Datasheet

V
DD
GND
1 PA
SM72480
TEMP
SENSOR
TEMP
THRESHOLD
V
DD
V
DD
TRIP TEST = 1
TRIP TEST = 0
(Default)
V
TEMP
OVERTEMP
GND
TRIP
TEST
OVERTEMP
V
TRIP
V
TS
6
5
1
2
4
3
-50
0 50 100 150
DIE TEMPERATURE (
o
C)
0
500
1000
1500
2000
2500
3000
3500
VTEMP OUTPUT VOLTAGE (mV)
120
o
C ± 125
o
C Trip
105
o
C Trip
SM72480
SNIS156C –NOVEMBER 2010–REVISED APRIL 2013 www.ti.com
Typical Transfer Characteristic
Figure 2. V
TEMP
Analog Voltage vs Die Temperature
Block Diagram
PIN DESCRIPTIONS
Pin
Name Type Equivalent Circuit Description
No.
TRIP TEST pin. Active High input.
If TRIP TEST = 0 (Default) then:
V
TEMP
= V
TS
, Temperature Sensor Output Voltage
TRIP Digital
1 If TRIP TEST = 1 then:
TEST Input
OVERTEMP and OVERTEMP outputs are asserted and
V
TEMP
= V
TRIP
, Temperature Trip Voltage.
This pin may be left open if not used.
2 Submit Documentation Feedback Copyright © 2010–2013, Texas Instruments Incorporated
Product Folder Links: SM72480