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参数资料
| 型号： | FA3675F |
| 元件分类： | 稳压器 |
| 英文描述： | 0.2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQFP48 |
| 封装： | LQFP-48 |
| 文件页数： | 4/8页 |
| 文件大小： | 108K |
| 代理商： | FA3675F |
FA3675F
125
Oscillator section
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Oscillation frequency
fOSC
RT=10k
, CT=100pF
432
480
528
kHz
Frequency variation due to supply voltage change
fdV
VCC=2.5 to 18V
±1
±3%
Frequency variation due to temperature change
fdT
Ta=–20 to +25
°C
±3
±6%
Ta=+25 to +85
°C
±7
±14
Error amplifier section
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Input offset voltage
VIOF
210
mV
Input common mode voltage range
VICOM
0.2
1.5
V
Open-loop gain
AVOL
70
75
dB
Unity-gain bandwidth
fT
1.0
MHz
Output sink current
IFBL
VFB=VREF +0.05V
2.5
3.5
mA
Output source current
IFBH
VFB=VREF -0.05V
–0.18
–0.14
mA
Soft-start circuit section 1 (CS1, CS2, CS3)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Input threshold voltage
VCSO
Duty cycle=0%
0.36
0.46
0.56
V
VCS100
Duty cycle=100%
1.11
1.31
1.51
V
Charge current
ICS
VCS=0V
–7.5
–5.0
–2.5
A
Soft-start circuit section 2 (CS4, CS5)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Input threshold voltage
VCSO
Duty cycle=0%
0.36
0.46
0.56
V
VCS100
Duty cycle=100%
1.11
1.31
1.51
V
Charge current
ICS
0
A
s Electrical characteristics (Ta=25
°C, Vcc1=Vcc2=6V, CT=100pF, RT=10k)
Reference voltage section
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Output voltage
VREF
No load
0.99
1.00
1.01
V
Load regulation
VRFLOD
No load to RL=15k
715
mV
Line regulation
VRFLIN
VCC=2.5 to 18V
3
10
mV
Output voltage variation due to temperature change
VRTa
Ta=–20 to +85
°C
±0.5
±1.0
%
Regulated voltage section
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Output voltage
VREG
No load
2.134
2.20
2.266
V
Load regulation
VRG LOD
No load to RL=3.9k
210
mV
Line regulation
VRG LIN
VCC=2.5 to 18V
6
20
mV
Output voltage variation due to temperature change
VRGTa
Ta=–20 to +85
°C
±0.5
±1.0
%
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