BDJXXX1HFV Datasheet, PDF (3/10 Pages) Rohm – Thermostat Output Temperature Sensor ICs with Power Down Function BDJ 1HFV Series

BDJ□□□1HFV Series
● Block Diagram
Vtemp ¹
GND 2
PD 3
IRef
VRef
TEMP
SENSOR
PD
5 ^VDD
4 OS
Technical Note
● PIN DESCRIPTION
PIN
PIN
NO.
NAME
FUNCTION
Output voltage in inverse
1
Vtemp proportion to the temperature
( TYP. -8.20mV/℃ )
2
GND GROUND
PD control
3
PD
H : Normal function mode
L : Power Down mode
4
OS Digital thermostat output
5
VDD POWER SUPPLY
● EQUIVALENT CIRCUIT
PD
VDD
COMMENT
Set the OPEN state or connect high impedance
input node.(over 10MΩ）
"H" Thermostat and Analog output operation.
"L" Power Down state.
Open Drain Active H.
Use the pull-up resistor more than 10kΩ.
OS
OS
PD
GND
VDD
Vtemp
Vtemp
GND
Use the pull-up resistor more than 10kΩ.
GND
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2009.08 - Rev.C