Datasheet

Micrel, Inc. MIC5235
May 2008 3
M9999-051508
Absolute Maximum Ratings
(1)
Input Supply Voltage ........................................ –20V to 38V
Enable Input Voltage....................................... –0.3V to 38V
Power Dissipation .....................................Internally Limited
Junction Temperature ...............................–40°C to +125°C
Storage Temperature ................................–65°C to +150°C
ESD Rating
(3)
Operating Ratings
(2)
Input Supply Voltage ......................................... 2.3V to 24V
Enable Input Voltage............................................ 0V to 24V
Junction Thermal....................................... –40°C to +125°C
Package Thermal Resistance
SOT-23-5 (θ
JA
).................................................235°C/W
Electrical Characteristics
(4)
T
A
= 25°C with V
IN
= V
OUT
+ 1V; I
OUT
= 100µA, Bold values indicate –40°C<T
J
<+125°C; unless otherwise specified.
Parameter Condition Min Typ Max Units
Output Voltage Accuracy Variation from nominal V
OUT
–1.0
–2.0
+1.0
+2.0
%
%
Line Regulation V
IN
= V
OUT
+ 1V to 24V 0.04 %
Load Regulation Load = 100µA to 150mA 0.25 1 %
Dropout Voltage
I
OUT
= 100µA
I
OUT
= 50mA
I
OUT
= 100mA
I
OUT
= 150mA
50
230
270
310
300
400
400
450
450
500
mV
mV
mV
mV
mV
mV
mV
Reference Voltage 1.22 1.24 1.25 V
Ground Current
I
OUT
= 100µA
I
OUT
= 50mA
I
OUT
= 100mA
I
OUT
= 150mA
18
0.35
1
2
30
35
0.7
2
4
µA
µA
mA
mA
mA
Ground Current in Shutdown V
EN
≤ 0.6V; V
IN
= 24V 0.1 1 µA
Short Circuit Current V
OUT
= 0V 350
500
mA
Output Leakage,
Reverse Polarity Input
Load = 500Ω; V
IN
= –15V –0.1 µA
Enable Input
Input Low Voltage Regulator OFF
0.6
V
Input High Voltage Regulator ON
2.0
V
Enable Input Current
V
EN
= 0.6V; Regulator OFF
V
EN
= 2.0V; Regulator ON
V
EN
= 24V; Regulator ON
–1.0
0.01
0.1
0.5
1.0
1.0
2.5
µA
µA
µA
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
4. Specification for packaged product only.