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S-1011

VOLTAGE DETECTOR

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S-1011 Series

www.sii-ic.com © Seiko Instruments Inc., 2014-2015

HIGH-WITHSTAND VOLTAGE BUILT-IN DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING) VOLTAGE DETECTOR
Rev.1.2_00

The S-1011 Series is a high-accuracy voltage detector developed using CMOS technology. The detection voltage is fixed internally, and the accuracy of the S-1011 Series A / C / E / G type is ±1.5%. It operates with current consumption of 600 nA typ. Apart from the power supply pin, the detection voltage input pin (SENSE pin) is also prepared in the SENSE detection product, so the output is stable even if the SENSE pin falls to 0 V. The detection signal and release signal can be delayed by setting a capacitor externally, and the detection delay time accuracy is ±20% (CN = 3.3 nF, Ta = +25°C), the release delay time accuracy is ±20% (CP = 3.3 nF, Ta = +25°C). Output form is Nch open-drain output.

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

3.0 V to 10.0 V (0.05 V step) (SENSE detection product) 3.6 V to 10.0 V (0.05 V step) (VDD detection product) ±1.5% (A / C / E / G type) ±20% (CN = 3.3 nF) ±20% (CP = 3.3 nF) 600 nA typ. 1.8 V to 36.0 V "Available" (5.0% typ.) / "unavailable" is selectable. Nch open-drain output Ta = −40°C to +85°C

 Applications
• Power supply monitor for microcomputer and reset for CPU • Constant voltage power supply monitor for TV and home appliance etc. • Power supply monitor for Blu-ray recorder, notebook PC and digital still camera • Industrial equipment, housing equipment

 Package
• SOT-23-6

Seiko Instruments Inc.

1

HIGH-WITHSTAND VOLTAGE BUILT-IN DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING) VOLTAGE DETECTOR

S-1011 Series

Rev.1.2_00

 Block Diagrams
1. S-1011 Series A / J type (VDD detection product)
CP
VDD

*1
VREF

+ −

Delay circuit
*1 *1

OUT
*1

Function Voltage detection
Hysteresis width

Status
VDD detection Available (5.0% typ.)

VSS

*1. Parasitic diode

CN Figure 1

2. S-1011 Series C / L type (VDD detection product)
CP

VDD

Function

Status

Voltage detection VDD detection

Hysteresis width Unavailable

VSS

*1
VREF

+ −

Delay circuit
*1 *1

OUT
*1

*1. Parasitic diode

CN Figure 2

2 Seiko Instruments Inc.

HIGH-WITHSTAND VOLTAGE BUILT-IN DELAY CIRCUIT (EXTE


























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