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參數(shù)資料
| 型號(hào)： | FA3686V |
| 英文描述： | SMPS Controller |
| 中文描述： | 開關(guān)電源控制器 |
| 文件頁(yè)數(shù)： | 4/18頁(yè) |
| 文件大?。?/td> | 389K |
| 代理商： | FA3686V |
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FA3686V
4
PGS section (VCC, PGS pin)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Threshold voltage of VCC
V
PGS
V
CC
decreasing
2.15
2.25
2.35
V
Hysteresis voltage
V
PGS
V
CC
increasing
0.10
V
VPGS variation with temperature
V
PGS_TC1
Ta=
–
30 to +85
C
±1
%
On resistance
R
PGS
V
CC
=2.2V, I
PGS
=10mA
50
100
*
1
The latched mode operates when the voltage of FB1 or FB3 exceeds the threshold voltage as shown in the table.
*
2
The latched mode operates when the FB2 voltage falls below the threshold voltage as shown in the table.
*
3
The timer latch of FB1 is disabled when the CS1 voltage is below the threshold voltage as shown in the table.
*
4
The timer latch of FB2 is disabled when the CS2 voltage is above the threshold voltage as shown in the table.
Under voltage lockout circuit section (VCC pin)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
ON threshold voltage of VCC
V
UVLO
2.0
2.2
2.35
V
Hysteresis voltage
V
UVLO
0.1
V
Timer latch protection section (TL pin)
Item
Symbol
Test condition
*
1
*
2
*
1
*
3
*
4
Min.
Typ.
Max.
Unit
Threshold voltage of FB1
V
THFB1TL
1.5
2.0
V
Threshold voltage of FB2
V
THFB2TL
0.2
0.6
V
Threshold voltage of FB3
V
THFB3TL
1.5
2.0
V
Threshold voltage of CS1
V
VTHCS1TL
0.2
0.6
V
Threshold voltage of CS2
V
VTHCS2TL
1.5
2.0
V
TL pin voltage for counting 16th stage
V
TL16
0
0.2
V
TL pin voltage counting 17th stage
V
TL17
V
REG
–
0.2
V
REG
V
* The
“
x
”
of OUTx refers to 1, 2.
Output section (OUT1, OUT2 pin)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
ns
High side on resistance of OUT1/2
R
ONHI
I
OUTx
=-50mA *
10
20
I
OUTx
=-50mA, V
CC
=5V *
9
I
OUTx
=-50mA, V
CC
=15V *
8
Low side on resistance of OUT1/2
R
ONLO
I
OUTx
=50mA *
5
10
I
OUTx
=50mA, V
CC
=5V *
5
I
OUTx
=50mA, V
CC
=15V *
5
Rise time of OUT1/2
t
RISE
C
L
=1000pF
25
Fall time of OUT1/2
t
FALL
C
L
=1000pF
40
ns
Overall section
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Supply current
I
CCA
Ch.1, Ch.2 operating mode
3.0
4.0
mA
I
CCA1
Ch.1, Ch.2 off mode
2.5
mA
I
CCA2
Ch.1, Ch.2 operating mode, V
CC
=18V
3.5
mA
I
CCA3
Latch mode
2.5
mA
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