Micrel, Inc.
MIC37300/01/02/03
Absolute Maximum Ratings
(1)
Supply Voltage (V
IN
) ............................................. 6.5V
Enable Input Voltage (V
EN
)
(3)
................................ 6.5V
Power Dissipation (P
D
)
(3)
.................. Internally Limited
Junction Temperature (T
J
).......... –40°C
≤
T
J
≤
+125°C
Storage Temperature (T
S
) .......... –65°C
≤
T
J
≤
+150°C
Lead Temperature (soldering, 5sec) ..................260°C
ESD Rating
(4)
..........................................................2kV
Operating Ratings
(2)
Supply Voltage (V
IN
).................................2.25V to 6.0V
Enable Input Voltage (V
EN
)............................0V to 6.0V
Junction Temperature (T
J
) ...........–40°C
≤
T
J
≤
+125°C
Package Thermal Resistance
S-Pak (θ
JC
) .................................................. 2°C/W
TO-263-5 (θ
JC
)............................................. 2°C/W
e-Pad SOIC-8 (θ
JC
) ................................... 10°C/W
Electrical Characteristics
(5)
T
A
= 25°C with V
IN
= V
OUT
+ 1V; V
EN
= V
IN
; I
L
= 10mA;
bold
values indicate –40°C < T
J
< +125°C, unless noted.
Parameter
Output Voltage Accuracy
Output Voltage Line Regulation
Output Voltage Load Regulation
V
IN
– V
OUT
Dropout Voltage
(6)
Conditions
I
L
= 10mA
10mA < I
OUT
< I
L(max)
, V
OUT
+ 1
≤
V
IN
≤
6V
V
IN
= V
OUT
+ 1.0V to 6.0V; I
L
= 10mA
I
L
= 10mA to 3A
I
L
= 1.5A
(e-Pad SOIC-8)
I
L
= 3A
(e-Pad SOIC-8)
I
L
= 3A
V
IL
≤
0.5V, V
IN
= V
OUT
+1V
V
OUT
= 0V
V
EN
= V
iN
, I
OUT
= 10mA, C
OUT
= 47µF
Regulator enable
Regulator shutdown
V
IL
≤
0.8V (Regulator shutdown)
V
IH
≥
2.25V (Regulator enable)
Min
-1
-2
Typ
Max
+1
+2
Units
%
%
%
%
mV
mV
mA
mA
µA
A
µs
V
V
µA
µA
µA
µA
µA
µA
mV
mV
%
%
%
V
V
nA
nA
0.02
0.2
175
300
27
1.0
4.75
170
Ground Pin Current
(7)
Ground Pin Current in Shutdown
Current Limit
Start-up Time
Enable Input
Enable Input Threshold
Enable pin Input Current
0.5
1
350
400
500
550
40
50
5
6.5
500
2.25
0.8
2
4
30
75
1
2
400
500
1
15
Flag Output
I
FLG(LEAK)
V
FLG(LO)
V
FLG
V
OH
= 6V
V
IN
= 2.25V, I
OL
= 250µA
(8)
Low Threshold, % of VOUT below nominal
Hysteresis
High Threshold, % of VOUT below nominal
93
2
210
99.2
1.228
1.215
1.240
40
1.252
1.265
80
120
MIC37302 Only
Reference Voltage
Adjust Pin Bias Current
October 2009
4
M9999-102909
MICREL [ MICREL SEMICONDUCTOR ]
