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G965 Datasheet(PDF) 2 Page - Global Mixed-mode Technology Inc

Part No. G965
Description  1.5A Low Dropout Regulator with Enable
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Maker  GMT [Global Mixed-mode Technology Inc]
Homepage  http://www.gmt.com.tw
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G965 Datasheet(HTML) 2 Page - Global Mixed-mode Technology Inc

   
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Ver: 1.5
Apr 01, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
2
G965
Global Mixed-mode Technology Inc.
Absolute Maximum Ratings
(Note 1)
Input Voltage……………………….……..……….……7V
VEN Voltage…………..……………….…………VIN+0.3V
Power Dissipation Internally Limited
(Note 2)
Maximum Junction Temperature…………………150°C
Storage Temperature Range…..…-65°C
≤T
J ≤ +150°C
Reflow Temperature (soldering, 10sec)…….….260°C
Thermal Resistance Junction to Ambient, (
θ
JA)
SOP-8……………………………………..….…162°C/W
Thermal Resistance Junction to Case, (
θ
JC)
SOP-8……………………………………………....31°C/W
ESD Rating (Human Body Model)………..……..…2kV
Operation Conditions
(Note 1)
Input Voltage……………………………….….2.2V ~5.5V
Temperature Range………….………-40°C
≤T
A ≤ +85°C
Electrical Characteristics
VEN=VIN, VIN =5V, IO = 0.5A, CIN = 4.7µF, COUT =10µF, TA = TJ = 25°C unless otherwise specified (Note 3)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNIT
Supply Voltage
VIN
2.2
---
5.5
V
Output Voltage
VO
VIN=VO +0.7V, IO=10mA
-2
VO
2
%
Line Regulation
VO+0.7V < VIN < 5.5V, IO=10mA
---
0.2
2
%
Load Regulation
10mA < IO < 1.5A
---
0.8
2
%
VIN=3.3V,VEN=VIN
---
1.7
2.5
mA
Quiescent Current
IQ
VIN=3.3V,VEN=0V
---
16
35
µA
Ripple Rejection
fi=120Hz, 1VP-P, IO=100mA
---
55
---
dB
Dropout Voltage
VD
IO=1.5A
---
0.5
0.65
V
Short Circuit Current
---
0.8
---
A
Over Temperature
---
150
---
°C
VEN Voltage High
VENH
Output Active
1.6
---
---
V
VEN Voltage Low
VENL
Output Disabled
---
---
0.4
V
VEN Bias Current Low
IENL
VEN=0.4V
---
---
20
µA
ADJ Reference Voltage
VREF
VIN=2.2V, VADJ=VOUT, IO=10mA
1.188
1.2
1.212
V
ADJ Pin Threshold
---
0.2
---
V
Note 1: Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Con-
ditions 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,
θ
JA, 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.
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 regula-
tor output no longer maintains regulation against further
reductions in input voltage. Measured when the output
drops 2% below its nominal value, dropout voltage is
affected by junction temperature, load current and mini-
mum input supply requirements.
Line Regulation
The change in output voltage for a change in input volt-
age. The measurement is made under conditions of low
dissipation or by using pulse techniques such that aver-
age 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 tem-
perature 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.


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