Micrel, Inc.
MIC39300/39301/39302
Absolute Maximum Ratings
(1)
Supply Voltage (V
IN
) ....................................... –20V to +20V
Enable Voltage (V
EN
)....................................................+20V
Storage Temperature (T
S
)................–65°C to +150°C Lead
Temperature (soldering, 5 sec.) ................................. 260°C
ESD Rating................................................................
Note 3
Operating Ratings
(2)
Supply Voltage (V
IN
)...................................... +2.5V to +16V
Enable Voltage (V
EN
)....................................................+16V
Maximum Power Dissipation (P
D(max)
) .......................
Note 4
Junction Temperature (T
J
) ........................ –40°C to +125°C
Package Thermal Resistance
TO-263 (θ
JC
) ........................................................2°C/W
TO-220 (θ
JC
) ........................................................2°C/W
Electrical Characteristics
(5)
T
J
= 25°C,
bold
values indicate –40°C
≤
T
J
≤
+125°C, unless noted.
Symbol
V
OUT
Parameter
Output Voltage
Line Regulation
Load Regulation
∆V
OUT
/∆T
V
DO
Output Voltage Temp.
Coefficient
Note 6
Dropout Voltage
Note 7, Note 10
I
OUT
= 100mA,
∆V
OUT
= –1%
I
OUT
= 750mA,
∆V
OUT
= –1%
I
OUT
= 1.5A,
∆V
OUT
= –1%
I
OUT
= 3A,
∆V
OUT
= –1%
I
GND
Ground Current
Note 8
I
GND(do)
I
OUT(lim)
V
EN
I
IN
Dropout Ground Pin Current
Current Limit
Enable Input Voltage
Enable Input Current
I
OUT
= 750mA, V
IN
= V
OUT
+ 1V
I
OUT
= 1.5A, V
IN
= V
OUT
+ 1V
I
OUT
= 3A, V
IN
= V
OUT
+ 1V
V
IN
≤
V
OUT
(nominal) – 0.5V, I
OUT
= 10mA
V
OUT
= 0V, VIN = VOUT + 1V
logic low (off)
logic high (on)
V
EN
= 2.5V
V
EN
= 0.8V
I
OUT(shdn)
Shutdown Output Current
10
2.5
15
30
75
2
4
Note 9
20
1
2
300
400
99.2
1
65
185
250
385
10
17
45
6
4.5
550
20
200
mV
mV
mV
mV
mA
mA
mA
mA
A
V
V
µA
µA
µA
µA
µA
µA
µA
mV
mV
%
%
%
Condition
10mA
10mA
≤
I
OUT
≤
3A, V
OUT
+ 1V
≤
V
IN
≤
8V
I
OUT
= 10mA, V
OUT
+ 1V
≤
V
IN
≤
8V
V
IN
= V
OUT
+ 1V, 10mA
≤
I
OUT
≤
3A
Min
–1
–2
0.06
0.2
20
Typ
Max
1
2
0.5
1
100
Units
%
%
%
%
ppm/°C
Enable Input (MIC39301)
0.8
Flag Output (MIC39301)
I
FLG(leak)
V
FLG(do)
V
FLG
Output Leakage Current
Output Low Voltage
Low Threshold
High Threshold
Hysteresis
V
OH
= 16V
V
IN
= 2.50V, I
OL
, = 250µA,
Note 10
% of V
OUT
% of V
OUT
93
0.01
220
October 2009
4
M9999-102309-A
MICREL [ MICREL SEMICONDUCTOR ]
