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Seiko Instruments


S-1000Nxx

Ultra Small Package High Precision Voltage Detector

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Rev.2.1_01

ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR

S-1000 Series

The S-1000 series is a series of high-precision voltage detectors developed using CMOS process. The detection voltage is fixed internally with an accuracy of ±1.0%. It operates with low current consumption of 350 nA typ. Two output forms, Nch open-drain and CMOS output, are available. CMOS voltage detector, S-1000 Series is the most suitable for the portable equipments with ultra low current consumption, high precision and corresponding to the small package.

„ Features
• • • • • • Ultra-low current consumption High-precision detection voltage Operating voltage range Hysteresis characteristics Detection voltage Output form 350 nA typ. (VDD = detection voltage + 1.5 V) ±1.0% 0.95 to 5.5 V 5% typ. 1.5 to 4.6 V (0.1 V step) Nch open-drain output (Active “L”) CMOS output (Active “L”)

• Lead-free products

„ Applications
• Power monitor for microcomputers and reset for CPUs. • Power monitor for portable equipments such as cellular phones, digital still cameras and PDAs. • Constant voltage power monitor for cameras, video equipments and communication devices.

„ Packages
Package name SC-82AB SOT-23-5 SNT-4A Package NP004-A MP005-A PF004-A Drawing code Tape NP004-A MP005-A PF004-A Reel NP004-A MP005-A PF004-A

Seiko Instruments Inc.

1



ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR S-1000 Series „ Block Diagrams
1. Nch open-drain output products

Rev.2.1_01

VDD

−
*1

+
*1

OUT

VREF VSS

*1. Parasitic diode Figure 1

2. CMOS output products
VDD
*1

−
*1

OUT
*1

+

VREF VSS

*1. Parasitic diode Figure 2

2

Seiko Instruments Inc.



Rev.2.1_01

ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR S-1000 Series

„ Product Name Structure
The detection voltage, output form and packages for S-1000 series can be selected at the user's request. Refer to the "1. Product name" for the construction of the product name and "2. Product name list" for the full product names. 1. Product name

S-1000

x

xx

-

xxxx G Package name (abbreviation) and packing specifications*1 N4T1: SC-82AB, tape M5T1: SOT-23-5, tape I4T1: SNT-4A, tape Detection voltage value 15 ~ 46 (e.g. When the detection voltage is 1.5 V, it is expressed as 15.)

Output form N: Nch open-drain output (Active “L”) C: CMOS output (Active “L”) *1. Refer to the taping specifications at the end of this book.

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