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HT7250

Description
Output type: fixed Maximum input voltage: 8V Output current: 300mA Output voltage (minimum/fixed value): 5V
CategoryPower/power management    Low dropout linear regulator (they)   
File Size327KB,10 Pages
ManufacturerHoltek
Websitehttp://www.holtek.com/
Download Datasheet Parametric Compare View All

HT7250 Overview

Output type: fixed Maximum input voltage: 8V Output current: 300mA Output voltage (minimum/fixed value): 5V

HT7250 Parametric

Parameter NameAttribute value
Output typefixed
Maximum input voltage8V
Output current300mA
Output configurationjust
Number of voltage regulators1
Output voltage (maximum)-
PSRR/ripple suppression-
Output voltage (minimum/fixed value)5V
Pressure drop (maximum)300mV @ 300mA
Operating power current (maximum)-
Operating temperature-40℃ ~ 85℃
HT72xx Series
300mA TinyPower
TM
LDO
Features
• Output voltage ranges: Fixed range of 1.8V, 2.5V,
2.7V, 3.0V, 3.3V, 4.5V, 5.0V type.
• Highly accuracy: ±2%
• Low voltage drop: 240mV (typ.),
V
OUT
=5.0V at 300mA
• Maximum Input Voltage: 8V
• Guaranteed output current: 300mA
• Low quiescent current: 4
m
A (typ.)
• Current limiting
• Over-temperature shutdown
• 3-pin SOT23, 5-pin SOT23 and 3-pin SOT89
Packages
General Description
The HT72xx series of positive, linear regulators
features low quiescent current (4
m
A typ.) with low
dropout voltage, making them ideal for battery
applications. The space-saving 3-pin SOT23
package is attractive for ″Pocket″ and ″Hand Held″
applications. The devices are capable of supplying
300mA of output current continuously.
They are available with several fixed output voltages
ranging from 1.8V to 5.0V. Although designed
primarily as fixed voltage regulators, these devices
can be used with external components to obtain
variable voltages and currents.
These rugged devices have Thermal Shutdown and
Current Limiting to prevent device failure under the
″Worst″ of operating conditions.
Applications
• Portable electronics
• Wireless devices
• Cordless phones
• PC peripherals
• Battery powered devices
• Electronic scales
Selection Table
Part No.
HT7218
HT7225
HT7227
HT7230
HT7233
HT7245
HT7250
Note: ″xx″ stands for output voltages.
Output Voltage
1.8V
2.5V
2.7V
3.0V
3.3V
4.5V
5.0V
Tolerance
Package
Marking
±2%
SOT23
SOT23-5
SOT89
72xx (for SOT23)
72xx (for SOT23-5)
HT72xx (for SOT89)
Rev. 1.40
1
August 04, 2018

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HT7250 HT7230 HT7227 HT7218
Description Output type: fixed Maximum input voltage: 8V Output current: 300mA Output voltage (minimum/fixed value): 5V Output type: fixed Maximum input voltage: 8V Output current: 300mA Output voltage (minimum/fixed value): 3V Output type: Fixed Maximum input voltage: 8V Output current: 300mA Output voltage (minimum/fixed): 2.7V Output type: fixed Maximum input voltage: 8V Output current: 300mA Output voltage (minimum/fixed value): 1.8V
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