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