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參數(shù)資料
| 型號： | FA3647N |
| 廠商： | FUJI ELECTRIC CO LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | PWM control IC with light load power saving function For Switching Power Supply Control |
| 中文描述： | 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOP-8 |
| 文件頁數(shù)： | 4/21頁 |
| 文件大?。?/td> | 406K |
| 代理商： | FA3647N |
FA3641P(N), FA3647P(N)
61
Output ON/OFF circuit section
Item
Symbol
I
socs
V
TH ON
V
TH OFF
Test condition
Min.
Typ.
Max.
Unit
μ
A
V
CS pinl source current
V
CS
=0V, Tj=25
C
OFF
→
ON, Tj=25
C
ON
→
OFF, Tj=25
C
–
4.0
–
6.5
–
9.0
OFF-to-ON threshold voltage (CS pin)
0.82
0.95
ON-to-OFF threshold voltage (CS pin)
0.50
0.68
V
Latch-mode cutoff circuit section
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
μ
A
V
CS pin sink current
I
SICS
V
CS
=6.5V, V
FB
=1V, Tj=25
C
ON
→
OFF, Tj=25
C
OFF
→
ON, Tj=25
C
20
35
50
Cutoff threshold voltage (CS pin)
V
TH CSF
8.0
8.5
9.0
V
TH CSN
V
TH HIS
7.4
7.9
8.4
V
Hysteresis
0.6
V
Overload cutoff circuit section
Item
Symbol
V
TH FB
Test condition
Min.
Typ.
Max.
Unit
Cutoff threshold voltage (FB pin)
2.8
3.0
3.3
V
Overvoltage cutoff circuit section
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Cutoff threshold voltage (Vcc pin)
V
TH VCC
Tj=25
C
30
32
34
V
Cutoff operating supply current (Vcc pin)
I
VCC
I
SO
CS2
Tj=25
C
13
mA
Charge current (CS pin)
V
CS
=6.5V
–
0.5
–
0.9
–
1.4
mA
Undervoltage lockout circuit section
Item
Symbol
V
CC ON
V
CC OFF
V
HYS
Test condition
Min.
Typ.
Max.
Unit
OFF-to-ON threshold voltage
Tj=25
C
15.5
16.5
17.5
V
ON-to-OFF threshold voltage
Tj=25
C
8.5
9.0
10.0
V
Hysteresis
Tj=25
C
6.8
7.5
8.2
V
Output section
Item
Symbol
V
OL
V
OH
tr
Test condition
I
O
=100mA
I
O
=
–
100mA,
V
CC
=18V
OUT=1000pF
Min.
Typ.
Max.
Unit
L-level output Voltage
0.7
1.5
V
H-level output Voltage
15
16.5
V
Rise time
50
ns
Fall time
tf
OUT=1000pF
40
ns
Overall device
Item
Symbol
I
CC STB
I
CC ST
I
CC OP
I
CCOF
I
CCL
Test condition
V
CC
=14V
V
CC
=
V
CCON
Min.
Typ.
Max.
Unit
μ
A
μ
A
mA
μ
A
μ
A
Standby current
2
Startup current
12
30
Operating-state supply current
No load
V
CC
=17V, Cs=0V
V
CC
=10V
1.9
2.5
OFF-state supply current
100
Cutoff-state supply current
45
100
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| FA3647N-H1 | 制造商:Fuji Electric 功能描述: |
| FA3647P | 制造商:FUJI 制造商全稱:Fuji Electric 功能描述:PWM control IC with light load power saving function For Switching Power Supply Control |
| FA3647P-D1 | 制造商:Fuji Electric 功能描述: |
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