參數(shù)資料
型號： TPS2340APFPRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP80
封裝： GREEN, PLASTIC, HTQFP-80
文件頁數(shù)： 25/29頁
文件大?。?/td> 578K
代理商： TPS2340APFPRG4
TPS2340A
SLUS528A MARCH 2002 REVISED AUGUST 2002
5
www.ti.com
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) (continued)
dc electrical characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input threshold voltage (SIL, SOC, SIDI, SORR,
SORLC, TEST, M66EN, SOLC, SOR, SODI, SIC)
0.8
1.4
2.0
Highlevel input threshold voltage (SWA, SWB,
BUTTONA, BUTTONB, PRSNT1A, PRSNT2A,
PRSNT1B, PRSNT2B, PGOOD)
2.0
2.4
2.8
Low-level input threshold voltage (SWA, SWB,
BUTTONA, BUTTONB, PRSNT1A, PRSNT2A,
PRSNT1B, PRSNT2B)
0.8
1.2
1.6
Low-level input threshold voltage (PGOOD)
0.1
0.4
0.8
V
Input hysteresis (SWA, SWB, BUTTONA, BUTTONB,
PRSNT1A, PRSNT2A, PRSNT1B, PRSNT2B)
0.4
1.0
1.6
V
Input hysteresis (PGOOD)
1.5
2.0
2.5
High-level output voltage (BUSENA, BUSENB)
IL = 8 mA
2.4
2.8
Low-level output voltage (BUSENA, BUSENB)
IL = 16 mA
0.2
0.5
Low-level output voltage (PWRLEDA, PWRLEDB,
ATTLEDA, ATTLEDB)
IL = 24 mA
0.4
0.8
Low-level output voltage (all other outputs)
IL = 4 mA
0.2
0.5
3.3 V pull-up resistor impedance
(inputs pulled up to 3.3 V)
30
200
5 V pull-up resistor impedance (inputs pulled up to 5 V)
30
200
Pull-down resistor impedance (inputs with pull-down)
30
200
k
PCIXCAPA, PCIXCAPB resistor for 133 MHz
Open circuit recommended
30
k
PCIXCAPA, PCIXCAPB resistor for 66 MHz
10 k
connection to DIGGND recommended
6
14
PCIXCAPA, PCIXCAPB resistor for 33 MHz
0 k
connection to DIGGND recommended
1
recommended operating conditions
MIN
MAX
UNIT
Input voltage, P12VINA, P12VINB
10.8
13.2
Input voltage, V5IN
4.75
5.25
Input voltage, DIGVCC
3.1
3.5
V
Input voltage, M12VINA, M12VINB
13.2
10.8
V
Input voltage, 3VAUXI
3.1
3.5
Load current, PWRLEDA, PWRLEDB, ATTLEDA, ATTLEDB
0
24
Load current, P12VOA, P12VOB
0
500
mA
Load current, M12VOA, M12VOB
0
100
mA
Load current, 3VAUXA, 3VAUXB
0
375
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