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参数资料
| 型号： | L99PD08 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 电源管理 |
| 英文描述： | POWER SUPPLY MANAGEMENT CKT, PQFP32 |
| 封装： | ROHS COMPLIANT, LQFP-32 |
| 文件页数： | 14/41页 |
| 文件大小： | 750K |
| 代理商： | L99PD08 |
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L99PD08
Electrical characteristics
Doc ID 15872 Rev 3
21/41
An external pull down of 10 kOhm is recommended to guarantee sufficient low level in case
of VDDIO is not connected.
Table 14.
Current sense diagnostic thresholds
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
IOPLD
Open-load detection current
threshold (1:1)
CFL = 1, OLOVL[1,0] = 0,0
3.5
5
6.5
A
CFL = 1, OLOVL[1,0] = 0,1
3.5
5
6.5
CFL = 1, OLOVL[1,0] = 1,0
6
10
13
CFL = 1, OLOVL[1,0] = 1,1
31
40
47
Open-load detection current
threshold (1:10)
CFL = 0, OLOVL[1,0] = 0,0
35
50
65
A
CFL = 0, OLOVL[1,0] = 0,1
35
50
65
CFL = 0, OLOVL[1,0] = 1,0
60
100
130
CFL = 0, OLOVL[1,0] = 1,1
310
400
470
IOVLD
Overload detection current
threshold (1:1)
CFL = 1, OLOVL[1,0] = 0,0
90
120
150
A
CFL = 1, OLOVL[1,0] = 0,1
190
240
290
CFL = 1, OLOVL[1,0] = 1,0
300
360
420
CFL = 1, OLOVL[1,0] = 1,1
490
600
720
Overload detection current
threshold (1:10)
CFL = 0, OLOVL[1,0] = 0,0
0.9
1.2
1.5
mA
CFL = 0, OLOVL[1,0] = 0,1
1.9
2.4
2.9
CFL = 0, OLOVL[1,0] = 1,0
3.0
3.6
4.2
CFL = 0, OLOVL[1,0] = 1,1
4.9
6.0
7.2
IOVTEMP
Over temperature
4.9
6.0
7.2
mA
Table 15.
LHOMEN and SYNC pin
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VOL
Output low voltage
Iout = 5 mA
-
0.4
V
VOH
Output high voltage
Iout = 5 mA
VDDIO
– 1.0
-V
VCLAMPP
Positive clamping voltage
7
-
10
V
VCLAMPN Negative clamping voltage
-20
-
-16
V
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