FA5502 데이터 시트보기 (PDF) - Fuji Electric
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FA5502 Datasheet PDF : 23 Pages
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FA5502P/M
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(3) Electrical Characteristics (Unless otherwise specified, Vcc=Vc=18V, Ta=25°C, CT=470pF, RT=22kΩ)
Reference voltage section (REF pin)
Item
Symbol
Condition
MIN
Output voltage
VREF
4.8
Line regulation
Vrdv
Vcc=10 to 28V
Load regulation
Vrdi
ILoad=0.1 to 2mA
-50
Temperature stability
VrdT
Ta=-30 to 105°C
Oscillator section (CT, SYNC pin)
Item
Symbol
Condition
MIN
Oscillation frequency
Voltage stability
fOSC
fdv
CT=470pF,
RT=22kΩ, Ta=25°C
71
Vcc=10 to 28V
Temperature stability
fdT
Ta=-30 to +105°C
Output peak voltage
VOSC
Synchronizing input
threshold voltage
VTHSYNC SYNC pin voltage
1.0
SYNC pin input current
ISYNC
SYNC pin=2V
75
Pulse width modulation circuit section
Item
Symbol
Maximum duty cycle
DMAX
(OUT pin)
Condition
Overcurrent limiter circuit section (IDET pin)
Item
Symbol
Condition
Input threshold voltage
Delay time
VTHOCP
TpdOCP
IDET pin voltage
MIN
91
MIN
-1.20
Soft start circuit section (CS pin)
Item
Symbol
Condition
MIN
Charge current
ICHG
CS pin=0V
Input threshold voltage
VTHCS0
VTHCSM
Dutycycle=0%
Dutycycle=DMAX
Output ON/OFF control circuit section
Item
Symbol
On-state input current
ITHON
ON/OFF control
VTHON
threshold voltage
VTHOFF
(ON/OFF pin)
Condition
ON/OFF pin=VTHON
OFF→ON
ON→OFF
MIN
3.55
2.40
Voltage error amplifier section (VIN-, VFB pin)
Item
Symbol
Condition
Reference voltage
Vr
Line regulation
Vredv
Vcc=10 to 28V
Temperature stability
VredT
Ta=-30 to 105°C
Input bias current
IBE
Open loop gain
Ave
Output voltage
Output source current
Output sink current
VOE+
VOE-
IOE+
IOE-
No load
No load
VFB pin=0V
VFB pin=2V
MIN
1.519
60
3.7
TYP
5
-25
±0.5
TYP
78
±1
±0.04
3.4
1.5
125
TYP
94
TYP
-1.10
150
TYP
-11
0.34
3.40
TYP
3.95
2.80
TYP
1.550
±0.5
±0.2
4.1
50
-2.8
280
MAX
5.2
±25
MAX
85
±3
±0.07
2.0
175
MAX
97
MAX
-1.00
MAX
MAX
±500
4.35
3.20
MAX
1.581
±500
200
Unit
V
mV
mV
mV/°C
Unit
kHz
%
%/°C
V
V
µA
Unit
%
Unit
V
ns
Unit
µA
V
V
Unit
nA
V
V
Unit
V
mV
mV/°C
nA
dB
V
mV
mA
µA
7
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