參數(shù)資料
型號： TPS2341PHPR
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 4-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP48
封裝： POWERPAD, HTQFP-48
文件頁數(shù)： 12/31頁
文件大?。?/td> 649K
代理商： TPS2341PHPR
TPS2341
SLUS513A MAY 2003 REVISED JULY 2004
2
www.ti.com
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Input voltage range:
P12VIN
0.5 V to 15 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
M12VIN
15.0 V to 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
All others
0.5 V to 6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage range:
P12VO, 5V3VG
0.5 V to VP12VIN +0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
P12VG
0.5 V to 28 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
M12VO, M12VG
VM12VIN0.5 V to 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output current pulse:
P12VO (DC internally limited)
4 A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
M12VO
0.8 A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating virtual temperature range, TJ
40
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
55
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE: All voltages are respect to DGND.
electrical characteristics over recommended operating temperature range, P12VINA = P12VINB =
12 V, V5IN = 5 V, V3IN = 3.3 V, DIGVCC = 3.3 V, M12VINA = M12VINB = 12 V, 3VSTBYIN = 3.3 V, all
outputs unloaded, 40
°C to 85°C, TA = TJ (unless otherwise noted)
5-V/3.3-V Supply
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
5VOC input threshold voltage
ROCSET = 6.04 k,
TA = TJ = 25°C
35
42
49
mV
5VOC Input threshold voltage
ROCSET = 6.04 k
34
42
49
mV
3VOC Input threshold voltage
ROCSET = 6.04 k,
TA = TJ = 25°C
41
52
60
mV
3VOC input threshold voltage
ROCSET = 6.04 k
37
52
62
mV
5VISA, 5VISB voltage fault threshold
After P12VG and 5V3VG good
4.3
4.65
4.86
V
5VISA, 5VISB voltage fault minimum captured pulse
75
100
ns
5VSA, 5VSB input bias current
PWRENx = high
100
A
5VISA, 5VISB input bias current
PWRENx = high
250
A
5VISA, 5VISB bleed current
PWRENx = low,
5VISx = 5 V
5
10
20
mA
3VISA, 3VISB voltage fault threshold
After P12VG and 5V3VG good
2.70
2.86
3.05
V
3VISA, 3VISB voltage fault minimum captured pulse
time
75
100
ns
3VSA, 3VSB input bias current
PWRENx = high
100
A
3VISA, 3VISB input bias current
PWRENx = high
250
A
3VISA, 3VISB bleed current
PWRENx = low,
3VISx = 3.3 V
5
10
20
mA
5V3VGA, 5V3VGB charge current
14
20
25
A
5V3VGA, 5V3VGB discharge current
200
mA
5V3VGA, 5V3VGB good threshold
P12VIN = 12V
9.5
11
11.5
V
5V3VGA, 5V3VGB turn-off time
C5V3VG = 0.022 F,
5V3VG falling from 90% to 10%
1
s
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