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HT7833

Holtek Semiconductor
Part Number HT7833
Manufacturer Holtek Semiconductor
Description 500mA TinyPower LDO
Published Apr 14, 2008
Detailed Description HT78XX Series 500mA TinyPowerTM LDO Features · Output voltage ranges: Fixed range of 1.8V, 2.5V, · Low quiescent current...
Datasheet PDF File HT7833 PDF File

HT7833
HT7833

Overview
HT78XX Series 500mA TinyPowerTM LDO Features · Output voltage ranges: Fixed range of 1.
8V, 2.
5V, · Low quiescent current: 5mA (typ.
) · Current limiting · Over-temperature shutdown · SOT-89, TO-92 Packages 2.
7V, 3.
0V, 3.
3V, 5.
0V type.
· Highly accuracy: ±2% · Low voltage drop: 360mV (typ.
), VOUT=5.
0V at 500mA · Guaranteed output current: 500mA Applications · Battery powered systems · Personal Digital Assistants · Peripheral cards · PCMCIA cards · Personal Communication Equipment www.
DataSheet4U.
com General Description The HT78XX series of positive, linear regulators features low quiescent current (5mA typ.
) with low dropout voltage, making them ideal for battery applications.
The devices are capable of supplying 500mA 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 ²Worst² of operating conditions.
Selection Table Part No.
HT7818 HT7825 HT7827 HT7830 HT7833 HT7850 Output Voltage 1.
8V 2.
5V 2.
7V 3.
0V 3.
3V 5.
0V ±2% SOT-89 TO-92 Tolerance Package Block Diagram V IN O v e rc u rre n t S h u td o w n T h e rm a l S h u td o w n R 1 A M P V O U T V re f R 2 G N D Rev.
1.
00 1 March 2, 2007 HT78XX Series Pin Assignment S O T -8 9 T O -9 2 H T 7 8 X X H T 7 8 X X T o p V ie w F r o n t V ie w G N D V IN V O U T G N D V IN V O U T B o tto m G N D V IN V O U T G N D V IN V O U T V ie w www.
DataSheet4U.
com N o te : F o r le a d fr e e d e v ic e s , a # m a r k is s u ffix e d a t th e e n d o f th e d a te c o d e .
Absolute Maximum Ratings* Maximum Supply Voltage .
.
.
up to 8.
5V Operating Temperature -40°C to 85°C Note: These are stress ratings only.
Stresses exceeding the range specified under ²A...


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