Datasheet > TS4268_08

TS4268_08

更新时间： 2024-11-11 11:57:27

品牌	Logo	应用领域
TSC		/
页数	文件大小	规格书
7页	304K
描述
180mA Fixed-Voltage Ultra Low LDO

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TS4268_08 数据手册

TS4268

180mA Fixed-Voltage Ultra Low LDO

SOP-8

Pin Definition:

1. IN 8. OUT

2. N/C 7. WI

3. RO 6. RADJ

4. GND 5. RD

General Description

TS4268 is a 5V low-drop fixed-voltage regulator. The maximum input voltage is 45 V. It can deliver an output current of

at least 180mA. TS4268 is short-circuit proof and features temperature protection that disables the circuit in the event

of impermissibly high temperatures. The watchdog function is disabled as a function of the load, so that a controller is

not interrupted during sleep mode by a watchdog reset.

Application Description

TS4268 regulates an input voltage in the range 5.5V ~ 45V. In the event of an output voltage Vout < V_RT, a reset signal

is generated. The wiring of the reset switching threshold input enables the value of V_RTto be reduced. The reset delay

time can be adjusted using an external capacitor. The integrated watchdog monitors the connected active controller. If

there is no positive-going edge at the watchdog input, the reset output is set to low. The reset delay capacitor provides

a wide adjustment range for the pulse repetition time. The watchdog function is only activated if the load exceeds 8mA.

This ensures that a microcontroller is not activated during power-down and the current drain is not increased. The IC is

protected against overload and over temperature.

Features

Ordering Information

●

Output voltage tolerance <±2%

Part No.

Package

SOP-8

Packing

Very low current consumption

Low-drop voltage

TS4268CS50 RL

2.5Kpcs / 13” Reel

Watchdog

Settable reset threshold

Over temperature protection

Reverse polarity protection

Short-circuit proof

Suitable for use in automotive electronics

Wide temperature range

Pin Description

Pin No.

Symbol

Pin Description

Input Voltage. block to ground directly with ceramic capacitor

N/C

Not Connected

Reset Output. the open collector output is connected to the 5V output via an integrated

resistor of 30kΩ

GND

Ground

Reset Delay. connect a capacitor to ground for delay time adjustment.

Reset Switching Threshold. for setting the switching threshold, output to ground with

voltage divider. If this input is connected to ground, the reset is triggered at an output

voltage of 4.5V.

RADJ

Watchdog Input. positive-edge-triggered input for monitoring a microcontroller.

Output Voltage. block to ground with 22uF capacitor, ESR <3Ω

OUT

1/7

Version: B07

12 3 4 5 6 7

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与TS4268_08相关器件

型号	品牌	获取价格	描述	数据表
TS4268CS50	TSC	获取价格	180mA Ultra Low Dropout Voltage Regulator with Reset & Watchdog Function
TS4270	TSC	获取价格	5V Ultra Low Dropout Fixed Voltage Regulator
TS4270CM550	TSC	获取价格	5V Ultra Low Dropout Fixed Voltage Regulator
TS4270CP550	TSC	获取价格	5V Ultra Low Dropout Fixed Voltage Regulator
TS4270CZ550	TSC	获取价格	5V Ultra Low Dropout Fixed Voltage Regulator
TS4274	TSC	获取价格	400mA Ultra Low Dropout Fixed Voltage Regulator
TS4274_13	TSC	获取价格	5V/400mA Fixed Voltage Ultra Low Dropout Voltage Regulator
TS4274CM	TSC	获取价格	400mA Ultra Low Dropout Fixed Voltage Regulator
TS4274CP	TSC	获取价格	400mA Ultra Low Dropout Fixed Voltage Regulator
TS4274CP50RO	TSC	获取价格	5V/400mA Fixed Voltage Ultra Low Dropout Voltage Regulator

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