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參數(shù)資料
| 型號(hào)： | FA5515P |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | CMOS IC For Switching Power Supply Control |
| 中文描述： | CMOS集成電路開關(guān)電源控制 |
| 文件頁數(shù)： | 3/22頁 |
| 文件大小： | 259K |
| 代理商： | FA5515P |
FA551X
3
■
Electrical characteristics
(V
CC
=18V, R
T
=47k
, Ta=25C)
Reference voltage section (REF pin)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Reference voltage
V
REF
Tj=25C
4.75
5.00
5.25
V
Line regulation
V
dv1
V
CC
=10 to 28V
±6
±20
mV
Load regulation
V
dv2
I
L
=0 to 10mA, V
CC
=18V
–40
–12
mV
Temperature stability
V
dT
Ta=–30 to 85C
±0.5
mV/C
Oscillator section (RT pin)
Item
Symbol
Test condition
R
T
=47k
, Tj=25C
V
CC
=10 to 28V
Min.
Typ.
Max.
Unit
Oscillation frequency
f
OSC
92.6
100
107.4
kHz
Voltage stability
f
dv
±1.0
%
Temperature stability
f
dT
Ta=–30 to 85C
±0.02
%/C
Pulse width modulation circuit section (FB pin)
Item
Symbol
Test condition
FA5510/14
FA5511/15
Unit
Min.
Typ.
Max.
Min.
Typ.
Max.
FB pin source current
I
FB
V
TH FB0
V
TH FBM
D
MAX
V
FB
=0
Duty cycle =0%
Duty cycle =
D
MAX
–855
–720
–585
–855
–720
–585
μA
Input threshold voltage (FB pin)
0.9
1
0.9
1
V
1.92
2.40
V
Maximum duty cycle
42
46
50
66
70
74
%
Overcurrent limiting circuit section (IS pin)
Item
Symbol
Test condition
FA5510/11
FA5514/15
Unit
Min.
Typ.
Max.
Min.
Typ.
Max.
Input threshold voltage (IS pin)
V
THIS
220
240
260
–190
–170
–150
mV
Source current (IS pin)
I
IS
V
IS
=0V
±5
–28
–20
–12
μA
Delay time
t
pdIS
150
150
ns
Output ON/OFF control circuit section (CS pin)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Source current (CS pin)
I
S0CS
V
CS
=0V, Tj=25C
OFF
→
ON, Tj=25C
ON
→
OFF, Tj=25C
–7.2
–5.2
–3.2
μA
ON/OFF control threshold voltage (CS pin)
V
THON
0.8
0.93
V
V
THOFF
0.50
0.68
V
Hysteresis voltage
V
THOHS
0.12
V
Soft start circuit section (CS pin)
Item
Symbol
Test condition
FA5310/14
FA5311/15
Unit
Min.
Typ.
Max.
Min.
Typ.
Max.
Charge current (CS pin)
I
CHG
V
TH CS0
V
TH CSM
V
CS
=1V, Tj=25C –7.2
–5.2
–3.2
–7.2
–5.2
–3.2
μA
Input threshold voltage (CS pin)
Duty cycle =0%
Duty cycle =
D
MAX
0.90
1.0
0.90
1.0
V
1.92
2.40
V
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