Global Mixed-mode Technology Inc.
G1085-XX
3A Low-Dropout Linear Regulator
Features
General Description
The G1085-XX is a low dropout linear regulator
with a dropout of 0.8V at 3A of load current. It is
available in three fixed voltages: 1.5V, 1.8V, 2.5V
and 3.3V. Refer to the G1085 for the adjustable
version.
Available in 1.5V, 1.8V, 2.5V, 3.3V version
TO-220, TO-263 package
Internal short circuit current limiting
Internal over temperature protection
Output current 3A
The G1085-XX provides over temperature and
over current protection circuits to prevent it from
being damaged by abnormal operating conditions.
Applications
Post regulation for switching DC/DC con-
verter
The G1085-XX is available in TO-220 and TO-263
packages. A minimum of 220µF tantalum electro-
lytic capacitor is required at the output to improve
the transient response and stability.
High efficiency linear regulator
Battery powered instrumentation
Motherboard
Ordering Information
PIN OPTION
ORDER
NUMBER
ORDER NUMBER
(Pb free)
TEMP.
RANGE
MARKING
PACKAGE
1
2
3
G1085-15T33T
G1085-18T33T
G1085-25T33T
G1085-33T33T
G1085-15T53U
G1085-18T53U
G1085-25T53U
G1085-33T53U
G1085-15T33Tf
G1085-18T33Tf
G1085-25T33Tf
G1085-33T33Tf
G1085-15T53Uf
G1085-18T53Uf
G1085-25T53Uf
G1085-33T53Uf
G1085-15 -40°C to +85°C
G1085-18 -40°C to +85°C
G1085-25 -40°C to +85°C
G1085-33 -40°C to +85°C
G1085-15 -40°C to +85°C
G1085-18 -40°C to +85°C
G1085-25 -40°C to +85°C
G1085-33 -40°C to +85°C
TO-220
TO-220
TO-220
TO-220
TO-263
TO-263
TO-263
TO-263
GND
GND
GND
GND
GND
GND
GND
GND
VOUT
VOUT
VOUT
VOUT
VOUT
VOUT
VOUT
VOUT
VIN
VIN
VIN
VIN
VIN
VIN
VIN
VIN
* For other package types and pin options, please contact us at sales @gmt.com.tw
Order Number Identification
GXXXX-XX XX
X
X
Packing Type
Pin Option
Package Type
Voltage
Part Number
PACKAGE TYPE
T3: TO-220
PIN OPTION
2
PACKING
U: Tape & Reel
T: Tube
1
3
T5: TO-263
3: GND
VOUT
VIN
Package Type
Typical Application
[Note 4]: Type of COUT
IO
G1085-XX
VOUT
VIN
VIN
VOUT
Top View
GND
Top View
COUT
220µF
C1
220µF
1
3
2
3
2
1
TO-220
TO-263
TEL: 886-3-5788833
http://www.gmt.com.tw
Ver: 0.5 Preliminary
Nov 12, 2004
1