Datasheet > TS2507

TS2507

更新时间： 2024-01-09 13:49:04

品牌	Logo	应用领域
TSC		控制器
页数	文件大小	规格书
9页	367K
描述
0.5A / 330KHz PWM Buck Controller

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TS2507 数据手册

TS2507

0.5A / 330KHz PWM Buck Controller

SOP-8

Pin Definition:

1. EN

5. FB

2. Comp

3. Ocset

4. Vcc

6. Vss

7. LX

5. Gate

General Description

The TS2507 integrates Pulse-Width-Modulation (PWM) control circuit into a single chip. These devise include a

reference voltage source, oscillation circuit, error amplifier and etc. TS2507 provides low-ripple power, high efficiency,

and excellent transient characteristics. The PWM control circuit is able to very the duty ratio linearly form 0 up to

100%. This controller also contains an error amplifier circuit as well as a soft-start circuit that prevents overshoot at

startup. An enable function, an over current protect function and short circuit protect function are built inside, and

when OCP or SCP happens, the operation frequency will be reduced. Also, an internal compensation block is built in

to minimum external component count. With the addition of an external P-channel Power MOS, a coil, capacitors, and

a diode connected externally, these components can function as step-down switching regulators. They serve as ideal

power supply units for portable devices when coupled with the SOP-8, providing such outstanding features as low

current consumption. Since this converter can accommodate an input

Features

Ordering Information

●

Input Voltage: 3.6V~24V

Part No.

Package

SOP-8

Packing

Output Voltage: 0.8V~Vcc

Duty Ratio: 0%~100% PWM Control

Oscillation Frequency: 330kHz typ.

Soft-Start (SS), Current Limit (CL), Enable Function

Thermal Shutdown Function

TS2507CS RL

2.5Kpcs / 13” Reel

Application

●

Simple High-efficiency Step down Regulator

On-Card Switching Regulators

Short Circuit Protect (SCP)

External SW P-Channel MOSFET

Low ESR Output Capacitor Application

SOP-8 Pb-Free Package

Absolute Maximum Rating

Parameter

Symbol

Rating

VSS - 0.3 to VSS + 26

VSS - 0.3 to VCC

VSS - 0.3 to VCC + 0.3

Internally limited

-40 to +150

Unit

V_CCPin Voltage

V_CC

V_FB

V_EN

V_SW

P_D

Feedback Pin Voltage

ON/OFF Pin Voltage

Switch Pin Voltage

Power Dissipation

℃

Storage Temperature Range

Operating Temperature Range

Operating Supply Voltage

Thermal Resistance from Junction to case

Thermal Resistance from Junction to ambient

T_ST

T_OP

V_OP

θ_JC

θ_JA

-20 to +125

℃

+3.6 to +24

℃/W

120

1/9

Version: A07

12 3 4 5 6 7...9

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