參數(shù)資料
型號: TPS2113ADRBR
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: 3 X 3 MM, PLASTIC, SON-8
文件頁數(shù): 21/27頁
文件大?。?/td> 714K
代理商: TPS2113ADRBR
www.ti.com
SBVS045B – MARCH 2004 – REVISED MARCH 2010
RECOMMENDED OPERATING CONDITIONS
TPS2112A, TPS2113A
MIN
NOM
MAX
UNIT
VI(IN2) ≥ 2.8 V
1.5
5.5
Input voltage at IN1, VI(IN1)
V
VI(IN2) < 2.8 V
2.8
5.5
VI(IN1) ≥ 2.8 V
1.5
5.5
Input voltage at IN2, VI(IN2)
V
VI(IN1) < 2.8 V
2.8
5.5
Input voltage: VI(EN), VI(VSNS)
0
5.5
V
TPS2112A
0.31
0.75
Current limit adjustment range, IO(OUT)
A
TPS2113A
0.63
1.25
Operating virtual junction temperature, TJ
–40
125
°C
ELECTRICAL CHARACTERISTICS: Power Switch
Over recommended operating junction temperature, RILIM = 400 Ω, unless otherwise noted.
TPS2112A
TPS2113A
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VI(IN1) = VI(IN2) = 5.0 V
120
140
84
110
TJ = 25°C,
VI(IN1) = VI(IN2) = 3.3 V
120
140
84
110
m
Ω
IL = 500 mA
Drain-source
VI(IN1) = VI(IN2) = 2.8 V
120
140
84
110
on-state
rDS(on)
(1)
resistance
VI(IN1) = VI(IN2) = 5.0 V
220
150
(INx
OUT)
TJ = 125°C,
VI(IN1) = VI(IN2) = 3.3 V
220
150
m
Ω
IL = 500 mA
VI(IN1) = VI(IN2) = 2.8 V
220
150
(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.
ELECTRICAL CHARACTERISTICS
Over recommended operating junction temperature, IO(OUT) = 0 A, and RILIM = 400 Ω, unless otherwise noted.
TPS2112A, TPS2113A
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
LOGIC INPUTS (EN)
High-level input voltage
VIH
2
V
Low-level input voltage
VIL
0.7
V
EN = High, sink current
1
Input current
mA
EN = Low, source current
0.5
1.4
5
SUPPLY AND LEAKAGE CURRENTS
VI(VSNS) = 1.5 V, EN = Low (IN1 active),
55
90
VI(IN1) = 5.5 V, VI(IN2) = 3.3 V
VI(VSNS) = 1.5 V, EN = Low (IN1 active),
1
12
VI(IN1) = 3.3 V, VI(IN2) = 5.5 V,
Supply current from IN1 (operating)
mA
VI(VSNS) = 0 V, EN = Low (IN2 active),
75
VI(IN1) = 5.5 V, VI(IN2) = 3.3 V
VI(VSNS) = 0 V, EN = Low (IN2 active),
1
VI(IN1) = 3.3 V, VI(IN2) = 5.5 V
VI(VSNS) = 1.5 V, EN = Low (IN1 active),
1
VI(IN1) = 5.5 V, VI(IN2) = 3.3 V
VI(VSNS) = 1.5 V, EN = Low (IN1 active),
75
VI(IN1) = 3.3 V, VI(IN2) = 5.5 V
Supply current from IN2 (operating)
mA
VI(VSNS) = 0 V, EN = Low (IN2 active),
1
12
VI(IN1) = 5.5 V, VI(IN2) = 3.3 V
VI(VSNS) = 0 V, EN = Low (IN2 active),
55
90
VI(IN1) = 3.3 V, VI(IN2) = 5.5 V
Copyright 2004–2010, Texas Instruments Incorporated
3
Product Folder Link(s): TPS2112A TPS2113A
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