UM803

UM803 UNIONSEMI | Alldatasheet

Document overview

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Technical content

Features

 Computers  Controllers  Portable/Battery-Powered Equipments  Intelligent Instruments  Critical μP and μC Power Monitoring  Automotive  No External Components  Power Supply Transient Immunity  Guaranteed Reset Valid to VCC=+1V  Precision VCC Monitoring of +2.5V, +3V, +3.3V and +5V Supplies  Fully Specified Over Temperature  2μA Supply Current  140ms Minimum Power-On Reset Pulse Width  Available in One Output Configuration: Open-Drain Active-Low RESET Output  3-Pin SOT323 and SOT23 Packages  Wide Operation Temperature: -40°C to +85°C Pin Configurations Top View GND 1 RESET 2

3 VCC

M Marking Pin1 M: Month Code UM803 SOT323/SOT23-3

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Ordering Information

XX: Output Type =03 Open-Drain Active Low Z: Reset Threshold (V) =L 4.63 =M 4.38 =J 4.00 =T 3.08 =S 2.93 =R 2.63 =Z 2.32 P: Package Type =S SOT23-3 =P SOT323 Typical Operating Circuit VCC UM803 GND RESET VCC GND RESET INPUT VCC μP Rpullup Pin Description Pin Number Pin Name Function

1 GND Ground

2 RESET

Output remains low while V CC is below the reset threshold, and for at least 140ms after VCC rises above the reset threshold. 3 VCC +5V, +3.3V, +3V or +2.5V Supply Voltage

http://www.union-ic.com Rev.01 Jan.2015 3/11 UM803 Absolute Maximum Ratings (Note 1) Symbol Parameter Value Unit VCC Supply Voltage -0.3 to +6.0 V RESET -0.3 to +6.0 ICC Input Current, VCC 20 mA IO Output Current, RESET 20 mA Rate of Rise, VCC 100 V/μs PD Continuous Power Dissipation SOT323 (Derate 2.17mW/° C above 70° C) 174 mW SOT23-3 (Derate 4mW/° C above 70° C) 320 TA Operating Temperature Range SOT323 -40 to +125 °C SOT23-3 -40 to +105 TSTG Storage Temperature Range -65 to +150 °C Lead Temperature (soldering, 10s) +300 °C Note 1: Stresses beyond those listed under “Absolute maximum Ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications are not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

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Electrical Characteristics

(VCC = 5V for L/M/J versions, V CC = 3.3V for T/S versions, V CC = 3V for R version, and VCC = 2.5V for Z version, TA = -40° C to +85° C, unless otherwise noted. Typical values are at TA = +25° C.) (Note 2) Symbol Parameter Conditions Min Typ Max Unit VCC Supply Voltage Range TA=0℃ to + 70℃ 1.0 5.5 V ICC Supply Current 2.0 μA VTH Reset Threshold L version TA=+25℃ 4.56 4.63 4.70 V M version TA=+25℃ 4.31 4.38 4.45 J version TA=+25℃ 3.93 4.00 4.06 T version TA=+25℃ 3.04 3.08 3.11 S version TA=+25℃ 2.89 2.93 2.96 R version TA=+25℃ 2.59 2.63 2.66 Z version TA=+25℃ 2.28 2.32 2.35 Reset Threshold Tempco 150 ppm/° C VCC to Reset Delay VCC=VTH to (VTH–100mV) 10 μs tRP Reset Active Timeout Period 140 240 560 ms VOL RESET Output V oltage Low VCC=VTH min, ISINK=1.2mA, UM803T_/S_/R_/Z_ 0.3 V VCC=VTH min, ISINK=3.2mA, UM803L_/M_/J_ 0.4 VCC>1.0V , ISINK=50μA 0.3 RESET Open-Drain Output Leakage Current (Note 3) VCC>VTH, RESET deasserted 1 μA Note 2: Production testing done at TA = +25° C; limits over temperature guaranteed by design only. Note 3: Guaranteed by design, not production tested.

http://www.union-ic.com Rev.01 Jan.2015 5/11 UM803 Typical Operating Characteristics (TA = +25° C, unless otherwise noted.) VCC=3.3V Supply Current vs. Temperature (UM803R_) Power-down RESET Delay vs. Temperature (UM803R_) Power-up RESET Timeout vs. Temperature

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Package Information

b D HE E PIN 1 e e L c A Top View End View Side View DIMENSIONS Symbol MILLIMETERS INCHES Min Max Min Max D 1.80 2.20 0.072 0.088 E 1.15 1.35 0.006 0.054 HE 1.80 2.40 0.072 0.050 b 0.25 0.40 0.010 0.016 e 0.65BSC 0.026BSC Q1 0.10 0.40 0.004 0.016 A 0.80 1.10 0.032 0.044 A1 0.00 0.10 0.00 0.004 A2 0.80 1.00 0.032 0.040 c 0.10 0.18 0.004 0.007 L 0.10 0.30 0.004 0.012 L1 0.425TYP 0.017TYP Land Pattern 0.65 0.65 0.5 0.6 1.80 NOTES: 1. Compound dimension: 2.00× 1.25; 2. Unit: mm; 3.General tolerance ± 0.05mm unless otherwise specified; 4. The layout is just for reference. Tape and Reel Orientation XXX M

http://www.union-ic.com Rev.01 Jan.2015 9/11 UM803 UM803 SOT23-3 Outline Drawing D EL e 1 2 0.2 θ c Top View End View Side View A1 A2 A b DIMENSIONS Symbol MILLIMETERS INCHES Min Max Min Max A 1.050 1.250 0.041 0.049 A1 0.000 0.100 0.000 0.004 A2 1.050 1.150 0.041 0.045 b 0.300 0.500 0.012 0.020 c 0.100 0.200 0.004 0.008 D 2.820 3.020 0.111 0.119 E 1.500 1.700 0.059 0.067 E1 2.650 2.950 0.104 0.116 e 0.950REF 0.037REF e1 1.800 2.000 0.071 0.079 L 0.550REF 0.022REF L1 0.300 0.600 0.012 0.024 θ 0° 8° 0° 8° Land Pattern 1.90 2.02 0.80 NOTES: 1. Compound dimension: 2.92×1.60; 2. Unit: mm; 3. General tolerance ± 0.05mm unless otherwise specified; 4. The layout is just for reference. Tape and Reel Orientation XXX M

http://www.union-ic.com Rev.01 Jan.2015 10/11 UM803 Selection Table Part Number RESET Threshold (V) Timeout Period (ms) Output Type Marking Code Package Type Shipping Qty UM803LP 4.63 240 Open-Drain, Active Low VLE SOT323 3000pcs/7Inch Tape & Reel UM803MP 4.38 240 Open-Drain, Active Low VME UM803JP 4.00 240 Open-Drain, Active Low VJE UM803TP 3.08 240 Open-Drain, Active Low VTE UM803SP 2.93 240 Open-Drain, Active Low VSE UM803RP 2.63 240 Open-Drain, Active Low VRE UM803ZP 2.32 240 Open-Drain, Active Low VZE UM803LS 4.63 240 Open-Drain, Active Low 03L SOT23-3 3000pcs/7Inch Tape & Reel UM803MS 4.38 240 Open-Drain, Active Low 03M UM803JS 4.00 240 Open-Drain, Active Low 03J UM803TS 3.08 240 Open-Drain, Active Low 03T UM803SS 2.93 240 Open-Drain, Active Low 03S UM803RS 2.63 240 Open-Drain, Active Low 03R UM803ZS 2.32 240 Open-Drain, Active Low 03Z

http://www.union-ic.com Rev.01 Jan.2015 11/11 UM803 IMPORTANT NOTICE The information in this document has been carefully reviewed and is believed to be accurate. Nonetheless, this document is subject to change without notice. Union assumes no responsibility for any inaccuracies that may be contained in this document, and ma kes no commitment to update or to keep current the contained information, or to notify a person or organization of any update. Union reserves the right to make changes, at any time, in order to improve reliability, function or design and to attempt to supply the best product possible. Union Semiconductor, Inc Add: Unit 606, No.570 Shengxia Road, Shanghai 201210 Tel: 021-51093966 Fax: 021-51026018 Website: www.union-ic.com