Motorola MC33465N-30ATR, MC33465N-45ATR, MC33465N-45CTR, MC33465N-09ATR, MC33465N-09CTR Datasheet

 

Reset

T

30° t

80°C

SOT–23

Reset

 
  
  

The MC33465 series are micropower undervoltage sensing circuits that
are specifically designed for use with battery powered microprocessor based
systems, where extended battery life is required. A choice of several
threshold voltages from 0.9 V to 4.5 V are available. This device features a
very low quiescent bias current of 1.0 µA typical.

The MC33465 series features a highly accurate voltage reference, a
comparator with precise thresholds and built–in hysteresis to prevent erratic
reset operation, a choice of output configurations between open drain or
complementary, a time delayed output, which can be programmed by the
system designer, and guaranteed operation below 1.0 V with extremely low
standby current. This device is available in a SOT–23 5–pin surface mount
package.

Applications include direct monitoring of the MPU/logic power supply
used in appliance, automotive, industrial and portable equipment.

MC33465 Features:

• Extremely Low Standby Current of 1.0 µA at V

• Wide Input Voltage Range (0.7 V to 10 V)

• Monitors Power Supply Voltages from 1.1 V to 5.0 V

• High Accuracy Detector Threshold (±2.5%)

• Two Reset Output Types (Open Drain or Complementary Drive)

• Programmable Output Delay by External Capacitor (100 ms typ. with

0.15 µF)

• Surface Mount Package (SOT–23 5–Pin)

• Convenient Tape and Reel (3000 per Reel)

= 3.5 V

in

Order this document by MC33465/D



MICROPOWER

UNDERVOLTAGE

SENSING CIRCUITS

WITH PROGRAMMABLE

OUTPUT DELAY

SEMICONDUCTOR

TECHNICAL DATA

5

1

N SUFFIX

PLASTIC PACKAGE

CASE 1212

(SOT–23)

PIN CONNECTIONS

ORDERING INFORMATION

Threshold

Device

MC33465N–09ATR 0.9
MC33465N–20ATR 2.0
MC33465N–27ATR 2.7
MC33465N–30ATR 3.0
MC33465N–45ATR 4.5

MC33465N–09CTR 0.9
MC33465N–20CTR 2.0
MC33465N–27CTR 2.7
MC33465N–30CTR 3.0
MC33465N–45CTR 4.5

Other voltages from 0.9 to 6.0 V , in 0.1 V increments, are available. Consult factory for
information.

This document contains information on a new product. Specifications and information herein
are subject to change without notice.

MOTOROLA ANALOG IC DEVICE DATA

Voltage

Type

Open
Drain

Reset

Compl.

MOS

Reset

Operating

Temperature Range

°

A

= –

o +

°

Package

15

Reset

2

Input

Ground

3

(Top View)

 Motorola, Inc. 1996 Rev 0

C

D

N/C

4

1

MC33465

Representative Block Diagrams

MC33465N–YYATR

Open Drain Output Configuration

2 Input

V

ref

3 Gnd 5C

R

D

D

1 Reset

This device contains 28 active transistors.

MAXIMUM RATINGS

Rating Symbol Value Unit

Power Input Supply Voltage
Reset Output Voltage
Reset Output Current (Source or Sink)
Power Dissipation and Thermal Characteristics

Maximum Power Dissipation at TA = 25°C P

Case 1212 (SOT–23) N Suffix

Thermal Resistance, Junction–to–Ambient R
Operating Junction Temperature
Operating Ambient Temperature
Storage Temperature Range
Lead Temperature (Soldering)

Complementary Output Configuration

2 Input

YY Denotes Threshold Voltage

V
V

I

θJA
T

T

T

stg

T

solder

in
O

O

D

J

A

0 to 12

–0.3 to 12

70

150 mW

667 °C/W

+125

–30 to +80
–40 to +125
260°C, 10 s

MC33465N–YYCTR

V

ref

3 Gnd 5C

V
V

mA

°C
°C
°C

R

D

1
Reset

D

2

MOTOROLA ANALOG IC DEVICE DATA

MC33465

ÁÁÁ

ÁÁÁ

ÁÁÁ

ÁÁÁ

ÁÁÁ

ÁÁÁ

ÁÁÁ

ÁÁÁ

ÁÁÁ

ELECTRICAL CHARACTERISTICS (For all values T

Characteristic

= 25°C (Note 1), unless otherwise noted.)

A

Symbol Min Typ Max Unit

SENSE COMPARATOR

Threshold Voltage

High to Low State Output (Vin Decreasing) V

IL

09 Suffix 0.878 0.9 0.922
18 Suffix 1.755 1.8 1.845
27 Suffix 2.633 2.7 2.767
36 Suffix 3.51 3.6 3.69
45 Suffix 4.387 4.5 4.612

Threshold Hysteresis (Vin Increasing) V

H

09 Suffix 0.027 0.045 0.063
18 Suffix 0.054 0.09 0.126
27 Suffix 0.081 0.135 0.189
36 Suffix 0.108 0.18 0.252
45 Suffix 0.135 0.225 0.315

Threshold Voltage Temperature Coefficient

T

C

–

±100

RESET OUTPUT

Output Voltage

High State (Complementary Output: I
Low State (Complementary or Open Drain Output: I

Output Sink Current (Vin = 1.5 V, VOL = 0.5 V)
Output Source Current (Vin = 4.5 V, VOH = 2.4 V)

= 1.0 mA) V

source

= 1.0 mA) V

sink

I

I

OH

OH

OL

OL

Vin – 2.1 Vin – 1.0 V

– 0.25 0.5

1.0

1.0

2.0

2.0

DELAY OUTPUT

Output Sink Current (Vin = 1.5 V, VOL = 0.5 V)
Delay Resistance

I
R

OL

0.2

D

0.5

0.8

1.0

TOTAL DEVICE

Operating Input Voltage Range
Quiescent Input Current

V

in

I

in

0.8 to 10

–

Vin = 4.34 V – 5.5 11
Vin = 6.50 V – 1.3 3.9

NOTE: 1.Low duty pulse techniques are used during test to maintain junction temperature as close to ambient as possible.

2.0

V

V

–

PPM/°C

V

in

–
–

–

mA
mA

mA
MΩ

–

V

µA

MOTOROLA ANALOG IC DEVICE DATA

3