TLVM13630 datasheet(23/44 Pages) TI

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8 Applications and Implementation

Note

Information in the following applications sections is not part of the TI component specification,

and TI does not warrant its accuracy or completeness. TI’s customers are responsible for

determining suitability of components for their purposes, as well as validating and testing their design

implementation to confirm system functionality.

8.1 Application Information

The TLVM13630 only requires a few external components to convert from a wide range of supply voltages to a

fixed output voltage. The following section describes the design procedure to configure the TLVM13630 power

module. To expedite and streamline the design process, WEBENCH® online software is available to generate

complete designs, leveraging iterative design procedures and access to comprehensive component databases.

As mentioned previously, the TLVM13630 also integrates several optional features to meet system design

requirements, including the following:

• Precision enable with hysteresis

• External adjustable UVLO

• Adjustable SW node slew rate

• Power-good indicator

The following application circuit detailed shows the TLVM13630 configuration options suitable for several

application use cases.

8.2 Typical Applications

The following are sample typical applications along with design procedure for the implemenation of TLVM13630.

8.2.1 Design 1: 3-A Synchronous Buck Regulator for Industrial Applications

Figure 8-1 shows the schematic diagram of a 5-V, 3-A buck regulator with a switching frequency of 1 MHz. The

nominal input voltage for the sample design is 24 V. A resistor RRT of 13 kΩ sets the free-running switching

frequency at 1 MHz. An optional SYNC input signal allows adjustment of the switching frequency for this specific

application.

PGND

AGND

VOUT

VLDOIN

VIN

PGND

VIN

CIN2

COUT

RFBB

TLVM13630

RRT

IOUT(max) = 3 A

VIN = 24 V

RENT

RENB

Optional

external bias

VIN(on) = 6 V

VIN(off) = 4.3 V

RPG

VCC

PGOOD

indicator

VOUT = 5 V

CIN1

VOUT

47 F

13 k

10 k

40.2 k

4.7 F

100 k

374 k

100 k

RFBT

PGND

1 F

CVCC

Figure 8-1. Circuit Schematic

www.ti.com

TLVM13630

SLVSFT6B – MAY 2021 – REVISED JANUARY 2022

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