參數資料
型號: KA5Q0740RTTU
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: Fairchild Power Switch(FPS)
中文描述: 18.4 A SWITCHING REGULATOR, PSFM5
封裝: TO-220F, 5 PIN
文件頁數: 5/12頁
文件大?。?/td> 284K
代理商: KA5Q0740RTTU
KA5Q0740RT
5
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 in EDS(wafer test) process.
3. These parameters indicate Inductor Current.
Parameter
SYNC SECTION
Normal Sync High Threshold Voltage
Normal Sync Low Threshold Voltage
Burst Sync High Threshold Voltage
Burst Sync Low Threshold Voltage
BURST MODE SECTION
Burst mode Low Threshold Voltage
Burst mode High Threshold Voltage
Burst mode Enable Feedback Voltage
Burst mode Peak Current Limit
PRIMARY SIDE REGULATION SECTION
Primary Regulation Threshold Voltage
Primary Regulation Transconductance
CURRENT LIMIT(SELF-PROTECTION)SECTION
Peak Current Limit(Note3)
TOTAL DEVICE SECTION
Start Up Current
Symbol
Condition
Min.
Typ. Max.
Unit
V
NSH
V
NSL
V
BSH
V
BSL
Vcc = 16V, Vfb = 5V
Vcc = 16V, Vfb = 5V
Vcc = 10.5V, Vfb = 0V
Vcc = 10.5V, Vfb = 0V
4.0
2.3
3.2
1.1
4.6
2.6
3.6
1.3
5.2
2.9
4.0
1.5
V
V
V
V
V
BURL
V
BURH
V
BEN
I
BU_PK
Vfb = 0V
Vfb = 0V
Vcc = 10.5V
Vcc = 10.5V
10.4
11.4
0.7
0.65
11.0
12.0
1.0
0.85
11.6
12.6
1.3
1.1
V
V
V
A
V
PR
G
PR
Ifb = 700uA, Vfb = 4V
32.0
2.0
32.5
2.6
33.0
-
V
-
mA/V
I
PK
-
4.4
5.0
5.6
A
I
START
I
OP
I
OP(MIN)
I
OP(MAX)
Vfb = GND, V
CC
= 14V
Vfb = GND, V
CC
= 16V
Vfb = GND, V
CC
= 10V
Vfb = GND, V
CC
= 28V
-
0.1
0.2
mA
Operating Supply Current (Note1)
-
10
18
mA
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