tb7110f TOSHIBA Semiconductor CORPORATION, tb7110f Datasheet

tb7110f

Manufacturer Part Number

tb7110f

Description

Buck Dc-dc Converter Ic?series Regulator Ic

Manufacturer

TOSHIBA Semiconductor CORPORATION

Datasheet

1.TB7110F.pdf (18 pages)

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Buck DC-DC Converter IC・Series Regulator IC

DC-DC converter section utilizing a chopper circuit and series regulator

section. The TB7110F contains high-speed P-channel MOSFETs for the

high side main switch to achieve high efficiency. And series regulator

section is fed into a overcurrent circuit of fold buck type, and it protects

this product from the short circuit state of the load.

Features

•

Part Marking

small overloads such as minor short-term overcurrent, or overheating. The protective functions do not necessarily

protect Product under all circumstances. When incorporating Product into your system, please design the system

(1) to avoid such overloads upon the Product, and (2) to shut down or otherwise relieve the Product of such overload

conditions immediately upon occurrence. For details, please refer to the notes appearing below in this document

and other documents referenced in this document.

The TB7110F is single chip power supply ICs that integrated buck

The product(s) in this document (“Product”) contain functions intended to protect the Product from temporary

Output current: DC-DC Converter section I

High efficiency: DC-DC Converter section η = 86% (typ.) (@V

Operating input voltage range: V

On-state resistance: R

Oscillation frequency: f

Reference voltage: V

Housed in a small surface-mount package (SOP Advance) with a low thermal resistance

Soft-start feature

Overcurrent protection: fold buck type for the Series Regulator section

The dot (•) on the top surface indicates pin 1.

The lot number consists of three digits. The first digit represents the last digit of the year of manufacture,

and the following two digits indicates the week of manufacture between 01 and either 52 or 53.

This product has a MOS structure and is sensitive to electrostatic discharge. Handle with care.

LMIT2(1)

7110F

= 1.2A(typ.)(@ V

Series Regulator section I

REF

DS(ON)

Manufacturing week code

(The first week of the year is 01; the last week is 52 or 53.)

Manufacturing year code (last digit of the year of manufacture)

OSC

Part Number (or abbreviation code)

= 1.215V ± 2.9% (@Tj = 25°C)

TOSHIBA BiCD Integrated Circuit Silicon Monolithic

Lot No.

= 500kHz (typ.)

IN2

= 0.7Ω (high-side) typical (@V

= 6V, V

IN1

= 4.5V to 27V

OUT2

TB7110F

OUT2

= 4.5V), I

OUT1

= 800mA(max.)

= 1.5A(max.)

LMIT2(2)

IN1

Pin Assignment

= 200mA(typ.)(@ V

IN1

= 24V, Tj = 25℃)

= 24V, V

FB1

IN1

OUT1

Weight: 0.068 g (typ.)

FB2

= 5V, I

IN2

= 6V, V

HSON8-P-0505-1.27

GND

OUT1

OUT2

= 500mA)

= 0V)

2011-05-19

TB7110F

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