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参数资料
| 型号： | TPS2115PW |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | GREEN, PLASTIC, TSSOP-8 |
| 文件页数： | 18/22页 |
| 文件大小： | 503K |
| 代理商： | TPS2115PW |
www.ti.com
TPS2114
TPS2115
SLVS447A – DECEMBER 2002 – REVISED MARCH 2004
ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range (unless otherwise noted)
TPS2115
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
UNDERVOLTAGE LOCKOUT
Falling edge
1.15
1.25
IN1 and IN2 UVLO
V
Rising edge
1.30
1.35
IN1 and IN2 UVLO hysteresis(2)
30
57
65
mV
Falling edge
24
2.53
Internal VDD UVLO (the higher of IN1 and IN2)
V
Rising edge
2.58
2.8
Internal VDD UVLO hysteresis
(2)
30
50
75
mV
UVLO deglitch for IN1, IN2(2)
Falling edge
110
s
REVERSE CONDUCTION BLOCKING
D0 = D1 = high, VI(INx) = 3.3 V. Connect OUT to a 5
Minimum output-to-input voltage
V supply through a series 1-k
resistor. Let
V
O(I_block)
80
100
120
mV
difference to block switching
D0 = low. Slowly decrease the supply voltage until
OUT connects to IN1.
THERMAL SHUTDOWN
Thermal shutdown threshold(2)
TPS211x is in current limit.
135
Recovery from thermal shutdown(2)
TPS211x is in current limit.
125
°C
Hysteresis(2)
10
IN2-IN1 COMPARATORS
Hysteresis of IN2-IN1 comparator
0.1
0.2
V
Deglitch of IN2-IN1 comparator, (both
↑↓ )(2)
90
150
220
s
STAT OUTPUT
Leakage current
VO(STAT) = 5.5 V
0.01
1
A
Saturation voltage
II(STAT) = 2 mA, IN1 switch is on
0.13
0.4
V
Deglitch time (falling edge only)
150
s
(2)
Not tested in production.
5
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