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PDF A4804 Data sheet ( Hoja de datos )
| Número de pieza | A4804 | |
| Descripción | HIGH-PRECISION N-CH LOW VOLTAGE DETECTOR | |
| Fabricantes | AiT Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de A4804 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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AiT Semiconductor Inc.
www.ait-ic.com
A4804
SUPERVISOR (RESET IC)
HIGH-PRECISION N-CH LOW VOLTAGE DETECTOR
DESCRIPTION
A4804 is a series of high precision voltage
detector with ultra low current consumption
(500nA typ. at VDD = 3.0V). It can work at very low
voltage, which makes it perfect for system reset.
A4804 is composed of high precision voltage
reference, comparator, output driver and resistor
array. Internally preset detect voltage has a low
temperature drift and requires no external
trimming.
N-channel open-drain is available.
A4804 is available in SOT-23 package.
ORDERING INFORMATION
Package Type
Part Number
SOT-23
Note
A4804E3R-XXN
E3
A4804E3VR-XXN
XX: Output Voltage
09=0.9V,27=2.7V,60=6.0V
N: N-channel open drain
V: Halogen free Package
R: Tape & Reel
AiT provides all RoHS products
Suffix “ V “ means Halogen free Package
FEATURES
High-precision detection Voltage: ±3%
Detection Voltage: 0.9V~6.0V (in 0.1V step)
Precise hysteresis: 4% typ.
Operating Voltage range: 0.7V~10V
Ultra-low current consumption: 500nA typ.
(at VDD＝3.0V)
Available in SOT-23 package
APPLICATION
Power monitor for portable equipment such as
PDA, DSC, Mobile phone,Notebook,MP3
CPU and Logic Circuit Reset
Battery Checker
Battery Back-up Circuit
Power Failure Detector
TYPICAL APPLICATION
REV1.2
- JUL 2011 RELEASED, JUN 2013 UPDATED -
-1-
1 page  
AiT Semiconductor Inc.
www.ait-ic.com
A4804
SUPERVISOR (RESET IC)
HIGH-PRECISION N-CH LOW VOLTAGE DETECTOR
7. Detector threshold = 3.0V (-40°C)
8. Detector threshold = 3.0V (25°C)
9. Detector threshold = 3.0V (70°C)
10. Detector threshold = 4.4V (-40°C)
11. Detector threshold = 4.4V (25°C)
12. Detector threshold = 4.4V (70°C)
REV1.2
- JUL 2011 RELEASED, JUN 2013 UPDATED -
-5-
5 Page 
AiT Semiconductor Inc.
www.ait-ic.com
OUTPUT ACTION
A4804
SUPERVISOR (RESET IC)
HIGH-PRECISION N-CH LOW VOLTAGE DETECTOR
No. Operation status
I VDD >- VDET
II VDD drops below - VDET
III VDD drops further below VDDL
IV VDD rises above VDDL
V VDD rises above + VDET
Output status
Output voltage is equal to the supply voltage
Output voltage equals to GND level
Output voltage is undefined
Output voltage equals to GND level
Output voltage equals to supply voltage, VHYS = (+VDET) - (-VDET)
REV1.2
- JUL 2011 RELEASED, JUN 2013 UPDATED -
- 11 -
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet A4804.PDF ] | |
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