M51951AL/BL RENESAS [Renesas Technology Corp], M51951AL/BL Datasheet

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M51951AL/BL

Manufacturer Part Number
M51951AL/BL
Description
Voltage Detecting, System Resetting IC Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
M51951A,B/M51952A,B
Voltage Detecting, System Resetting IC Series
Description
M51951A,B/M51952A,B are semiconductor integrated circuits designed for detecting supply voltage and resetting all
types of logic circuits such as CPUs.
They include a built-in delay circuit to provide a retardation time (200 µs Typ).
They fined extensive applications, including battery checking circuit, level detecting circuit and waveform shaping
circuit.
Features
• Few external parts
• Low threshold operating voltage (Supply voltage to keep low-state at low supply voltage):
• Wide supply voltage range: 2 V to 17 V
• Wide application range
Application
• Reset circuit of Pch, Nch, CMOS, microcomputer, CPU and MCU, Reset of logic circuit, Battery check circuit,
Recommended Operating Condition
• Supply voltage range: 2 V to 17 V
Pin Arrangement
REJ03D0775-0400 Rev.4.00 Sep 18, 2007
Page 1 of 7
0.6 V (Typ) at R
switching circuit back-up voltage, level detecting circuit, waveform shaping circuit, delay waveform generating
circuit, DC/DC converter, over voltage protection circuit
Package: 5P5T
M51951AL/BL
M51952AL/BL
(Top view)
5
4
3
2
1
L
Output
NC
GND
NC
Supply voltage
= 22 kΩ
Package: PLZZ0004CB-A (SOT-89)
M51951AML/BML
M51952AML/BML
(Top view)
3
2
1
Output
GND
Supply voltage
1. Supply voltage
2. GND
3. Output
Package: PRSS0003DF-A (TO-92L)
M51951ASL/BSL
M51952ASL/BSL
1
(Top view)
2
REJ03D0775-0400
3
Sep 18, 2007
Rev.4.00

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M51951AL/BL Summary of contents

Page 1

... Reset circuit of Pch, Nch, CMOS, microcomputer, CPU and MCU, Reset of logic circuit, Battery check circuit, switching circuit back-up voltage, level detecting circuit, waveform shaping circuit, delay waveform generating circuit, DC/DC converter, over voltage protection circuit Recommended Operating Condition • Supply voltage range Pin Arrangement M51951AL/BL M51952AL/BL 5 Output 4 NC ...

Page 2

M51951A,B/M51952A,B Block Diagram M51951A, B Supply A: Built-in Load voltage B: Open Collector R1 – – 1.25V Delay capacitor GND Operating Waveform M51951A, B 4.25V 0.65V ≈ 200µs Output undefined REJ03D0775-0400 Rev.4.00 Sep ...

Page 3

M51951A,B/M51952A,B Absolute Maximum Ratings Item Symbol Supply voltage V CC Output sink current Isink Output voltage V O Power dissipation Pd Thermal derating Kθ Operating temperature Topr Storage temperature Tstg Electrical Characteristics • “L” reset type M51951A, M51951B • “H” ...

Page 4

M51951A,B/M51952A,B Typical Characteristics Thermal Derating (Maximum Rating) 1000 800 3-pin SIP 600 3-pin SOP 400 200 Ambient Temperature Ta (°C) Delay Time vs. Ambient Temperature (M5195xx, Built-in capacitor type) 350 300 250 200 150 100 50 ...

Page 5

M51951A,B/M51952A,B Example of Application Circuit Reset Circuit of M5195xx Series M51951x M51952x Notes: 1. When the detecting supply voltage is 4.25 V, M51951, M51952, M51953 and M51954 are used. When the voltage is anything except 4.25 V, M51955, M51956, M51957 ...

Page 6

M51951A,B/M51952A,B Package Dimensions 5P5T EIAJ Package Code JEDEC Code – SIP5-P-240-2. SEATING PLANE Package Name JEITA Package Code SOT-89 SC-62 REJ03D0775-0400 Rev.4.00 Sep 18, 2007 Page Weight(g) Lead Material 0.22 Cu Alloy ...

Page 7

M51951A,B/M51952A,B JEITA Package Code RENESAS Code  PRSS0003DF-A REJ03D0775-0400 Rev.4.00 Sep 18, 2007 Page Package Name MASS[Typ.] TO-92L 0.34g φ 5.1 Max 0.8 0.5 1.27 1.27 4.1 Unit: mm ...

Page 8

Notes: 1. This document is provided for reference purposes only so that Renesas customers may select the appropriate Renesas products for their use. Renesas neither makes warranties or representations with respect to the accuracy or completeness of the information contained ...

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