G9233 반도체 회로 부품 판매점
LOW DROPOUT REGULATOR
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Global Mixed-mode Technology Inc.
G9233
3.3V 2A Low Dropout Regulator with Disable
Features
Dropout voltage 0.5V @ IO = 2A
Output current in excess of 2A
Output voltage accuracy ±2.5%
Quiescent current, typically 5mA
Internal short circuit current limit
Internal over temperature protection
TO220 4pin Full-Mold package
ON/OFF control
General Description
The G9233 positive 3.3V voltage regulator features
the ability to source 2A of output current. The dropout
voltage is 0.5V at 2A output current. The typical qui-
escent current is 5mA. Furthermore, the quiescent
current is smaller when the regulator is in the dropout
mode (VIN < 3.3V).
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 Vdis pin is pro-
vided to disable the output when needed.
Ordering Information
ORDER NUMBER MARKING TEMP. RANGE PACKAGE
G9233TF1T
G9233TH1T
G9233TH1Tf
G9233
G9233
G9233
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TO220F-4L
TO220F-4L
TO220F-4L (Pb free)
1
VIN
VIN
VIN
PIN OPTION
23
VO GND
VO GND
VO GND
4
Vdis
Vdis
Vdis
Order Number Identification
GXXXX XX X X
PACKAGE TYPE
TF : TO220F-4L (short lead)
TH : TO220F-4L (long lead)
1
1.: VIN
PIN OPTION
2
VO
3
GND
Packing Type
Pin Option
Package Type
Part Number
PACKING
4 T : Tube
Vdis
Typical Application
ON/OFF
VIN G9233
C1
4.7µF
IQ
IO
VOUT
COUT
47µF
Package Type
Ver: 0.6 Preliminary
May 30, 2004
1
TO 220F-4L
Top View
12 3 4
VIN VO GND Vdis
TEL: 886-3-5788833
http://www.gmt.com.tw
Global Mixed-mode Technology Inc.
G9233
Absolute Maximum Ratings
(Note 1)
Input Voltage……………………….…….………..……..8V
Vdis Voltage……………………………..…….…………8V
Power Dissipation Internally Limited
(Note 2)
Maximum Junction Temperature.…..…….…………..150°C
Storage Temperature Range……....-65°C ≤ TJ ≤+150°C
Lead Temperature, Time for Wave Soldering
TO220 Package…………….….……….…….260°C, 10s
Continuous Power Dissipation (TA = +25°C)
TO220 No heatsink…………….…………….….…..1.5W
TO220 with infinite heatsink…………………..….…15W
Operating Conditions
(Note 1)
Input Voltage……………………………………..3.6V~7V
Temperature Range………….…..…...-40°C ≤ TA ≤85°C
Electrical Characteristics
VIN =5V, IO = 0.5A, CIN = 4.7µF, COUT =47µF, TA = TJ = 25°C unless otherwise specified [Note 3]
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Ripple Rejection
Dropout Voltage
Short Circuit Current
Over Temperature
Disable Voltage High
Disable Voltage Low
Disable Bias Current High
Disable Bias Current Low
SYMBOL
CONDITION
IO =0.5A
4V < VIN < 7V, IO = 10mA
50mA < IO < 2A
VIN = 5V
fi = 120Hz, 1VP-P, IO = 100mA
IO = 2A
VdisH
VdisL
IdisH
IdisL
Output Active
Output Disabled
Vdis = 2.7V
Vdis = 0.4V
MIN
3.22
---
---
---
---
---
---
---
2.0
---
---
---
TYP
3.3
0.5
0.5
5
45
---
0.8
150
---
---
---
---
MAX
3.38
2
2
10
---
0.5
---
---
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0.8
20
20
UNIT
V
%
%
mA
dB
V
A
°C
V
V
µA
µA
Note 1: Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating
Conditions are conditions under which the device functions but the specifications might not be guaranteed. For
guaranteed specifications and test conditions see the Electrical Characteristics.
Note2: The maximum power dissipation is a function of the maximum junction temperature, TJmax ; total thermal
resistance, θJA, and ambient temperature TA. The maximum allowable power dissipation at any ambient
temperature is Tjmax-TA / θJA. If this dissipation is exceeded, the die temperature will rise above 150°C and
IC will go into thermal shutdown. For the TO 220 package, θJA is 60°C/W (No heat sink).
Note3: Low duty pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
Note4: The type of output capacitor should be tantalum or aluminum.
Definitions
Dropout Voltage
The input/output Voltage differential at which the regu-
lator output no longer maintains regulation against fur-
ther reductions in input voltage. Measured when the
output drops 2% below its nominal value, dropout volt-
age is affected by junction temperature, load current
and minimum input supply requirements.
Line Regulation
The change in output voltage for a change in input
voltage. The measurement is made under conditions of
low dissipation or by using pulse techniques such that
average chip temperature is not significantly affected.
Load Regulation
The change in output voltage for a change in load
current at constant chip temperature. The measure-
ment is made under conditions of low dissipation or
by using pulse techniques such that average chip
temperature is not significantly affected.
Maximum Power Dissipation
The maximum total device dissipation for which the
regulator will operate within specifications.
Quiescent Bias Current
Current which is used to operate the regulator chip
and is not delivered to the load.
Ver: 0.6 Preliminary
May 30, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
2
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G9233 regulator
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