參數(shù)資料
型號: TPS2343DDPG3
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 6-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO80
封裝: GREEN, PLASTIC, HTSSOP-80
文件頁數(shù): 41/42頁
文件大小: 942K
代理商: TPS2343DDPG3
TPS2343
SLUS644B FEBRUARY 2005 MAY 2005
8
www.ti.com
ELECTRICAL CHARACTERISTICS,
P12VIN = 12 V, DIGVCC = 3.3 V, M12VIN = 12 V, 3VAUXIN = 3.3 V, V5IN = 5 V, RMISET = 6.04 k
, all outputs
unloaded, TA = 40_C to 85_C, (unless otherwise noted) (1)(2)(3)
VIO Supply
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
15VG, 3VIOG output voltage high
11.5
11.9
V
VIOS – VIOIS overcurrent threshold
(1.5 V operation)
20.0
23.5
27.0
mV
15VIOG, 3VIOG turn-off resistance
PWREN = low, 0.1 V < VVIOG,
VVIOG < 0.5 V
10
50
100
VIOS input bias current
PWREN = high, VIOSEL = low, test circuit
Figure 7
100
20
100
A
VIOIS input bias current
PWREN = high, VIOSEL = low, test circuit
Figure 7
100
20
200
A
VIOIS bleed current
PWREN = low, VIOIS =1.5 V
8
20
mA
VIOIS low comparator threshold
PWREN = low
0.075
0.100
0.150
VIOIS fault threshold
1.275
1.325
1.375
V
15VIOG low voltage
PWREN = low
0.1
1.0
V
15VIOG, 3VIOG gate charge current
7
10
13
A
Power Fault Response
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Overcurrent fault detection time
12 V
2
6.5
Overcurrent fault detection time
12 V, i = 250 mA
4
12
s
Overcurrent response time to regulate
5 V, 3.3 V, Vio
1
3
s
Overcurrent fault detection time
5 V, 3.3 V, Vio
3
8
ms
Overcurrent fault clearing time
5 V, 3.3 V, Vio
50
150
s
NOTES: (1) All voltages are with respect to DIGGND unless otherwise stated.
(2) Currents are positive into and negative out of the specified terminal.
(3) When references to lines of individual slots are given without the slot identifier, the statement applies to lines on each slot.
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