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参数资料
| 型号： | TPS2311IPW |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20 |
| 封装： | PLASTIC, TSSOP-20 |
| 文件页数： | 21/24页 |
| 文件大小： | 644K |
| 代理商： | TPS2311IPW |
www.ti.com
(1)
Test IO of ENABLE at VI(ENABLE) = 1 V and 0 V, then RI(ENABLE) =
1 V
I
O_0V * IO_1V
ELECTRICAL CHARACTERISTICS (Continued)
SLVS275G – FEBRUARY 2000 – REVISED NOVEMBER 2006
over recommended operating temperature range (–40
°C < T
A < 85°C), 3 V ≤ VI(IN1) ≤ 13 V, 3 V ≤ VI(IN2) ≤ 5.5 V (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TIMER
V(TO_TIMER)
Threshold voltage, TIMER
0.4
0.5
0.6
V
Charge current, TIMER
VI(TIMER) = 0 V
35
50
65
A
Discharge current, TIMER VI(TIMER) = 1 V
1
2.5
mA
CIRCUIT BREAKER
RISETx = 1 k
40
50
60
RISETx = 400 , TA = 25°C
14
19
24
Threshold voltage, circuit
VIT(CB)
mV
breaker
RISETx = 1 k, TA = 25°C
44
50
53
RISETx = 1.5 k, TA = 25°C
68
73
78
I(IB_ISENSEx)
Input bias current, ISENSEx
0.1
5
A
VO(GATEx) = 4 V
400
800
Discharge current,
mA
GATEx
VO(GATEx) = 1 V
25
150
Propagation (delay) time,
Cg = 50 pF,
10 mV overdrive,
tpd(CB)
comparator inputs to gate
1.3
s
(50% to 10%),
CTIMER = 50 pF
output
ENABLE, ACTIVE LOW (TPS2310)
High-level input voltage,
VIH(ENABLE)
2
V
ENABLE
Low-level input voltage,
VIL(ENABLE)
0.8
V
ENABLE
Input pullup resistance,
RI(ENABLE)
See (1)
100
200
300
k
ENABLE
Turnoff delay time,
VI(ENABLE) increasing above stop threshold;
td(off_ENABLE)
60
s
ENABLE
100 ns rise time, 20 mV overdrive(2)
Turnon delay time,
VI(ENABLE) decreasing below start threshold;
td(on_ENABLE)
125
s
ENABLE
100 ns fall time, 20 mV overdrive(2)
ENABLE, ACTIVE HIGH (TPS2311)
High-level input voltage,
VIH(ENABLE)
2
V
ENABLE
Low-level input voltage,
VIL(ENABLE)
0.7
V
ENABLE
Input pulldown resistance,
RI(ENABLE)
100
150
300
k
ENABLE
Turnon delay time,
VI(ENABLE) increasing above start threshold;
td(on_ENABLE)
85
s
ENABLE
100 ns rise time, 20 mV overdrive(2)
Turnoff delay time,
VI(ENABLE) decreasing below stop threshold;
td(off_ENABLE)
100
s
ENABLE
100 ns fall time, 20 mV overdrive (2)
PREREG
V(VREG)
PREREG output voltage
4.5
≤ V
I(IN1) ≤ 13 V
3.5
4.1
5.5
V
V(drop_PREREG)
PREREG dropout voltage
VI(IN1) = 3 V
0.1
V
(2)
Specified, but not production tested.
6
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