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PDF TK61040STL Data sheet ( Hoja de datos )
| Número de pieza | TK61040STL | |
| Descripción | VOLTAGE DETECTOR | |
| Fabricantes | TOKO | |
| Logotipo |  |
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ADVANCED
INFORMATION
FEATURES
s Very Low Quiescent Current ( 1 µA)
s No External Components
s Built In Hysteresis (5% typ.)
s ±2 % Voltage Detection Accuracy
s Miniature Package (SOT23-5)
TK610xx
VOLTAGE DETECTOR
APPLICATIONS
s Battery Powered Systems
s Wireless Telephones
s Pagers
s Personal Communications Equipment
s Personal Digital Assistants
DESCRIPTION
The TK610xx family of voltage detectors is designed to
provide accurate monitoring of the battery voltage. These
low powered CMOS devices require no external
components and are available in 0.1 V steps from 2.0 V to
5.0 V.
When the input voltage reaches the detection voltage, the
output goes low. This detection voltage has a ±2 %
accuracy and is set at the factory. When the input voltage
goes high, the output will stay low until the voltage reaches
the detection voltage plus hysteresis (+3 to +7 %).
The TK610xx is available in a miniature SOT23-5 surface
mount package.
TK610xx
OUT
VDD01S
GND
NC
NC
BLOCK DIAGRAM
ORDERING INFORMATION
TK610 S
Voltage Code
Tape/Reel Code
VDD
Vref
VOLTAGE CODE *
23 = 2.3 V 36 = 3.6 V
25 = 2.5 V 40 = 4.0 V
27 = 2.7 V 41 = 4.1 V
30 = 3.0 V 42 = 4.2 V
33 = 3.3 V 45 = 4.5 V
* Consult factory for availability of other voltages
October 1999 TOKO, Inc.
TAPE/REEL CODE
TL: Tape Left
GND
OUT
Page 1
1 page  
TK610xx
DEFINITION AND EXPLANATION OF TECHNICAL TERMS
DETECTION VOLTAGE (VDET)
When VDD goes below the detection voltage, the output
goes low.
HYSTERESIS VOLTAGE (VHYS)
When VDD goes above the sum of the detection voltage
and the hysteresis voltage, the output goes high.
SUPPLY CURRENT (ISSL)
Supply current (VDD = 1 V)
SUPPLY CURRENT (ISSM)
Supply current (VDD = 5 V) 2.0 V ≤ setting voltage ≤ 4.1 V
SUPPLY CURRENT (ISSH)
Supply current (VDD = 7 V) 4.2 ≤ setting voltage ≤ 5.0 V
OUTPUT CURRENT (ION1)
Output sink current of output N channel FET
VDD = 0.8 V, VDS = 0.5 V
OUTPUT CURRENT (ION2)
Output sink current of output N channel FET
VDD = 1.5 V, VDS = 0.5 V
OUTPUT CURRENT (IOP1)
Output source current of output P channel FET
VDD = 4.5 V, VDS = 2.1 V, 2.0 V ≤ setting voltage ≤ 4.1 V
VOLTAGE ACCURACY (VERR)
Error ratio of set voltage
VERR = 100 * (VDET - Setting Voltage)/ Setting Voltage
expressed in %
MAXIMUM OPERATING VOLTAGE (VDDH)
The maximum operating voltage.
LOWEST OPERATING VOLTAGE (VDDL)
Voltage when VDD is reduced and output goes up from 0 V
to 100 mV.
DETECTION VOLTAGE TEMPERATURE COEFFICIENT
(∆ VDET / VDET * ∆T)
Temperature coefficient of detection voltage.
∆ VDET = 1000000 * (VDET(T) - VDET(25 °C))
VDET * ∆T
VDET (25 °C) * (T - 25 °C)
RISE PROPAGATION DELAY TIME (tDR)
The delay time for the output to reach (VDET + 2.0 V) / 2
when VDD goes from VLOW = 0.8 V to VHIGH = VDET + 2.0 V
HYSTERESIS (HYS)
Ratio of hysteresis voltage to detection voltage
HYS = 100 * (VHYS - VDET) / VDET expressed in %
October 1999 TOKO, Inc.
Page 5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet TK61040STL.PDF ] | |
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