參數(shù)資料
型號(hào): TPS2114APW
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: GREEN, PLASTIC, TSSOP-8
文件頁數(shù): 21/27頁
文件大?。?/td> 574K
代理商: TPS2114APW
SBVS044E
– MARCH 2004 – REVISED APRIL 2011
PACKAGE DISSIPATION RATINGS
DERATING FACTOR
TA ≤ 25°C POWER
TA = 70°C POWER
TA = 85°C POWER
PACKAGE
ABOVE TA = 25°C
RATING
TSSOP-8 (PW)
3.9 mW/
°C
387 mW
213 mW
155 mW
SON-8 (DRB)
25.0 mW/
°C
2.50 W
1.38 W
1.0 W
RECOMMENDED OPERATING CONDITIONS
MIN
NOM
MAX
UNIT
VI(IN2) ≥ 2.8 V
1.5
5.5
V
Input voltage at IN1, VI(IN1)
VI(IN2) < 2.8 V
2.8
5.5
V
VI(IN1) ≥ 2.8 V
1.5
5.5
V
Input voltage at IN2, VI(IN2)
VI(IN1) < 2.8 V
2.8
5.5
V
Input voltage, VI(DO), VI(D1)
0
5.5
V
TPS2114A
0.31
0.75
A
Current limit adjustment range, IO(OUT)
TPS2115A
0.63
1.25
A
Operating virtual junction temperature, TJ
–40
125
°C
ELECTRICAL CHARACTERISTICS: POWER SWITCH
Over recommended operating junction temperature range, VI(IN1) = VI(IN2) = 5.5 V, and RILIM = 400 Ω, unless otherwise noted.
TPS2114A
TPS2115A
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
TJ = 25°C, IL = 500 mA, VI(IN1) = VI(IN2) = 5.0 V
120
140
84
110
m
Ω
TJ = 25°C, IL = 500 mA, VI(IN1) = VI(IN2) = 3.3 V
120
140
84
110
m
Ω
TJ = 25°C, IL = 500 mA, VI(IN1) = VI(IN2) = 2.8 V
120
140
84
110
m
Ω
Drain-source on-state
rDS(on)
(1)
resistance (INx
OUT)
TJ = 125°C, IL = 500 mA, VI(IN1) = VI(IN2) = 5.0 V
220
150
m
Ω
TJ = 125°C, IL = 500 mA, VI(IN1) = VI(IN2) = 3.3 V
220
150
m
Ω
TJ = 125°C, IL = 500 mA, VI(IN1) = VI(IN2) = 2.8 V
220
150
m
Ω
(1)
The TPS211xA can switch a voltage as low as 1.5 V as long as there is a minimum of 2.8 V at one of the input power pins. In this
specific case, the lower supply voltage has no effect on the IN1 and IN2 switch on-resistances.
Copyright
2004–2011, Texas Instruments Incorporated
3
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