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參數(shù)資料
| 型號： | FA5511N |
| 廠商： | FUJI ELECTRIC CO LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.5 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOP-8 |
| 文件頁數(shù)： | 17/22頁 |
| 文件大?。?/td> | 260K |
| 代理商： | FA5511N |
FA551X
4
Overload cutoff circuit section (FB pin)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Overload threshold voltage (FB pin)
VTH FB
3.2
3.5
3.8
V
Overvoltage cutoff circuit section (VCC pin)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Overvoltage threshold voltage (VCC pin)
VTH VCC
Tj=25C
30
31.8
34
V
Cutoff operating supply current (VCC pin)
IVCC
Tj=25C, VCC=VTHVCC
14
mA
Charge current (CS pin)
IS0CS2
VCS=6.5V
–1.4
–0.95
–0.5
mA
Undervoltage lockout circuit section (VCC pin)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
OFF-to-ON threshold voltage
VCC ON
Tj=25C
15.5
16.5
17.5
V
ON-to-OFF threshold voltage
VCC OFF
Tj=25C
8.5
9.0
10.0
V
Hysteresis voltage
VHYS
Tj=25C
6.8
7.5
8.2
V
Output circuit section (OUT pin)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Low output voltage
VOL
IOL=100mA
0.7
1.5
V
High output voltage
VOH
IOH=–100mA, VCC=18V
15
16.5
V
Rise time
tr
CL=1nF
40
ns
Fall time
tf
CL=1nF
25
ns
Latch-mode cutoff circuit section (CS pin)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Sink current (CS pin)
ISICS
VCS=6.5V, VFB=1V, Tj=25C
18
30
45
A
Cutoff threshold voltage (CS pin)
VTH CSF
ON
→OFF, Tj=25C
8.0
8.5
9.0
V
VTH CSN
OFF
→ON, Tj=25C
7.4
7.9
8.4
V
Hysteresis voltage
VTHHIS
0.6
V
Supply current (VCC pin)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Stand-by current
ICCSTB
VCC=14V
2
A
Startup current
ICCST
VCC=OFF-to-ON threshold voltage
12
30
A
Operating-state supply current
ICCOP
No load
1.5
2.5
mA
OFF-state supply current
ICCOF
VCC=17V, CS=0V
80
200
A
Latch mode supply current
ICCL
VCC=10V
45
80
A
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