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GM66500-1.8TA3T Datasheet(PDF) 4 Page - Gamma Microelectronics Inc.

Part # GM66500-1.8TA3T
Description  5A ULTRA LOW - DROPOUT REGULATOR
Download  11 Pages
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Manufacturer  GAMMA [Gamma Microelectronics Inc.]
Direct Link  http://www.gammamicro.com.tw/
Logo GAMMA - Gamma Microelectronics Inc.

GM66500-1.8TA3T Datasheet(HTML) 4 Page - Gamma Microelectronics Inc.

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4
ELECTRICAL CHARACTERISTICS
T = 25°C, bold values indicate -40°C
T
+125°C; unless noted
JJ
Parameter
Conditions
Min
Typ
Max
Unit
Line Regulation
Load Regulation
Output Voltage change with
Temperature Coef. Note 5
Dropout Voltage Note 6
Ground Current Note 7
Ground Pin Current at
Dropout I
GNDDO
Current Limit
Output Noise Voltage
Output Voltage
I
= 10 mA
O
DV
= -2% (Note 3)
OUT
I
= 250mA
OUT
I
= 2.5A
OUT
I
= 5A
OUT
I
= 2.5A, V
= V
+ 0.8V
OUT
IN
OUT
I
= 5A,
OUT
V
= V
+ 0.8V Charactize
IN
OUT
-1
-2
0.06
0.20
125
320
400
15
70
2.1
7.5
260
1
2
0.5
1.0
%
%
%
ppm/°C
mV
mA
A
µV
(rms)
%
V
= 0V,
(Note 4)
OUT
V
= V
+ 1.0V
IN
OUT
C
= 47µF, l
OUT
= 100mA, 10Hz to 100kHz
OUT
mA
Enable Input Voltage
Enable Input Current
V
µA
Enable Input (GM66501)
2.25
0.8
10mA
I
16V
OUT
OUT
IN
I
= 10mA,
OUT
V
16V
OUT
IN
V
= V
I
5A
IN
OUT
OUT
V
IN
V
-0.5V, I
=10mA
OUT(nominal)
OUT
Logic Low (off)
V
= V
EN
IN
Logic high (on)
V
= 0.8V
EN
V
35
75
2
4
30
Shutdown Output Current
10
µA
µA
Flag Output (GM66501)
Output Leakage Current
Output Low Voltage
Low Threshold
High Threshold
Hysteresis
0.01
220
1
µA
mV
%
%
%
V
= 16V
OH
V
= 2.25V, I
= 250µA
IN
OL
(Note 9)
1% of V
OUT
1
2
300
400
99.2
1% of V
OUT
93
Note 1. Exceeding the absolute maximum ratings may damage the device.
Note 2. The device is not guaranteed to function outside its operating rating.
Note 3. Devices are ESD sensitive. Handing precautions recommended.
Note 4. P
=(T
-T ) ÷ q
, where q
depends upon the printed circuit layout. See "Applications Information".
D(max)
J(max)
A
JA
JA
Note 5. Output voltage temperature coefficient is DV
÷ (T
- T
) where T
is +125°C and T
is -40°C.
OUT(worst case)
J(max)
J(min)
J(max)
J(min)
Note 6. V
=V
-V
when V
decreases to 98% of its nominal output voltage with V
=V
+1V. For voltages below 2.25V,
DO
IN
OUT
OUT
IN
OUT
dropout voltage is the input-to-output voltage differential with the minimum input voltage being 2.25V. Minimum input
operating voltage is 2.25V.
Note 7. I
is the quiescent current. I
= I
+ I
GND
IN
GND
OUT
Note 8. V
0.8V, V
8V, and V
= 0V
EN
IN
OUT
Note 9. For a 2.5V device, V
= 2.25V(device is in dropout).
IN
DV/ DT
OUT
20
250
575
100
(Note 8)
A
A
MICROELECTRONICS
GM66500 SERIES
5A ULTRA LOW - DROPOUT REGULATOR
+ 1.0V
V
5A, V
+ 1.0V
V
+ 1.0V,
10mA
Note 10.Design with proper heat sink to dissapate heat to keep chip from thermal protection when V IN -VOUT
0.6V
Power Management


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