cess. A silicon-on-insulator MOSFET is the power device.
The HT-LREG is designed specifically for severe high-
temperature applications such as down-hole oil well, aero-
space, turbine engine and industrial control.
In
f
V
IN
or
m
ce
GND
FUNCTIONAL DIAGRAM
at
V
OUT
HT–LREG
Shutdown
All parts are burned in at elevated temperature to eliminate
infant mortality. Additionally, each part is tested over -55 to
+225°C to provide guaranteed performance over the entire
temperature band. The HT-LREG is a high-reliability part
designed specifically for applications with an extremely
wide operating temperature range.
A
dv
The HT-LREG is available with a calibrated +5, +10, or
+15V output. Output current is 300 mA over the specified
temperature range, while quiescent current is 2.0 mA.
Internal short circuit protection is provided which includes
current limit and foldback.
an
io
n
HT-LREG
ELECTRICAL CHARACTERISTICS
Parameter
Test Conditions
V
IN
= V
OUT
+ 3VDC
I
OUT
= 300 mA
V
IN
= V
OUT
+ 3VDC
I
OUT
= 50 mA
V
IN
= V
OUT
+ 5VDC
I
OUT
= 50 to 300 mA
V
IN
= V
OUT
+ 5VDC
V
IN
= V
OUT
+ 5VDC
I
OUT
= 0
V
IN
= V
OUT
+ 5VDC
-55 to +225°C, unless otherwise specified
Typical
Output Voltage
V
OUT
+ 1.0%
Line Regulation
V
OUT
+ 0.3%
Load Regulation
V
OUT
+ 0.5%
Ripple Rejection at 120 Hz
-60db
Short Circuit Current Limit Treshold
VA
FO N
RM CE
AT
IO
N
V
IN
8-25V
13-28V
18-28V
Standby Current
2mA
350mA
Short Circuit Current
V
IN
= 10V, V
OUT
= 0V
60mA
Noise Output
Differential Voltage
V = V
IN
– V
OUT
AD
V
IN
= V
OUT
+ 5VDC
I
OUT
= 300 mA , 25° C
I
OUT
= 300 mA
2mVRMS
3V Min
ABSOLUTE MAXIMUM RATINGS (1)
Rating
Output Current
Input Voltage
Operating
Temperature
Power Dissipation
Symbol
I
OUT
V
IN
Top
Pd
Value
350
+30
300
5
Unit
mA
VDC
°C
W
IN
ORDERING INFORMATION
Type
HT-LREG 05
HT-LREG 10
HT-LREG 15
V
OUT
5V
10V
15V
M A X I
OUT
300mA
300mA
300mA
(1) Stresses in excess of those listed above may result in permanent
damage. These are stress ratings only, and operation at these levels
is not implied. Frequent or extended exposure to absolute maximum
conditions may affect device reliability.
Honeywell reserves the right to make changes to any products or technology herein to improve reliability, function or design. Honeywell does not assume any liability
arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others.
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