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H1085U Fiches technique(PDF) 1 Page - Hi-Sincerity Mocroelectronics

No de pièce H1085U
Description  3A LOW DROPOUT POSITIVE VOLTAGE REGULATOR
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Fabricant  HSMC [Hi-Sincerity Mocroelectronics]
Site Internet  http://www.hsmc.com.tw
Logo HSMC - Hi-Sincerity Mocroelectronics

H1085U Fiches technique(HTML) 1 Page - Hi-Sincerity Mocroelectronics

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HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : Preliminary Data
Issued Date : 1998.06.01
Revised Date : 1999.08.01
Page No. : 1/5
HSMC Product Specification
H1085U Series
3A LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Features
• Low Dropout Voltage 1.2V at 3A.
• Adjustable or Fixed Voltage.
• Line Regulation Typically 0.015%.
• Load Regulation Typically 0.05%.
• Adjust Pin Current Less Than 90 uA.
• Over Current Protection.
• Thermal Protection.
Applications
• High Efficiency Linear Regulators.
• Post Regulators For Switching Supplies.
• 5V to 3.3V Voltage Converter.
• Battery Charger.
General Description
The H1085U is a 3A low-dropout positive voltage regulator. It is available in fixed and adjustable output voltage
versions. Over Current and thermal protection are integrated onto the chip. Output current will decrease while it
reaches the pre-set current or temperature limit. The dropout voltage is specified at 1.2V Maximum at full rated
output current. H1085U Series provides excellent regulation over variations due to changes in line, load and
temperature. H1085U is three terminal regulator and available in popular packages.
Device Selection Guide
Device
Output Voltage
Package
H1085U
1.3V to 4V
H1085-3.3U
3.3
TO-263
Absolute Maximum Ratings
Parameter
Symbol
Maximum
Units
Input Voltage
VIN
7V
Power Dissipation
PD
Internally Limited
W
Thermal Resistance Junction To Case TO-263
θ
JC
3
°C/W
Thermal Resistance Junction To Ambient TO-263
θ
JA
50
°C/W
Operating Junction Temperature Range
Tj
0 To 125
°C
Storage Temperature Range
TSTG
-65 To 150
°C
Lead Temperature (Soldering) 10 Sec
TLEAD
260
°C
Typical Application
+
H1085-3.3U
10uF
TAN
10uF
TAN
4.75V to
5.25V
DC
GND
Load


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