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參數(shù)資料
| 型號： | FA5502 |
| 廠商： | FUJI ELECTRIC HOLDINGS CO., LTD. |
| 英文描述： | POWER SUPPLY CONTROL IC |
| 中文描述： | 電源控制IC |
| 文件頁數(shù)： | 7/23頁 |
| 文件大?。?/td> | 215K |
| 代理商： | FA5502 |
(3) Electrical Characteristics
(Unless otherwise specified, Vcc=Vc=18V, Ta=25°C, C
T
=470pF, R
T
=22k
)
Reference voltage section (REF pin)
Item
Symbol
Condition
Output voltage
V
REF
Line regulation
Vrdv
Vcc=10 to 28V
Load regulation
Vrdi
I
Load
=0.1 to 2mA
Temperature stability
Vrd
T
Ta=-30 to 105°C
Oscillator section (CT, SYNC pin)
Item
Symbol
Condition
C
T
=470pF,
R
T
=22k
, Ta=25°C
Voltage stability
fdv
Vcc=10 to 28V
Temperature stability
fd
T
Ta=-30 to +105°C
Output peak voltage
V
OSC
Synchronizing input
threshold voltage
SYNC pin input current
I
SYNC
SYNC pin=2V
Pulse width modulation circuit section (OUT pin)
Item
Symbol
Condition
Maximum duty cycle
D
MAX
Overcurrent limiter circuit section (IDET pin)
Item
Symbol
Condition
Input threshold voltage
V
THOCP
IDET pin voltage
Delay time
Tpd
OCP
Soft start circuit section (CS pin)
Item
Symbol
Condition
Charge current
I
CHG
CS pin=0V
V
THCS0
Dutycycle=0%
Input threshold voltage
V
THCSM
Dutycycle=D
MAX
Output ON/OFF control circuit section (ON/OFF pin)
Item
Symbol
Condition
On-state input current
I
THON
ON/OFF pin=V
THON
V
THON
OFF
→
ON
ON/OFF control
threshold voltage
V
THOFF
ON
→
OFF
Voltage error amplifier section (VIN-, VFB pin)
Item
Symbol
Condition
Reference voltage
Vr
Line regulation
Vredv
Vcc=10 to 28V
Temperature stability
Vred
T
Ta=-30 to 105°C
Input bias current
I
BE
Open loop gain
Ave
V
OE+
No load
Output voltage
V
OE-
No load
Output source current
I
OE+
VFB pin=0V
Output sink current
I
OE-
VFB pin=2V
7
Quality is our message
FA5502P/M
MIN
4.8
-50
TYP
5
-25
±0.5
MAX
5.2
±25
Unit
V
mV
mV
mV/°C
MIN
TYP
MAX
Unit
Oscillation frequency
f
OSC
71
78
85
kHz
±1
±0.04
3.4
±3
±0.07
%
%/°C
V
V
THSYNC
SYNC pin voltage
1.0
1.5
2.0
V
μA
75
125
175
MIN
91
TYP
94
MAX
97
Unit
%
MIN
-1.20
TYP
-1.10
150
MAX
-1.00
Unit
V
ns
MIN
TYP
-11
0.34
3.40
MAX
Unit
μA
V
V
MIN
3.55
2.40
TYP
3.95
2.80
MAX
±500
4.35
3.20
Unit
nA
V
V
MIN
1.519
60
3.7
TYP
1.550
±0.5
±0.2
4.1
50
-2.8
280
MAX
1.581
±500
200
Unit
V
mV
mV/°C
nA
dB
V
mV
mA
μA
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