參數(shù)資料
型號(hào): FSCQ0765RT
廠商: Fairchild Semiconductor Corporation
英文描述: Green Mode Fairchild Power Switch (FPS) for Quasi-Resonant Switching Converter
中文描述: 綠色模式飛兆半導(dǎo)體功率開關(guān)(FPS)的準(zhǔn)諧振開關(guān)變換器
文件頁(yè)數(shù): 7/24頁(yè)
文件大?。?/td> 726K
代理商: FSCQ0765RT
FSCQ0765RT
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
Sync SECTION
Sync Threshold in normal QR (H)
Sync Threshold in normal QR (L)
Sync Threshold in extended QR (H)
Sync Threshold in extended QR (L)
Extended QR enable frequency
Extended QR disable frequency
BURST MODE SECTION
Burst Mode Enable Feedback Voltage
Burst Mode Feedback Source Current
Burst Mode switching Time
Burst Mode Hold Time
SOFTSTART SECTION
Soft start Time (Note2)
CURRENT LIMIT(SELF-PROTECTION)SECTION
Peak Current Limit (Note3)
Burst Mode Peak Current Limit (Note4)
TOTAL DEVICE SECTION
Startup Current
Sustain Latch Current
Operating Supply Current (Note1)
- In normal operation
- In burst mode (without switching)
Symbol
Condition
Min.
Typ. Max.
Unit
V
SH1
V
SL1
V
SH2
V
SL2
F
SYH
F
SYL
Vcc = 16V, Vfb = 5V
Vcc = 16V, Vfb = 5V
Vcc = 16V, Vfb = 5V
Vcc = 16V, Vfb = 5V
4.2
2.3
2.7
1.6
-
-
4.6
2.6
3.0
1.8
90
45
5.0
2.9
3.3
2.0
-
-
V
V
V
V
kHz
kHz
V
BEN
I
BFB
T
BS
T
BH
0.25
60
1.2
1.2
0.40
100
1.4
1.4
0.55
140
1.6
1.6
V
uA
ms
ms
V
FB
= 0V
V
FB
= 0V
T
SS
18
20
22
ms
I
LIM
I
BPK
-
-
4.4
0.65
5.0
0.9
5.6
1.15
A
A
I
START
I
SL
V
CC
= V
START
-0.1V
V
CC
= V
STOP
-0.1V
-
-
25
50
50
100
uA
uA
I
OP
I
OB
Vfb = 2V, V
CC
= 18V
Vfb = GND, V
CC
= 18V
-
-
4
6
mA
mA
0.25
0.50
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