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Summary Description

STM1061

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Figure 4.

SOT323-3 (SC70-3) Connections

Figure 5.

N-Channel Open Drain Output Block Diagram

Figure 6.

STM1061N Active-Low, Open Drain Hardware Hookup

AI10479

2

3

1

OUT

VCC

VSS

AI10482

VCC

R1

R2

R3

VSS

+

–

VREF

OUT

AI10484a

VCC

VIN

+

VSS

VCC

MCU

STM1061N

(Open Drain)

DC/DC

Converter

OUT

3.6V

VOUT

VSS

VSS

Suspend

Regulated 3V

R

VOUT

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Summary of Contents for STM1061

Page 1: ...old Accuracy Operating Voltage 0 7 to 6 0V Open Drain Output Low Supply Current of 0 9µA typ Guaranteed OUT Assertion Down to VCC 0 7V Power Supply Transient Immunity Available in SOT23 3 and SOT323 3 SC70 3 packages Operating Temperature 40 to 85 C Figure 1 Packages 1 Contact local sales office for availability SOT323 3 SC70 3 W 1 SOT23 3 WX www st com ...

Page 2: ...ns 7 2 1 OUT Open Drain 7 2 2 VCC 7 2 3 VSS 7 3 Operation 8 3 1 Output 8 3 2 Negative Going VCC Transients and Undershoot 8 4 Typical Operating Characteristics 9 5 Maximum Rating 13 6 DC and AC Parameters 14 7 Package Mechanical 17 8 Part Numbering 20 9 Revision History 22 ...

Page 3: ...urement Conditions 14 Table 5 DC and AC Characteristics 16 Table 6 SOT23 3 3 lead Small Outline Transistor Package Mechanical Data 18 Table 7 SOT323 3 SC70 3 3 lead Small Outline Transistor Package Mechanical Data 19 Table 8 Ordering Information Scheme 20 Table 9 Factory Trimmed Thresholds with Marking Description 21 Table 10 Document Revision History 22 ...

Page 4: ...y Time vs Ambient Temperature 10 Figure 10 Output Release Delay Time vs Ambient Temperature 10 Figure 11 Maximum Transient Duration vs Reset Threshold Overdrive 11 Figure 12 Detect Release Voltage vs Ambient Temperature for VTH 3 4V 11 Figure 13 N channel Driver Output Current vs VDS 12 Figure 14 N channel Driver Output Current vs Input Voltage for VDS 0 5V 12 Figure 15 AC Testing Input Output Wav...

Page 5: ...UT is forced low and remains asserted as long as the VCC input remains below VTH hysteresis VHYST The STM1061 device is guaranteed to output the correct logic state for VCC down to 0 7V They are also designed to ignore fast transients on VCC This small low power device is ideal for portable applications and is available in space saving SOT23 3 and SOT323 3 SC70 3 packages Figure 2 Logic Diagram Ta...

Page 6: ...e 5 N Channel Open Drain Output Block Diagram Figure 6 STM1061N Active Low Open Drain Hardware Hookup AI10479 2 3 1 OUT VCC VSS AI10482 VCC R1 R2 R3 VSS VREF OUT AI10484a VCC VIN VSS VCC MCU STM1061N Open Drain DC DC Converter OUT 3 6V VOUT VSS VSS Suspend Regulated 3V R VOUT ...

Page 7: ...utput It goes low when VCC drops below VTH and remains low as long as VCC is below VTH VHYST 2 2 VCC This is the Supply voltage and input for the Voltage Detector 2 3 VSS Ground VSS is the reference for the power supply It must be connected to the system ground Table 2 Pin Functions Pin Name Function SOT23 3 SOT323 3 SC70 3 1 2 OUT Active Low Open Drain Output 3 3 VCC Supply Voltage 2 1 VSS Ground...

Page 8: ...ter a logic high while all of the input current and leakage paths connected to the reset output line are being supplied A 10k pull up is sufficient in most applications The advantages of open drain output is the ability to connect more open drain outputs in parallel wired OR connections as well as connect the output to a power supply voltage different from VCC 3 2 Negative Going VCC Transients and...

Page 9: ...pply Current vs Input Voltage Figure 8 Supply Current vs Ambient Temperature VCC V I CC nA AI11119b 0 200 400 600 800 1000 1200 1400 0 1 2 3 4 5 6 Temp 40 C Temp 25 C Temp 85 C Ambient Temperature C Supply Current I CC nA AI11120b 0 250 500 750 1000 1250 40 20 0 20 40 60 80 VCC 2V VCC 3V VCC 5V ...

Page 10: ...s Ambient Temperature Ambient Temperature TA C V CC to OUT Detect Delay t PD µs AI11121b 0 00 5 00 10 00 15 00 20 00 25 00 30 00 35 00 40 20 0 20 40 60 80 VTH 3 4V VTH 1 6V Ambient Temperature TA C V CC to OUT Release Delay t PR µs AI11122b 0 00 5 00 10 00 15 00 20 00 25 00 30 00 35 00 40 00 45 00 50 00 40 20 0 20 40 60 80 VTH 1 68V VTH 3 57V ...

Page 11: ...e curve Figure 12 Detect Release Voltage vs Ambient Temperature for VTH 3 4V Threshold Overdrive mV Transient Duration µs AI11123b 0 20 40 60 80 100 120 140 160 1 10 100 1000 10000 VTH 3 4V VTH 1 6V Ambient Temperature C Detect Release Voltage V TH V TH V AI11124b 3 3 3 4 3 5 3 6 40 20 0 20 40 60 80 Detect Voltage VTH Release Voltage VTH ...

Page 12: ...tput Current vs Input Voltage for VDS 0 5V Output Voltage VDS V Output Current I D A AI11125b 0 0 01 0 02 0 03 0 04 0 05 0 06 0 0 25 0 5 0 75 1 1 25 1 5 VCC 3 3V VCC 3 0V VCC 2 7V VCC 2 1V VCC 1 5V VCC 1 0V Input Voltage VCC V Output Current I OUT mA AI11126b 0 5 10 15 20 25 30 0 0 5 1 1 5 2 2 5 3 Temp 25 C Temp 85 C Temp 40 C ...

Page 13: ...e Maximum Rating conditions for extended periods may affect device reliability Refer also to the STMicroelectronics SURE Program and other relevant quality documents Table 3 Absolute Maximum Ratings Symbol Parameter Value Unit TSTG Storage Temperature VCC Off VBAT Off 55 to 150 C TSLD 1 1 Reflow at peak temperature of 260 C total thermal budget not to exceed 245 C for greater than 30 seconds Lead ...

Page 14: ...ating and AC Measurement Conditions Designers should check that the operating conditions in their circuit match the operating conditions when relying on the quoted parameters Figure 15 AC Testing Input Output Waveforms Table 4 Operating and AC Measurement Conditions Sym Parameter STM1061 Unit VCC Supply Voltage 0 7 to 6 0 V TA Ambient Operating Temperature 40 to 85 C Input Rise and Fall Times 05 n...

Page 15: ...STM1061 DC and AC Parameters 15 23 Figure 16 Voltage Timing Waveform AI10483 VCC VCC min VSS VTH VTH tPR Release Delay tPD Detect Delay Release Voltage VTH VTH VHYST Detect Voltage VSS VOUT ...

Page 16: ...VCC 3 0V 5 0 22 mA VCC 4 0V 6 0 26 mA VCC 5 0V 7 0 30 mA Voltage Thresholds VTH Detect Voltage 2 see Table 9 on page 21 for detailed listing 2 Other VTH threshold are offered Minimum order quantities may apply Contact local sales office for availability VTH 2 VTH VTH 2 V VTH Release Voltage VTH VHYST V VHYST Threshold Hysteresis 0 02VTH 0 05VTH 0 08VTH V tPD VCC to OUT Detect Delay VCC falling fro...

Page 17: ... is marked on the package and on the inner box label in compliance with JEDEC Standard JESD97 The maximum ratings related to soldering conditions are also marked on the inner box label ECOPACK is an ST trademark ECOPACK specifications are available at www st com Figure 17 SOT23 3 3 lead Small Outline Transistor Package Outline 1 Drawing is not to scale SOT23 3 0 10 C A A2 A1 3X C C L1 θ L C e1 D e...

Page 18: ... Typ Min Max Typ Min Max A 0 89 1 12 0 035 0 044 A1 0 01 0 10 0 001 0 004 A2 0 88 1 02 0 035 0 042 b 0 30 0 50 0 012 0 020 C 0 08 0 20 0 003 0 008 D 2 80 3 04 0 110 0 120 E 2 10 2 64 0 083 0 104 E1 1 20 1 40 0 047 0 055 e 0 89 1 03 0 035 0 041 e1 1 78 2 05 0 070 0 081 L 0 54 0 021 L1 0 40 0 60 0 016 0 024 Q 0 8 0 8 N 3 3 ...

Page 19: ...inches Typ Min Max Typ Min Max A 0 80 1 10 0 031 0 043 A1 0 00 0 10 0 000 0 004 A2 0 80 1 00 0 031 0 039 b 0 25 0 40 0 010 0 016 C 0 10 0 18 0 004 0 007 D 1 80 2 20 0 071 0 087 E 1 80 2 40 0 071 0 094 E1 1 15 1 35 0 045 0 053 e 0 65 0 026 e1 1 30 0 051 L 0 35 0 45 0 014 0 018 L1 0 10 0 30 0 004 0 012 Q 0 30 0 30 Θ1 8 12 8 12 N 3 3 SOT323 3 0 10 C A A2 A1 3X C e1 D e 3X b E M 0 30 C A B B E1 A M 0 ...

Page 20: ...1 1 Other thresholds voltage options are offered Minimum order quantities may apply Contact local sales office for availability For other options or for more information on any aspect of this device please contact the ST Sales Office nearest you xx See Table 9 on page 21 Package WX SOT23 3 W SOT323 3 SC70 3 1 Temperature Range 6 40 to 85 C Shipping Method F ECOPACK Package Tape Reel ...

Page 21: ... availability Topside Marking Min 2 Typ Max 2 16 1 568 1 600 1 632 16Nx 17 1 666 1 700 1 734 17Nx 19 1 862 1 900 1 938 19Nx 21 2 058 2 100 2 142 21Nx 22 2 156 2 200 2 244 22Nx 23 2 254 2 300 2 346 23Nx 25 2 450 2 500 2 550 25Nx 26 2 548 2 600 2 652 26Nx 27 2 646 2 700 2 754 27Nx 28 2 744 2 800 2 856 28Nx 29 2 842 2 900 2 958 29Nx 30 2 940 3 000 3 060 30Nx 31 3 038 3 100 3 162 31Nx 34 3 332 3 400 3...

Page 22: ...K information Figure 7 8 9 10 11 12 13 and 14 Table Table 5 8 and 9 02 Sep 05 1 2 Update characteristics remove push pull output reference Figure 8 9 10 11 12 and 16 Table Table 2 5 and 8 19 Oct 05 2 0 Status upgrade update characteristics add Marking information Figure 7 8 9 10 11 12 13 and 14 Table Table 8 and 9 18 Nov 05 3 0 Update characteristics Table 3 and 4 27 Jul 2006 4 Update Chapter Feat...

Page 23: ...RANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE ST PRODUCTS ARE NOT RECOMMENDED AUTHORIZED OR WARRANTED FOR USE IN MILITARY AIR CRAFT SPACE LIFE SAVING OR LIFE SUSTAINING APPLICATION...

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