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FSCQ1565RP Datasheet(PDF) 7 Page - Fairchild Semiconductor

Part No. FSCQ1565RP
Description  Green Mode Fairchild Power Switch (FPS) for Quasi-Resonant Switching Converter
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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FSCQ1565RP Datasheet(HTML) 7 Page - Fairchild Semiconductor

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FSCQ1565RP
7
Electrical Characteristics (Continued)
(Ta=25
°C unless otherwise specified)
Note:
1. These parameters is the current flowing in the Control IC.
2. These parameters, although guaranteed, are tested only in EDS (wafer test) process.
3. These parameters indicate Inductor Current.
4. These parameters, although guaranteed at the design, are not tested in mass production.
Parameter
Symbol
Condition
Min.
Typ. Max.
Unit
Sync SECTION
Sync Threshold in normal QR (H)
VSH1
Vcc = 16V, Vfb = 5V
4.2
4.6
5.0
V
Sync Threshold in normal QR (L)
VSL1
Vcc = 16V, Vfb = 5V
2.3
2.6
2.9
V
Sync Threshold in extended QR (H)
VSH2
Vcc = 16V, Vfb = 5V
2.7
3.0
3.3
V
Sync Threshold in extended QR (L)
VSL2
Vcc = 16V, Vfb = 5V
1.6
1.8
2.0
V
Extended QR enable frequency
FSYH
-90-
kHz
Extended QR disable frequency
FSYL
-45-
kHz
BURST MODE SECTION
Burst Mode Enable Feedback Voltage
VBEN
0.25
0.40
0.55
V
Burst Mode Feedback Source Current
IBFB
60
100
140
uA
Burst Mode switching Time
TBS
VFB = 0V
1.2
1.4
1.6
ms
Burst Mode Hold Time
TBH
VFB = 0V
1.2
1.4
1.6
ms
SOFTSTART SECTION
Soft start Time (Note2)
TSS
18
20
22
ms
CURRENT LIMIT(SELF-PROTECTION)SECTION
Peak Current Limit (Note3)
ILIM
-
10.12 11.5 12.88
A
Burst Mode Peak Current Limit (Note4)
IBPK
-
0.6
1.0
1.4
A
TOTAL DEVICE SECTION
Startup Current
ISTART
VCC = VSTART-0.1V
-
25
50
uA
Sustain Latch Current
ISL
VCC = VSTOP-0.1V
-
50
100
uA
Operating Supply Current (Note1)
- In normal operation
- In burst mode (without switching)
IOP
Vfb = 2V, VCC = 18V
-
7
9
mA
IOB
Vfb = GND, VCC = 18V
-
0.25
0.50
mA


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