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TPS2012D Datasheet(PDF) 2 Page - Texas Instruments

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No. de Pieza. TPS2012D
Descripción  POWER-DISTRIBUTION
Descarga  21 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS2012D Datasheet(HTML) 2 Page - Texas Instruments

 
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TPS2010, TPS2011, TPS2012, TPS2013
POWER-DISTRIBUTION
SLVS097A – DECEMBER 1994 – REVISED AUGUST 1995
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
AVAILABLE OPTIONS
RECOMMENDED MAXIMUM
TYPICAL SHORT-CIRCUIT
PACKAGED DEVICES
CHIP
TJ
CONTINUOUS LOAD CURRENT
(A)
OUTPUT CURRENT LIMIT AT 25
°C
(A)
SOIC
(D)†
TSSOP
(PW)‡
FORM
(Y)
0.2
0.4
TPS2010D
TPS2010PWLE
TPS2010Y
40
°Cto125°C
0.6
1.2
TPS2011D
TPS2011PWLE
TPS2011Y
– 40
°C to 125°C
1
2
TPS2012D
TPS2012PWLE
TPS2012Y
1.5
2.6
TPS2013D
TPS2013PWLE
TPS2013Y
† The D package is available taped and reeled. Add an R suffix to device type (e.g., TPS2010DR).
‡ The PW package is only available left-end taped and reeled (indicated by the LE suffix on the device type; e.g., TPS2010PWLE).
functional block diagram
Power Switch
Current
Limit
Driver
Thermal
Sense
Charge
Pump
IN
EN
GND
OUT
CS
† Current sense
Terminal Functions
TERMINAL
NAME
NO.
I/O
DESCRIPTION
NAME
D
PW
EN
4
7
I
Enable input. Logic low turns power switch on.
GND
1
1
I
Ground
IN
2, 3
2–6
I
Input voltage
OUT
5–8
8–14
O
Power-switch output
detailed description
power switch
The power switch is an N-channel MOSFET with a maximum on-state resistance of 95 m
Ω (VI(IN) = 5.5 V),
configured as a high-side switch.
charge pump
An internal 100-kHz charge pump supplies power to the driver circuit and provides the necessary voltage to pull
the gate of the MOSFET above the source. The charge pump operates from input voltages as low as 2.7 V and
requires very little supply current.


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