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S-1009

SUPER-LOW CURRENT CONSUMPTION SUPER HIGH-ACCURACY VOLTAGE DETECTOR

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S-1009 Series

www.sii-ic.com © Seiko Instruments Inc., 2009-2012

SUPER-LOW CURRENT CONSUMPTION SUPER HIGH-ACCURACY VOLTAGE DETECTOR WITH DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING)
Rev.5.1_00

The S-1009 Series is a super high-accuracy voltage detector developed using CMOS technology. The detection voltage is fixed internally with an accuracy of ±0.5%. It operates with super low current consumption of 270 nA typ. The release signal can be delayed by setting a capacitor externally. Delay time accuracy is ±15%. Two output forms Nch open-drain and CMOS output are available. Compared with conventional CMOS voltage detectors, the S-1009 Series is the most suitable for the portable devices due to the super-low current consumption, super high-accuracy and small packages.

„ Features
• Detection voltage: • Detection voltage accuracy:
• Current consumption: • Operation voltage range: • Hysteresis width: • Delay time accuracy: • Output form:
• Operation temperature range: • Lead-free (Sn 100%), halogen-free

0.8 V to 4.6 V (0.1 V step) ±0.5% (2.4 V ≤ −VDET ≤ 4.6 V) ±12 mV (0.8 V ≤ −VDET < 2.4 V) 270 nA typ. (1.2 V ≤ −VDET < 2.3 V) 0.6 V to 10.0 V (CMOS output product) 5% ±1% ±15% (CD = 4.7 nF) Nch open-drain output (active "L") CMOS output (active "L") Ta = −40°C to +85°C

„ Applications
• Power monitor and reset for CPU and microcomputer • Constant voltage power monitor for TV, DVD recorder and home appliance • Power supply monitor for portable device such as notebook PC, digital still camera and mobile phone

„ Packages
• SOT-23-5 • SC-82AB • SNT-4A

Seiko Instruments Inc.

1

SUPER-LOW CURRENT CONSUMPTION SUPER HIGH-ACCURACY VOLTAGE DETECTOR WITH DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING)

S-1009 Series

Rev.5.1_00

„ Block Diagrams
1. Nch open-drain output product

VDD
VSS *1. Parasitic diode
2. CMOS output product

*1
VREF

+ −

Delay circuit
*1

OUT
*1

CD Figure 1

VDD
VSS *1. Parasitic diode

*1
VREF

+ −

Delay circuit
*1

*1
OUT
*1

CD Figure 2

2 Seiko Instruments Inc.

SUPER-LOW CURRENT CONSUMPTION SUPER HIGH-ACCURACY VOLTAGE DETECTOR WITH DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING)

Rev.5.1_00

S-1009 Series

„ Product Name Structure
Users can select the output form, detection voltage value, and package type for the S-1009 Series. Refer to "1. Product name" regarding the contents of product name, "2. Packages" regarding the package drawings and "3. Product name list" regarding details of


























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