Micrel, Inc.
MIC39150/39151/39152
Absolute Maximum Ratings
(1)
Supply Voltage (V
IN
) ....................................... –20V to +20V
Enable Voltage (V
EN
)....................................................+20V
Storage Temperature (T
s
) .........................–60°C to +150°C
Lead Temperature (soldering, 5 sec.)........................ 260°C
ESD Rating................................................................
Note 3
Operating Ratings
(2)
Supply Voltage (V
IN
).................................... +2.25V 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
TO-252 (θ
JC
) ........................................................3°C/W
TO-252 (θ
JA
) ......................................................56°C/W
Electrical Characteristics
(5)
V
IN
= V
EN
= V
OUT
+ 1V; I
OUT
= 10mA; T
J
= 25°C,
bold
values indicate –40°C< T
J
< +125°C, unless noted.
Symbol
Parameter
Condition
Min
Typ
Max
Units
V
OUT
Output Voltage
Line Regulation
Load Regulation
10mA
10mA
≤
I
OUT
≤
1.5A, V
OUT
+ 1V
≤
V
IN
≤
8V
I
OUT
= 10mA, V
OUT
+ 1V
≤
V
IN
≤
16V
V
IN
= V
OUT
+ 1V, 10mA
≤
I
OUT
≤
1.5A
–1
–2
0.06
0.2
20
1
2
0.5
1
100
200
500
20
%
%
%
%
ppm/°C
mV
mV
mV
mA
mA
mA
A
∆V
OUT
/∆T
V
DO
Output Voltage Temp.
Coefficient,
Note 6
Dropout Voltage,
Note 7
I
OUT
= 100mA,
∆V
OUT
= –1%
I
OUT
= 750mA,
∆V
OUT
= –1%
I
OUT
= 1.5A,
∆V
OUT
= –1%
80
260
375
4
17
1.1
2.8
7
I
GND
I
GND(do)
I
OUT(lim)
I
OUT(min)
t
START
V
EN
I
IN
Ground Current,
Note 8
Dropout Ground Pin Current
Current Limit
Minimum Load Current
Start-up Time
Enable Input Voltage
Enable Input Current
I
OUT
= 750mA, V
IN
= V
OUT
+ 1V
I
OUT
= 1.5A, V
IN
= V
OUT
+ 1V
V
IN
≤
V
OUT(nominal)
– 0.5V, I
OUT
= 10mA
V
OUT
= 0V, V
IN
= V
OUT
+ 1V
V
EN
= V
IN
, I
OUT
= 10mA, C
OUT
= 47µF
logic low (off)
logic high (on)
V
EN
= 2.25V
V
EN
= 0.8V
2.25
10
150
0.8
mA
µs
V
V
µA
µA
µA
µA
µA
µA
µA
mV
mV
%
%
%
35
Enable Input (MIC39151)
1
15
30
75
2
4
I
OUT(shdn)
I
FLG(leak)
V
FLG(do)
V
FLG
Shutdown Output Voltage
Output Leakage Current
Output Low Voltage
Low Threshold
High Threshold
Hysteresis
Note 9
10
0.01
180
93
20
Flag Output (MIC39151)
V
OH
= 16V
V
IN
= 2.250V, I
OL
= 250µA,
Note 10
% of V
OUT
% of V
OUT
1
2
300
400
99.2
1
October 2009
4
M9999-102309-A
MICREL [ MICREL SEMICONDUCTOR ]
