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S-5840BAG-M5T1X Datasheet, PDF (1/15 Pages) Seiko Instruments Inc – TEMPERATURE SWITCH IC | |||
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S-5840B Series
www.sii-ic.com
TEMPERATURE SWITCH IC (THERMOSTAT IC) WITH LATCH
© SII Semiconductor Corporation, 2007-2012
Rev.2.1_01
The S-5840B Series is a temperature switch IC (thermostat IC) with a latch function which detects the temperature with a
temperature accuracy of ±2.5°C. When the temperature reaches the detection temperature, the output signal is inverted and
being latched until the S-5840B Series detects decrease in a power supply voltage.
The S-5840B Series operates at the lower power supply voltage of 1.0 V and its current consumption is 12 μA typ. due to
CMOS configuration.
The S-5840B Series has a temperature sensor using negative temperature coefficient, a reference voltage generation
circuit, comparator, voltage detection circuit and noise suppression circuit on a chip, and they are enclosed in package
SOT-23-5.
ï® Features
⢠Detection temperature:
TDET = +55 to +95°C, +1°C step, detection accuracy: ±2.5°C
⢠Wide voltage operation:
VDD = 1.0 V to 10.0 V
⢠Release voltage:
VRET = 2.2 V to 3.4 V, 0.1 V step
⢠Low current consumption:
IDD = 12 μA typ. (Ta = +25°C).
⢠Built-in noise suppression circuit for preventing temperature detection malfunction
⢠Output logic level is fixed by the latch after temperature detection.
⢠Selectable output logic in active "H" or "L"
⢠Selectable output form in CMOS or Nch open drain
⢠Operation temperature range:
Ta = â40°C to +100°C
⢠Lead-free, Sn 100%, halogen-free*1
*1. Refer to "ï® Product Name Structure" for details.
ï® Applications
⢠Game console
⢠Electronic device
ï® Package
⢠SOT-23-5
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