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PDF TCK106AG Data sheet ( Hoja de datos )

Número de pieza TCK106AG
Descripción 1.0A Load Switch IC
Fabricantes Toshiba 
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TCK106AG/TCK107AG/TCK108AG
TOSHIBA CMOS Linear Integrated Circuit Silicon Monolithic
TCK106AG, TCK107AG, TCK108AG
1.0 A Load Switch IC with Slew Rate Control Driver in Ultra Small Package
The TCK106AG, TCK107AG and TCK108AG are load switch ICs
for a general power management with slew rate control driver,
featuring low ON resistance and wide input voltage operation from
1.1 to 5.5 V. ON resistance is only 34 mtypical at 5.0 V, -0.5 A
condition and output current is available on 1.0 A. TCK107AG and
TCK108AG feature output auto-discharge function.
These devices are available in 0.4 mm pitch ultra small package
WCSP4D (0.79 mm x 0.79 mm, t: 0.55 mm) .Thus this devices is
ideal for portable applications that require high-density board
assembly such as cellular phone.
Weight: 0.79 mg (typ.)
WCSP4D
Feature
Wide input voltage operation: VIN = 1.1 to 5.5 V
High output current: IOUT = 1.0 A
Low ON resistance :
RON = 34 m(typ.) at VIN = 5.0 V, -0.5 A
RON = 42 m(typ.) at VIN = 3.3 V, -0.5 A
RON = 71 m(typ.) at VIN = 1.8 V, -0.5 A
RON = 139 m(typ.) at VIN = 1.2 V, -0.2 A
RON = 176 m(typ.) at VIN = 1.1 V, -0.2 A
Built in Slew rate control driver
Built in Auto-discharge (TCK107AG and TCK108AG)
Active High and Pull down connection between CONTROL and GND (TCK106AG and TCK107AG)
Active Low (TCK108AG)
Ultra small package : WCSP4D (0.79 mm x 0.79 mm, t: 0.55 mm)
Pin Assignment(Top view)
VIN CONTROL
(A2) (B2)
Top marking
6M: TCK106AG
7M: TCK107AG
8M: TCK108AG
VOUT
(A1)
GND
(B1)
Index
Start of commercial production
2015-06
1 2015-05-29

1 page




TCK106AG pdf
Application Note
1. Application circuit example (top view)
TCK106AG/TCK107AG/TCK108AG
The figure below shows configuration example for TCK106AG, TCK107AG and TCK108AG.
CONTROL
VIN
CIN
GND
VOUT
CL
LOAD
RL
Part number
TCK106AG
TCK107AG
TCK108AG
Control
voltage
HIGH
LOW
OPEN
HIGH
LOW
IC
Operation
ON
OFF
OFF
OFF
ON
1) Input capacitor
An input capacitor (CIN) is not necessary for the guaranteed operation of TCK106AG, TCK107AG and
TCK108AG. However, the use of CIN is effective to reduce voltage drop due to sharp changes in output current
and also for improved stability of the power supply. When used, place CIN as close to VIN pin to improve stability of
the power supply. Also, due to the CIN selected, VIN < VOUT may occur, causing a reverse current to flow through
the body diode of the pass-through p-ch MOSFET of the load switch IC. In this case, a higher value for CIN as
compared to CL is recommended.
2) Output capacitor
An output capacitor (COUT) is not necessary for the guaranteed operation of TCK106AG, TCK107AG and
TCK108AG. However, there is a possibility of overshoot or undershoot caused by output load transient response,
board layout and parasitic components of load switch IC. In this case, an output capacitor with COUT more than
0.1μF us recommended.
3) Control pin
A control pins for TCK106AG and TCK107AG are both Active High and TCK108AG is Active Low. These
controls both the pass-through p-ch MOSFET and the discharge n-ch MOSFET (except TCK106AG), operated by
the control voltage and Schmitt trigger. When the control voltage level is High (Low; TCK108AG), p-ch MOSFET is
ON state and n-ch MOSFET is OFF state. When control voltage level is Low (High; TCK108AG), and the state of
the MOSFETs is reversed. Also, pull down resistance equivalent to a few MΩis connected between CONTROL
and GND, thus the load switch IC is in OFF state even when CONTROL pin is OPEN(except TCK108AG). In
addition, CONTROL pin has a tolerant function such that it can be used even if the control voltage is higher than
the input voltage.
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