Datasheet

PG-SCT595-5
Type Package Marking
IFX21401MB PG-SCT595-5 T1
Data Sheet 2 Rev. 1.01, 2009-10-19
Low Dropout Voltage Tracking Regulator IFX21401
1Overview
Features
• 50 mA Output Current Capability
• Tiny and Thermally Enhanced-Package
• Accurate Output Voltage Tracking
• Stable with Small Output Capacitor
• Low Dropout Voltage, 300mV
• Combined Reference / Enable Input
• Low Current Consumption in Stand-by Mode
• Maximum Input Voltage -42 V ≤
V
I
≤ +45 V
• Reverse Polarity Protection
• Output Short Circuit to Ground and Supply Protection
• Overtemperature Protection
• Temperature Range -40 °C ≤
T
j
≤ 125 °C
• Green Product (RoHS compliant)
Applications
• Manufacturing Automation
• Appliances
• HDTV Televisions
• Game Consoles
• Network Routers
For automotive and transportation applications, please refer to the Infineon TLE and TLF voltage regulator series.
Functional Description
The IFX21401 is a monolithic integrated low dropout voltage tracker in a tiny SMD package PG-SCT595-5 with
excellent thermal resistance. It is designed to supply off-board loads (e.g. sensors) in harsh environments. The IC
protects itself in case of overload, overtemperature, reverse polarity as well as output short circuit to battery or
ground.
Supply voltages up to
V
I
= 45 V are regulated to a reference voltage applied at the adjust input “ADJ” with high
accuracy. The output “Q” is able to drive loads up to 50 mA.
In order to reduce the quiescent current to a minimum, the IFX21401 can be switched to stand-by mode by setting
the adjust/enable input “ADJ/EN” to “low”.