EM6352 EM Microelectronic, EM6352 Datasheet

EM6352

Manufacturer Part Number

EM6352

Description

Voltage Detecto

Manufacturer

EM Microelectronic

Datasheet

1.EM6352.pdf (7 pages)

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Description

The EM6352 is an ultra-low current voltage detector

available in a large variety of configurations and very small

packages for maximum flexibility in all end-applications up to

125°C and using power supplies between 1.5V and 5.5V.

This circuit monitors the supply voltage of any electronic

system, and generates the appropriate reset signal without a

delay time. The threshold defines the minimum allowed

voltage which guarantees the good functionality of the

system. As long as V

the output stays inactive. If V

goes active. The output is guaranteed to be in the correct

state for V

voltages starting as low as 1.31V and up to 4.63V. The

EM6352 features three output types: active-low push-pull,

active-low open-drain and active-high push-pull.

Small SC70 and SOT23 packages as well as ultra-low

supply current of 2.7µA make the EM6352 an ideal choice

for portable and battery-operated devices.

Typical Application

Pin Configuration

Pin Description

03/06 – rev.I

SOT23-5L

(RESET)

GND

(RESET)

RESET

4, 5

GND

EXT

for open-drain version only

SOT23-5L

SC70-4L

SOT23-3L

down to 0.8V. There are 12 reset threshold

EM MICROELECTRONIC

(SC-82AB)

EM6352

GND

(top view)

GND

RESET

stays above the threshold voltage,

SC70-4L

Voltage Detector, High-Precision

drops below V

(RESET)

RESET

GND

SC70-3L

SOT23-3L

RESET

MPU, DSP

SC70-3L

GND

3 V

, the output

RESET

Name

GND

N.C.

-MARIN SA

Active-low RESET output. RESET remains low while V

below the reset threshold voltage.

Active-high RESET output. RESET remains high while V

below the reset threshold voltage.

Supply Voltage (5.5V max.)

Ground

Not connected. Not internally connected

Features

Applications

Block Diagram

GND

Ultra-low supply current of 2.7µA (V

Operating temperature range: -40°C to +125°C

±1.5% reset threshold accuracy

12 reset threshold voltages V

2.93V, 2.63V, 2.26V, 2.2V, 1.8V, 1.66V, 1.57V, 1.38V,

1.31V

3 reset output options:

No external components

Immune to short negative V

Guaranteed Reset valid down to 0.8V

Threshold hysteresis: 2.1% of V

Very small SOT23-5L, SOT23-3L, SC70-3L and

SC70-4L (SC-82AB) packages

Mobile and cordless phones

Modems

Printers

TV, VCR, Video sets

GPS

Toys

Basestations

NiCd cell battery

Automotive systems

Active-low

Active-high

RESET

Reference

RESET

Voltage

Function

push-pull

open-drain

push-pull

www.emmicroelectronic.com

EM6352

transients

: 4.63V, 4.4V, 3.08V,

www.DataSheet4U.com

=3.3V)

(RESET)

RESET

Related parts for EM6352

EM6352 Summary of contents

Page 1

... The EM6352 features three output types: active-low push-pull, active-low open-drain and active-high push-pull. Small SC70 and SOT23 packages as well as ultra-low supply current of 2.7µA make the EM6352 an ideal choice for portable and battery-operated devices. Typical Application V ...

Page 2

... Top Marking with 4 Part Number Characters EM6352XSC3B-1.3 AKAA EM6352XSC3B-1.8 AKAE EM6352XSC3B-2.2 BKAE EM6352XSC3B-2.2+ AKAF EM6352XSC3B-2.6 BKAF EM6352XSC3B-2.9 AKAY EM6352XSC3B-2.9+ BKAY EM6352XSC3B-4.6 AKAG EM6352XSC3B-4.6+ BKAG EM6352YSP3B-2.26 AKAH EM6352YSP3B-2.6 BKAH EM6352YSP3B-2.9 AKAL EM6352YSC3B-2.6 BKAL EM6352YSC3B-4.6 AKAA EM6352YSC4B-1.3 AKAE EM6352YSC4B-2.9 AKAG EM6352YSC4B-3.1 AKAH ...

Page 3

... T (note 4) Threshold hysteresis V HYS Note 1: Production tested at +25°C only. Over temperature limits are guaranteed by design, not production tested. V min=0.9V for active-high versions (EM6352Z). DD Note 2: open. RESET (RESET) Note 3: Threshold voltage is specified for V Note 4: Typical variation ∆ ∆ ...

Page 4

... V >2. > >1V DD -40°C to +125°C V >2. > >1V DD -40°C to +125°C V >2. >5V DD -40°C to +125°C, only for EM6352Y (open-drain) t SEN t POR 4 EM6352 www.DataSheet4U.com Min Typ Max 9 500 1090 -0.2V TH (typ) 2 130 255 =100 µ 0 =1.5mA - - ...

Page 5

... 100 125 [ ° 100 125 [ °C ] vs. Temperature POR - EM6352 www.DataSheet4U.com 300 250 200 150 100 50 0 -50 - 100 125 [ °C ] Propagation Time t vs. Temperature P 400 350 300 250 Reset occurs ...

Page 6

... Copyright © 2006, EM Microelectronic-Marin SA 03/06 – rev.I SOT23- SYMBOL MIN Dimensions are in mm SOT23- SYM BOL M IN Dimensions are EM6352 TYP MAX A 0.89 1.04 1.12 A1 0.013 0.10 A2 0.95 0.97 1.00 B 0.37 0.51 C 0.085 0.12 ...

Page 7

... Even though the width of pin 2 on SC70-4L is slightly larger than on so- called 4-pin SC-82AB, the footprint of SC70-4L package is compatible with the footprint of SC-82AB package from other suppliers, and thus suitable for pin-to-pin replacement. Please check footprint on PCB. 7 EM6352 www.DataSheet4U.com SYMBOL MIN MAX e 0 ...

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