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參數(shù)資料
| 型號： | FA7630CP |
| 廠商： | FUJI ELECTRIC CO LTD |
| 元件分類： | 穩(wěn)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(shù)： | 2/5頁 |
| 文件大小： | 61K |
| 代理商： | FA7630CP |
FA7630CP(E)
2
I
Electrical characteristics
(Ta=25
°
C, V
CC
=6V, C
T
=180pF, R
T
=47k
)
Reference voltage section
Item
Symbol
V
REF
L
INE
Test condition
I
OR
= 1mA
V
CC
= 5.0 to 20V
I
OR
=1mA
I
OR
= 0.1 to 1mA
Ta = –20 to +25
°
C
Ta = +25 to +85
°
C
Min.
Typ.
Max.
Unit
Output voltage
2.450
2.520
2.580
V
Line regulation
5
20
mV
Load regulation
L
OAD
V
TC1
V
TC2
30
50
mV
Output voltage variation due to temperature change
–1
1
%
–1
1
%
I
Absolute maximum ratings
Item
Symbol
V
CC
I
OUT
P
d
T
J
T
opr
T
stg
Rating
Unit
Maximum supply voltage
22
±
500
650
V
Maximum output current
mA
Maximum power dissipation
mW
°
C
°
C
°
C
Junction temperature
125
Operating temperature
–20 to +85
Storage temperature
–40 to +150
I
Recommended operating conditions
Item
Symbol
V
CC
R
NF
C
T
R
T
f
OSC
Min.
Max.
Unit
Supply voltage
5
20
V
k
pF
k
Feedback resistance
100
Oscillator timing capacitance
50
2200
Oscillator timing resistance
24
100
Oscillation frequency
50
500
kHz
Oscillation and synchronizing circuit section
Item
Symbol
f
OSC
f
dV
f
dT
V
SYH
V
SYL
V
SD
I
SYNC
Test condition
C
T
=180pF,
R
T
=47k
V
CC
= 3.6 to 20V
Ta = –20 to +85
°
C
Min.
Typ.
Max.
Unit
Oscillation frequency
74
83
92
kHz
Frequency variation(due to supply voltage change)
1
%
Frequency variation(due to temperature change)
5
%
H level of synchronizing signal
1.5
1.8
V
L level of synchronizing signal
0.8
1.1
V
Cutoff level of synchronizing signal
0.4
V
μ
A
Bias current of synchronizing signal
V
SYNC
=1.6V
5
Error amplifier section (Ch.1)
Item
Symbol
V
B
I
B
A
VO
f
T
V
OH
V
OL
I
OH
Test condition
Min.
Typ.
Max.
Unit
Reference voltage
0.769
0.793
0.817
V
Input bias current
5
100
nA
Open-loop voltage gain
60
dB
Unity-gain bandwidth
1
MHz
H state output voltage
No load
2.10
V
L state output voltage
No load
V
OH
=1V
300
mV
μ
A
Output source current
40
55
100
Error amplifier section (Ch.2)
Item
Symbol
V
IO
I
B
V
COM
A
VO
f
T
V
OH
V
OL
I
OH
Test condition
Min.
Typ.
Max.
Unit
Input offset voltage
2
10
mV
Input bias current
5
100
nA
Common-mode input voltage
0
1.0
V
Open-loop voltage gain
70
dB
Unity-gain bandwidth
1.0
MHz
H state output voltage
No load
2.10
V
L state output voltage
No load
V
OH
=1V
300
mV
μ
A
Output source current
50
65
200
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