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參數資料
| 型號： | FA7630CP |
| 廠商： | FUJI ELECTRIC CO LTD |
| 元件分類： | 穩壓器 |
| 英文描述： | Bipolar IC For Switching Power Supply Control |
| 中文描述： | 0.5 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP20 |
| 封裝： | DIP-20 |
| 文件頁數： | 3/5頁 |
| 文件大小： | 61K |
| 代理商： | FA7630CP |
FA7630CP(E)
3
Timer and latch circuit section
Item
Symbol
V
THCP
I
INCP
V
SATC
Test condition
Min.
Typ.
Max.
Unit
Latch-mode threshold voltage
1.00
1.25
1.50
V
μ
A
mV
Input bias current
V
CP
=1.5V,
V
FB
=0.3V
I
CP
=20
μ
A,
V
FB
=1.0V
1
CP pin voltage / LOW
300
Output ON/OFF control section
Item
Symbol
V
THON
V
THOF
I
IN
Test condition
Min.
Typ.
Max.
Unit
OFF-to-ON threshold voltage
3.0
V
ON-to-OFF threshold voltage
0.60
V
Input bias current
V
IN
=3V
230
350
μ
A
Undervoltage lock-out circuit section
Item
Symbol
V
CCON
V
CCOF
V
HYS
Test condition
Min.
Typ.
Max.
Unit
OFF-to-ON threshold voltage
3.92
4.20
4.48
V
ON-to-OFF threshold voltage
3.50
V
Voltage hysteresis
0.70
V
Output section
Item
Symbol
V
SAT+
V
SAT–
Test condition
I
O
= –50mA
I
O
= 50mA
Min.
Typ.
Max.
Unit
Saturation voltage(H level)
1.60
2.00
V
Saturation voltage(L level)
1.40
1.80
V
Pulse width modulation circuit section
(FB pin)
Item
Symbol
V
THO
V
TH1
Test condition
Min.
Typ.
Max.
Unit
Input threshold voltage
Duty cycle = 0%
1.65
V
Input threshold voltage
Duty cycle = 100%
0.95
V
Dead time adjustment circuit section
(DT pin)
Item
Symbol
V
THO
V
TH1
V
STB
Test condition
Min.
Typ.
Max.
Unit
Input threshold voltage
Duty cycle = 0%
1.65
V
Input threshold voltage
Duty cycle = 100%
0.95
V
Standby voltage
DT pin open
1.80
V
Overcurrent limiting circuit section
Item
Symbol
V
THOC
V
HYOC
I
OC
t
doc
Test condition
Min.
Typ.
Max.
Unit
Input threshold voltage
175
200
225
mV
Hysteresis voltage
40
mV
μ
A
ns
Input bias current
45
80
Delay in OCL
Overdriving : 50mV
120
Overall device
Item
Symbol
I
CCST
I
CC1
Test condition
Min.
Typ.
Max.
Unit
μ
A
mA
Standby supply current
Out pin open
0.1
10
Operating-state supply current
Single channel operation
2.20
3.20
Duty cycle =50%
I
CC2
Dual channel operation
3.00
4.20
mA
Duty cycle =50%
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