Micrel, Inc.
MIC37150/51/52/53
Notes:
1.
2.
3.
4.
5.
6.
7.
8.
9.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended.
P
D(MAX)
= (T
J(MAX)
– T
A
) /
θ
JA
, where
θ
JA
, depends upon the printed circuit layout. See “Applications Information.”
Specification for packaged product only.
V
DO
= V
IN
– V
OUT
when V
OUT
decreased to 98% of its nominal output voltage with V
IN
= V
OUT
+1V. For output voltages below 1.75V, dropout voltage
specification does not apply due to a minimum input operating voltage of 2.25V.
I
IN
is the quiescent current. I
IN
= I
IN
+ I
OUT
.
For a 2.5V device, V
IN
= 2.250V (device is in dropout).
V
REF
≤
V
OUT
≤
(V
IN
–1.0V), 2.25V
≤
V
IN
≤
6.0V, 10mA
≤
I
L
≤
1.5A, T
J
= T
MAX
.
10. Thermal regulation is defined as the change in output voltage at a time t after a change in power dissipation is applied, excluding load or line
regulation effects. Specifications are for a 200mA load pulse at V
IN
= 6V for t = 10ms.
October 2007
5
M9999-101907
MICREL [ MICREL SEMICONDUCTOR ]
