mic37252 Micrel Semiconductor, mic37252 Datasheet - Page 3

• Manufacturer Part Number: mic37252
• Description: Mic37252 2.5a, Low Voltage ?cap Ldo Regulator
• Manufacturer: Micrel Semiconductor

Absolute Maximum Ratings
Supply Voltage (V
Enable Input Voltage (V
Power Dissipation .....................................Internally Limited
Junction Temperature .........................–40°C ≤ T
Storage Temperature ..........................–65°C ≤ T
Lead Temperature (soldering, 5sec.)......................... 260°C
EDS
Electrical Characteristics
T
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Device is ESD sensitive. Handling precautions recommended.
4. P
5. Specification for packaged product only
6. V
7. I
Micrel, Inc.
Parameter
Output Voltage Accuracy
Output Voltage Line Regulation
Output Voltage Load Regulation
V
Note 6
Ground Pin Current, Note 7
Ground Pin Current in Shutdown
Current Limit
Start-up Time
Enable Input
Enable Input Threshold
Enable Pin Input Current
Reference Voltage
Adjust Pin Bias Current
February 2006
A
IN
specification does not apply due to a minimum input operating voltage of 3V
= 25°C with V
GND
D(max)
DO
– V
(3)
= V
is the quiescent current. I
OUT
= T
IN
– V
; Dropout Voltage,
J(max)
OUT
– T
when V
IN
A
) / θ
IN
= V
) ......................................................6.5V
JA
OUT
OUT
, where θ
EN
decreased to 98% of its nominal output voltage with V
)............................................6.5V
+ 1V; V
IN
= I
GND
JA
, depends upon the printed circuit layout. See “Applications Information.”
+ I
EN
Condition
I
10mA < I
V
I
I
I
I
V
V
V
Regulator enable
Regulator shutdown
V
V
L
L
L
L
L
OUT
(5)
IN
IL
OUT
EN
IL
IH
= V
= 10mA
= 10mA to 2.5A
= 1.5A
= 2.5A
= 2.5A
.
≤ 0.5V, V
≤ 0.8V (Regulator shutdown)
= V
≥ 2.25V (Regulator enable)
= V
(1)
= 0; V
IN
OUT
; I
IN
OUT
, I
L
+ 1.0V to 6.0V, I
= 10mA, bold values indicate –40°C< T
OUT
IN
IN
< I
= 3.3V
= V
= 10mA, C
J
J
L(max)
≤ +125°C
≤ +150°C
OUT
, V
+ 1V
OUT
OUT
+ 1 ≤ V
L
= 10mA
= 47µF
3
Operating Ratings
Supply voltage (V
Enable Input Voltage (V
Junction Temperature Range .............–40°C ≤ T
Maximum Power Dissipation
Package Thermal Resistance
IN
≤ 6V
S-Pak (θ
TO-263-5 (θ
IN
= V
OUT
+ 1V. For output voltages below 2V, dropout voltage
JC
) ..........................................................2°C/W
JC
IN
).....................................................2°C/W
) ......................................... 3.0V to 6.0V
1.215
1.202
2.25
J
Min
-2
-3
1
< +125°C, unless otherwise noted.
EN
(2)
).................................. 0V to 6.0V
(4)
1.240
0.02
Typ
400
550
150
0.2
1.0
40
10
40
3
1.265
1.277
1000
Max
500
250
120
0.5
0.8
+2
+3
60
30
80
[phone]
M9999-021606
1
2
4
MIC37252
J
≤ +125°C
Units
mV
mV
mA
µA
µA
µA
µA
nA
nA
µs
%
%
%
%
A
V
V
V
V