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TS2940

Taiwan Semiconductor

Document Number: DS_P0000211 1 Version: D15

1A Ultra Low Dropout Voltage Regulator

GENERAL DESCRIPTION

The TS2940 series of fixed-voltage monolithic micro-

power voltage regulators is designed for a wide range of

applications. This device excellent choice of use in

battery-power application. Furthermore, the quiescent

current increases on slightly at dropout, which prolongs

battery life. This series of fixed-voltage regulators

features low drop output voltage (Typ. 60mV at light

load and 600mV at 800mA). This includes a tight initial

tolerance of 2%, extremely good line regulation of

0.05% typ., and very low output temperature coefficient.

FEATURES

● Dropout voltage typically 0.6V @

Io=800mA

● Output current up to 1A

● Output voltage trimmed before assembly

● -18V Reverse peak voltage

● +30V Input over voltage protection

● +60V Transient peak voltage

● Internal current limit

● Thermal shutdown protection

APPLICATION

● Post Regulator for SMPS

● Industrial Instrumentation

220

263

PAK)

252 (DPAK)

SOT

223

Definition

1. Input

2. Ground

3. Output

Notes: Moisture sensitivity level: level 3. Per J-STD-020

TYPICAL APPLICATION CIRCUIT

Summary of content (10 pages)

PAGE 1
TS2940 Taiwan Semiconductor 1A Ultra Low Dropout Voltage Regulator GENERAL DESCRIPTION FEATURES The TS2940 series of fixed-voltage monolithic micropower voltage regulators is designed for a wide range of applications. This device excellent choice of use in battery-power application. Furthermore, the quiescent current increases on slightly at dropout, which prolongs battery life. This series of fixed-voltage regulators features low drop output voltage (Typ. 60mV at light load and 600mV at 800mA).
PAGE 2
TS2940 Taiwan Semiconductor ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise noted) PARAMETER Input Supply Voltage (Note 2) Input Supply Voltage Power Dissipation (Note 3) Operating Junction Temperature Range Storage Temperature Range SYMBOL LIMIT UNIT VIN -18 ~ +60 V VOPR 26 V PD Internally Limited W TJ -40 ~ +125 °C TSTG -65 ~ +150 °C SYMBOL LIMIT UNIT THERMAL PERFORMANCE PARAMETER PACKAGE TYPE 60 TO-220 Thermal Resistance TO-263 Junction to Ambient TO-252 80 RӨJA °C
PAGE 3
TS2940 Taiwan Semiconductor ELECTRICAL SPECIFICATIONS Note: 1. 2. 3. 4. 5. 6. Absolute Maximum Rating is limits beyond which damage to the device may occur. For guaranteed specifications and test conditions see the electrical characteristics. Maximum positive supply voltage of 60V must be limited duration (<100ms) and duty cycle (<1%).
PAGE 4
TS2940 Taiwan Semiconductor BLOCK DIAGRAM APPLICATION INFORMATION The TS2940 series is a high performance with low dropout voltage regulator suitable for moderate to high current and voltage regulator application. Its 600mA (typ) dropout voltage at full load and over temperature makes it especially valuable in battery power systems and as high efficiency noise filters in post regulator applications.
PAGE 5
TS2940 Taiwan Semiconductor APPLICATION INFORMATION (CONTINUE) Thermal Characteristics A heatsink may be required depending on the maximum power dissipation and maximum ambient temperature of the application. Under all possible operating conditions, the junction temperature must be within the range specified under absolute maximum ratings. To determine if the heatsink is required, the power dissipated by the regulator, PD must be calculated.
PAGE 6
TS2940 Taiwan Semiconductor PACKAGE OUTLINE DIMENSIONS (Unit: Millimeters) TO-220 MARKING DIAGRAM xx = Voltage code (33=3.
PAGE 7
TS2940 Taiwan Semiconductor PACKAGE OUTLINE DIMENSIONS (Unit: Millimeters) TO-263 SUGGESTED PAD LAYOUT (Unit: Millimeters) MARKING DIAGRAM xx = Voltage code (33=3.
PAGE 8
TS2940 Taiwan Semiconductor PACKAGE OUTLINE DIMENSIONS (Unit: Millimeters) TO-252 SUGGESTED PAD LAYOUT (Unit: Millimeters) MARKING DIAGRAM Y = Year Code M = Month Code for Halogen Free Product O =Jan P =Feb Q =Mar R =Apr S =May T =Jun U =Jul V =Aug W =Sep X =Oct Y =Nov Z =Dec L = Lot Code (1~9, A~Z) Document Number: DS_P0000211 8 Version: D15
PAGE 9
TS2940 Taiwan Semiconductor PACKAGE OUTLINE DIMENSIONS (Unit: Millimeters) SOT-223 SUGGESTED PAD LAYOUT (Unit: Millimeters) MARKING DIAGRAM Y = Year Code M = Month Code for Halogen Free Product O =Jan P =Feb Q =Mar R =Apr S =May T =Jun U =Jul V =Aug W =Sep X =Oct Y =Nov Z =Dec L = Lot Code (1~9, A~Z) Document Number: DS_P0000211 9 Version: D15
PAGE 10
TS2940 Taiwan Semiconductor Notice Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, to any intellectual property rights is granted by this document.