Global Mixed-mode Technology Inc.
G9218
1.8V 2A Low Dropout Regulator with Enable
Features
Dropout voltage 0.7V @ I
O
= 2A
Output current in excess of 2A
Output voltage accuracy ±2.5%
Quiescent current, typically 1.8mA
Internal short circuit current limit
Internal over temperature protection
TO220 4pin Full-Mold package
ON/OFF control
General Description
The G9218 positive 1.8V voltage regulator features
the ability to source 2A of output current. The dropout
voltage is 0.7V at 2A output current. The typical qui-
escent current is 1.8mA. Furthermore, the quiescent
current is smaller when the regulator is in the dropout
mode.
Familiar regulator features such as over tem-
perature and over current protection circuits are
provided to prevent it from being damaged by
abnormal operating conditions. A V
en
pin is pro-
vided to disable the output when needed.
Ordering Information
ORDER NUMBER MARKING
G9218TF1T
G9218TH1T
G9218
G9218
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
PIN PACKAGE
TO220F-4L
TO220F-4L
1
V
IN
V
IN
PIN OPTION
2
3
V
O
V
O
GND
GND
4
V
EN
V
EN
Order Number Identification
GXXXX
XX
X
X
Packing Type
Pin Option
Package Type
Part Number
PACKAGE TYPE
TF: TO220F-4L (short lead)
TH: TO220F-4L (long lead)
1
1.: V
IN
PIN OPTION
2
V
O
3
GND
4
V
EN
PACKING
T: Tube
Typical Application
R=5kΩ
V
EN
I
O
V
IN
C1
4.7µF
I
ENH
Package Type
TO220F-4L
V
OUT
C
OUT
47µF
G9218
IQ
Top View
R=5kΩ is recommended
R must be connected for current I
ENH
restriction as V
EN
> V
IN
+0.3V
V
IN
V
O
GND V
EN
1 2
3
4
Ver: 0.1 Preliminary
Apr 20, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
1
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
