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參數(shù)資料
| 型號： | FA3675F |
| 廠商： | FUJI ELECTRIC CO LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | For Switching Power Supply Control |
| 中文描述： | 0.2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQFP48 |
| 封裝： | LQFP-48 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大小： | 108K |
| 代理商： | FA3675F |
FA3675F
125
Oscillator section
Item
Symbol
f
OSC
f
dV
f
dT
Test condition
R
T
=10k
,
C
T
=100pF
V
CC
=2.5 to 18V
T
a
=–20 to +25
°
C
T
a
=+25 to +85
°
C
Min.
Typ.
Max.
Unit
Oscillation frequency
432
480
528
kHz
Frequency variation due to supply voltage change
±
1
±
3
±
7
±
3
±
6
±
14
%
Frequency variation due to temperature change
%
Error amplifier section
Item
Symbol
V
IOF
V
ICOM
A
VOL
f
T
I
FBL
I
FBH
Test condition
Min.
Typ.
Max.
Unit
Input offset voltage
2
10
mV
Input common mode voltage range
0.2
1.5
V
Open-loop gain
70
75
dB
Unity-gain bandwidth
1.0
MHz
Output sink current
V
FB
=
V
REF
+0.05V
V
FB
=
V
REF
-0.05V
2.5
3.5
mA
Output source current
–0.18
–0.14
mA
Soft-start circuit section 1
(CS1, CS2, CS3)
Item
Symbol
V
CSO
V
CS100
I
CS
Test condition
Min.
Typ.
Max.
Unit
Input threshold voltage
Duty cycle=0%
0.36
0.46
0.56
V
Duty cycle=100%
V
CS
=0V
1.11
1.31
1.51
V
μ
A
Charge current
–7.5
–5.0
–2.5
Soft-start circuit section 2
(CS4, CS5)
Item
Symbol
V
CSO
V
CS100
I
CS
Test condition
Min.
Typ.
Max.
Unit
Input threshold voltage
Duty cycle=0%
0.36
0.46
0.56
V
Duty cycle=100%
1.11
1.31
1.51
V
μ
A
Charge current
0
I
Electrical characteristics
(Ta=25
°
C, Vcc
1
=Vcc
2
=6V, C
T
=100pF, R
T
=10k
)
Reference voltage section
Item
Symbol
V
REF
V
RFLOD
V
RFLIN
V
RTa
Test condition
Min.
Typ.
Max.
Unit
Output voltage
No load
No load to R
L
=15k
V
CC
=2.5 to 18V
T
a
=–20 to +85
°
C
0.99
1.00
1.01
V
Load regulation
7
15
mV
Line regulation
3
±
0.5
10
±
1.0
mV
Output voltage variation due to temperature change
%
Regulated voltage section
Item
Symbol
V
REG
V
RG LOD
V
RG LIN
V
RGTa
Test condition
Min.
Typ.
Max.
Unit
Output voltage
No load
2.134
2.20
2.266
V
Load regulation
No load to R
L
=3.9k
V
CC
=2.5 to 18V
T
a
=–20 to +85
°
C
2
10
mV
Line regulation
6
±
0.5
20
±
1.0
mV
Output voltage variation due to temperature change
%
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