Internal Block Diagram
1 GND
Soft-Start
FSQ0x70RNA Rev. 1.00
© 2006 Fairchild Semiconductor Corporation
FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0.2
2
www.fairchildsemi.com
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