TS39150CM25RN datasheet, PDF - EEWORLD Datasheet

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TS39150CM25RN: DescriptionRegulator; CategoryPower/power management The power supply circuit; File Size648KB，12 Pages; ManufacturerTaiwan Semiconductor; Websitehttp://www.taiwansemi.com/

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TS39150CM25RN Overview

Regulator

TS39150CM25RN Parametric

Parameter Name	Attribute value
Maker	Taiwan Semiconductor
package instruction	,
Reach Compliance Code	unknown
Base Number Matches	1

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TS39150/1/2/3

1.5A Ultra Low Dropout Voltage Regulator

with Multi-Function

TO-220

TO-263

(D PAK)

Pin Definition:

TS39150

1. Input

2. Ground (tab)

3. Output

TO-220-5L

TO-263-5L

(D PAK)

Pin Definition:

TS39151xx

TS39152

1. Enable

2. Input

3. Ground

4. Output

5. Flag

5. Adjust

TS39153

1. Enable

2. Input

3. Ground

4. Output

5. Sense

General Description

TS39150/1/2/3 are 1.5A ultra low dropout linear voltage regulators that provide low voltage, high current output from

an extremely small package. These regulator offers extremely low dropout (typically 400mV at 1.5A) and very low

ground current (typically 12mA at 1.5A).

TS39150/1/2/3 are fully protected against over current faults, reversed input polarity, reversed lead insertion, over

temperature operation, positive and negative transient voltage spikes, logic level enable control and error flag which

signals whenever the output falls out of regulation.

On the TS39150/1/2/3, the enable pin may be tied to V

if it is not required for enable control.

Features

●

Dropout voltage typically 0.4V @ Io=1.5A

Output Current up to 1.5A

Low Ground Current

Extremely Fast Transient Response

Reversed Leakage & Reverse Battery Protection

Error Flag Signals Output (TS39151 only)

Internal Current Limit

Thermal Shutdown Protection

Ordering Information

Part No.

Package

Packing

TS39150CZxx C0

TO-220

50pcs / Tube

TS39150CMxx RN

TO-263

800pcs / 13” Reel

TS39151CZ5xx C0

TO-220-5L

50pcs / Tube

TS39151CM5xx RN TO-263-5L

800pcs / 13” Reel

TS39152CZ5 C0

TO-220-5L

50pcs / Tube

TS39152CM5 RN

TO-263-5L

800pcs / 13” Reel

TS39153CZ5xx C0

TO-220-5L

50pcs / Tube

TS39153CM5xx RN TO-263-5L

800pcs / 13” Reel

Note: Where

denotes voltage option, available are

18=1.8V

25=2.5V

33=3.3V

50=5.0V

Contact to factory for addition output voltage option.

Application

●

PowerPC Power Supplies

Battery Powered Equipment

Consumer and Personal Electronics

High Efficiency Linear Power Supplies

SMPS Post Regulator and DC to DC Modules

High-efficiency Post Regulator for Switching Supply

Low-Voltage microcontrollers and Digital Logic

Pin Description

Pin Configuration

Enable

Input

Ground

Output

Flag

(fixed voltage)

Feed Back

(adjustable)

Pin Description

TTL/COMS compatible input. Logic high is enable; logic low or open is shutdown

Unregulated input: +16V maximum supply

Ground: Ground pin and TAB / heat sink are internally connected.

Regulator output

Error Flag (output): Open-collector output. Active low indicates an output fault condition,

if no used, leave open.

Adjustment input: Feedback input. Connect to resistive voltage-divider network.

1/12

Version: D07

TS39150/1/2/3

1.5A Ultra Low Dropout Voltage Regulator

with Multi-Function

Application Information

The TS3915x series are high performance with low dropout voltage regulator suitable for moderate to high current and

voltage regulator application. Its 630mV 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. Unlike normal NPN

transistor design, where the base to emitter voltage drop and collector to emitter saturation voltage limit the minimum

dropout voltage, dropout performance of the PNP output of these devices is limited only by low V

saturation voltage.

The TS3915x series is fully protected from damage due to fault conditions. Linear current limiting is provided. Output

current during overload conditions is constant. Thermal shutdown the device when the die temperature exceeds the

maximum safe operating temperature. Transient protection allows device survival even when the input voltage spikes

above and below nominal. The output structure of these regulators allows voltages in excess of the desired output

voltage to be applied without reverse current flow.

Output Capacitor Requirement

The TS3915x series requires an output capacitor to maintain stability and improve transient response is necessary.

The value of this capacitor is dependent upon the output current, lower currents allow smaller capacitors. TS3915x

series output capacitor selection is dependent upon the ESR of the output capacitor to maintain stability. When the

output capacitor is 10uF or greater, the output capacitor should have an ESR less than 2Ω. This will improve transient

response as well as promote stability. Ultra low ESR capacitors (<100mΩ), such as ceramic chip capacitors, may

promote instability. These very low ESR levels may cause an oscillation and/or under damped transient response. A

low ESR solid tantalum capacitor works extremely well and provides good transient response and stability over

temperature aluminum electrolytes can also be used, as long as the ESR of the capacitor is <2Ω. The value of the

output capacitor can be increased without limit. Higher capacitance values help to improve transient response and

ripple rejection and reduce output noise.

Input Capacitor Requirement

An input capacitor of 1uF or greater is recommended when the device is more than 4” away from the bulk AC supply

capacitance or when the supply is a battery. Small, surface mount, ceramic chip capacitors can be used for bypassing.

Larger values will help to improve ripple rejection by bypassing the input to the regulator, further improving the integrity

of the output voltage.

Minimum Load Current

The TS3915x series is specified between finite loads. If the output current is too small leakage currents dominate and

the output voltage rises. A 10mA minimum load current is necessary for proper regulation.

Adjustable Regulator Design

The adjustable regulator versions (TS39152) is allow to programming the output voltage anywhere between 1.25 and

the 16V maximum operating rating of the family.

Two resistors are used. Resistors can be quite large up to 1MΩ, because of the very high input impedance and low

bias current of the sense comparator, the resistor values are calculated by:

Where V

OUT

is the desired output voltage. Above application circuit shows component definition. Applications with

widely varying load currents may scale the resistors to draw the minimum load current required for proper operation.

5/12

Version: D07

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