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TCS9208 Datasheet Preview

TCS9208 Datasheet

1.2MHZ Step-up DC/DC Converter

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TCS9208
1.2MHZ Step-up DC/DC Converter in
GENERAL DESCRIPTION
The TCS9208 step-up switching regulator
generates an output voltage of up to 6V
from an input voltage as low as 1.6V. Ideal
for applications where space is limited, it
switches at 1.2MHz, allowing the use of
tiny, low cost and low profile external
components. Its internal 2A, 100m
NMOS switch provides high efficiency even
at heavy load, while the constant frequency,
current mode architecture results in low,
predictable output noise that is easy to
filter. Internal frequency compensation is
designed to accommodate ceramic output
capacitors, further reducing noise. The
device features very low shutdown current
of 0.5uA.
The TCS9208 is available in the 6-lead
SOT-23 package.
FEATURES
Internal 2A MOSFET Switch
1.2MHZ Switching Frequency
Integrated Soft-Start
Low 1.6V Vin Operation
Low Rds(on) Switch :100mat 5V Output
Delivers 5V at 800mA from a 3.3V input
Delivers 3V at 800mA from a 2.5V input
Uses Small.Low Profile External Components
Low profile(1mm):SOT-23(Thin SOT)package
APPLICATIONS
White LED Driver Supply
Local 3.3V or 5V supply
Battery Back-up
Figure 1. Typical Application Circuit
Rev.1.0 Jan.20,2011 Page 1




TCS

TCS9208 Datasheet Preview

TCS9208 Datasheet

1.2MHZ Step-up DC/DC Converter

No Preview Available !

TCS9208
1.2MHZ Step-up DC/DC Converter in
ORDERING INFORMATION
PART
NUMBER
TCS9208_F
TEMP RANGE
-40°C to 85°C
SWICHING
FREQUENCY
1.2MHz
OUTPUT
VOLTAGE (V)
Adjustable
CURRENT
LIMIT(A)
2
PACKAGE
SOT23-6
PINS
6
PIN CONFIGURATION
NC
PIN DESCRIPTION
Figure 2. PIN Configuration
PIN
NUMBER
1
2
3
4
5
6
PIN
NAME
PIN DESCRIPTION
SW Switch Output. Connect this pin to the inductor.
GND Ground.
FB
Feedback Input. The voltage at this pin is regulated to 0.6V. Connect to the resistor
divider between output and ground to set output voltage
EN
Enable Input. When higher than 1.5V, this pin turns the IC on. When lower than 0.3V,
this pin turns the IC off.
Vin Power Supply
NC NC
ABSOLUTE MAXIMUM RATINGS
(Note: Do not exceed these limits to prevent damage to the device. Exposure to absolute maximum rating
conditions for long periods may affect device reliability.)
Supply Voltage VIN
PARAMETER
VALUE
-0.3 to 6.5
UNIT
V
Rev.1.0 Jan.20,2011 Page 2


Part Number TCS9208
Description 1.2MHZ Step-up DC/DC Converter
Maker TCS
Total Page 7 Pages
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