參數(shù)資料
型號(hào)： TPS2340APFPRG4
廠(chǎng)商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 電源管理
英文描述： 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP80
封裝： GREEN, PLASTIC, HTQFP-80
文件頁(yè)數(shù)： 12/29頁(yè)
文件大?。?/td> 578K
代理商： TPS2340APFPRG4
TPS2340A
SLUS528A MARCH 2002 REVISED AUGUST 2002
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 85°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 1: All voltages are respect to DGND.
electrical characteristics over recommended operating temperature range, P12VINA = P12VINB =
12 V, V5IN = 5 V, DIGVCC = 3.3 V, M12VINA = M12VINB = 12 V, 3VAUXI = 3.3 V, all outputs unloaded,
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
43
53
63
mV
5VISA, 5VISB voltage fault threshold
After P12VG and 5V3VG good
4.16
4.65
4.92
V
5VISA, 5VISB voltage fault minimum captured pulse
75
135
ns
5VSA input bias current
PWRENx = high
100
A
5VISA, 5VISB input bias current
PWRENx = high
100
250
500
A
5VISA, 5VISB bleed current
PWRENx = low,
5VISx = 5 V
5
10
20
mA
3VOC Input threshold voltage
ROCSET = 6.04 k
53
63
72
mV
3VISA, 3VISB voltage fault threshold
After P12VG and 5V3VG good
2.64
2.86
3.08
V
3VISA, 3VISB voltage fault minimum captured pulse
time
75
135
ns
3VSA, 3VSB input bias current
PWRENx = high
100
A
3VISA, 3VISB input bias current
PWRENx = high
100
250
500
A
3VISA, 3VISB bleed current
PWRENx = low,
5VISx = 5 V
5
10
20
mA
5V3VGA, 5V3VGB charge current
25
20
14.5
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
3.5
s
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