TS61C45CXRF

TS61 Series Voltage Detector SOT-23 Pin Definition: 1. Output 2. Ground 3. Input General Description The TS61 series are highly precise, low power consumption voltage detectors, manufactured using CMOS and laser trimming technologies . D etec t voltage is ex tremely acc urate with minimal temperature drift. Both C MOS and N-channel open drain output configurations are available. Features ● ● ● ● ● ● Highly Accurate: ±2% Detecting Voltage Temperature Characteristics : TYP ± 100ppm /°C Low Power Consumption, 0.7uA (typ) @ VIN=1.5V Detect Voltage Range: 1.6V ~ 6.0V Operating Voltage R ange: 0.7V ~ 10V Output Configuration: N-Channel open drain or C MOS Ordering Information Part No. Package Packi ng TS61CxxC X RF SOT-23 3Kpcs / 7” Reel TS61NxxC X RF SOT-23 3Kpcs / 7” Reel Note: * Wher e xx denotes voltage option, available are 20= 2.0V 23= 2.3V 24= 2.4V 25= 2.5V 27= 2.7V 30= 3.0V 33= 3.3V 40= 4.0V 42= 4.2V 44= 4.4V 45= 4.5V Contac t factory for additional voltage option. * TS61C : CMOS output * TS61N : N-Channel Open Drain Output Applications ● ● ● ● ● ● Battery-operated systems Microprocessor reset circuitry Memory battery back-up circuits Power-on reset circuits Power failure detection System battery life and charge voltage monitors Block Diagram CMOS Output N-Channel Open Drai n Output 1/7 Version: A07 TS61 Series Voltage Detector Absolute Maximum Rating Parameter Input Voltage Output Current Output Voltage Power Dissipation CMOS N-channel open drain SOT-23 Symbol VIN Io VOUT PD TA Maxi mum +1 2 50 (Gnd – 0.3) to (VIN + 0.3) (Gnd – 0.3) to 12 150 - 4 0 ~ +8 5 Unit V mA V mW o o Operating Ambient Temperature Range C Storage Temperature TSTG - 6 5 ~ +1 5 0 C Note: Stress above those lis ted under absolute maximum ratings may cause per manent damage to the devic e. These are s tress ratings only and func tional operation of the device at these or any other conditions above those indicated in the operation sec tion of the specifications is not implied. Electrical Specifications (Ta = 25 oC, unless otherwise noted) Parameter Detect Voltage Hysteresis range VIN=1.5V VIN=2.0V Supply Current VIN=3.0V VIN=4.0V VIN=5.0V Operating Voltage VDF(T)=1.6V~6V N-channel VDS=5V VIN=1.0V VIN=2.0V Output Current VIN=3.0V VIN=4.0V VIN=5.0V P-channel VDS=2.1V (with CMOS output) VIN=8.0V Temperatur e Characteris tics -40°C ≤ TA ≤ 85°C IOUT ΔVDF ΔTA xVDF ---10.0 ± 100 -2.0 -mA ppm / °C ms 4 -5 IOUT 1.0 3.0 5.0 6.0 7.0 2.2 7.7 10.1 11.5 13.0 -----mA 3 VIN Iss Conditi ons Symbol VDF VHYS / VDF Mi n VDFx 0.98 2 -----0.7 Ty p VDF -0.7 0.8 0.9 1.0 1.1 -- Max VDFx 1.02 8 2.3 2.7 3.0 3.2 3.6 10.0 Unit V % Circuit 1 1 µA 2 V 1 Delay Time Vdr VOUT inversion tDLY --0.2 Note: VDF(T) : Es tablished D etec t Voltage Value, 1.6V ~ 6.0V ±2% for Standard Voltage Detec tors Release Voltage: VDR = VDF + VHYS 2/7 Version: A07 TS61 Series Voltage Detector Typical Application Circuit CMOS Output N-Channel Open Drai n Output Measuring Circuit Test Circuit 1 Test Circuit 2 Test Circuit 3 * Not Necessary with C MOS output pr oduc t Test Circuit 4 Test Circuit 5 * Not Necessary with C MOS output products 3/7 Version: A07 TS61 Series Voltage Detector Directions for use 1. Please use this IC w ithin the stated maximum ratings . Operation beyond these limits may cause degrading or permanent damage to the dev ice. 2. When a resis tor is connec ted between the VIN pin and the input C MOS output configurations , oscillation may occur as a result of voltage drops at RIN if load current ( IOUT) exists . (refer to the Oscillation Description ① below) . 3. When a resis ted is connected between the VI N pin and the input with CMOS output configurations, irrespec tive of N-ch output configurations, oscillation may occur as a result of through current at the time of voltage releas e even if load current (IOUT) does not exist. (refer to the Oscillation Description ② below) 4. In or der to s tabilize the IC’s operations, please ensure that VIN pin’s input frequency’s rise and fall times are more than several µs /V. 5. Please use N-ch open drains configuration, when a resistor RIN is connected between the VIN pin and power source. In such cases, please ensure that RIN is less than k Ω and that C is more than 0.1µ F. Diagr am: Circuit using an input resistor Oscillation Description OUTPUT CURR EN T OSC ILLATION W ITH THE C MOS OUTPU T C ONFIGUR ATION When the voltage applied at IN rises, release operations commence and the detec tor’s output voltage increases. Load current (IOUT) w ill flow at RL. Because a voltage drop ( RIN x IOUT) is produced at the RIN resistor, located between the input (IN) and the VIN pin, the load current will flow via the IC’s VIN pin. The voltage drop will also lead to a fall in the voltage level at the VIN pin. When the VIN pin voltage level falls below the detec voltage level, detec t oper ations w ill commence. Following detec t operations, load current flow will cease and since voltage drop at RIN will disappear, the voltage level at the VIN pin w ill rise and release operations w ill begin over again. Oscillation may occur with this “release-detec t-release” repetition. Further , this condition will also appear via means of a similar mechanis m dur ing detect operations. Diagr am 1: Oscillati on in rel ati on to output cur rent 4/7 Version: A07 TS61 Series Voltage Detector Oscillation Description (Continue) OUTPUT CURR EN T OSC ILLATION W ITH THE C MOS OUTPU T C ONFIGUR ATION Since the TS61 series are C MOS ICs, through current will flow when the IC ’s internal circuit switching operates (during release and detect operations). Consequently, oscillation is liable to occur as a r esult of drops in voltage at the through current’s resistor (RIN) during release voltage operations (refer to diagram 2). Since hysteresis exis ts during detect operation, oscillation is unlikely to occur. Diagr am 2: Oscillati on in rel ati on to through current Function Description 1. When input voltage ( VIN) r ises above detect voltage ( VDF), output voltage ( VOUT) will be equal to VIN. (A condition of high impedance exists with N-ch open drain output configurations) . 2. When input voltage (VIN) falls below detect voltage ( VDF), output voltage w ill be equal to the ground voltage (VSS). 3. When input voltage (VI N) falls to a level below that of the minimum operating voltage (VMIN), output will become unstable. In this condition, VIN will equal the pulled-up output (should output be pull-up). 4. When input voltage ( VIN) rises above the ground voltage (VSS) level, output will be unstable at levels below the minimum operating voltage (VMIN). Between the VMIN and detec t release voltage VDR level, the ground voltage ( VSS) level w ill be maintained. 5. When input voltage ( VIN) r ises above detect releas e voltage ( VDR) , output voltage ( VOUT) will be equal to VIN. ( A condition of high impedance exists with N-ch open drain output configur ations.) 6. The difference between VDR and VDF represents the hysteresis range. Timing C hart 5/7 Version: A07 TS61 Series Voltage Detector SOT-23 Mechanical Drawing DIM A A1 B C D E F G H I J SOT-23 DIMENSION MILLIMETER S INCH ES MIN MAX MIN MAX. 0.95 BSC 0.037 BSC 1.9 BSC 0.074 BSC 2.60 3.00 0.102 0.118 1.40 1.70 0.055 0.067 2.80 3.10 0.110 0.122 1.00 1.30 0.039 0.051 0.00 0.10 0.000 0.004 0.35 0.50 0.014 0.020 0.10 0.20 0.004 0.008 0.30 0.60 0.012 0.024 5º 10º 5º 10º 6/7 Version: A07 TS61 Series Voltage Detector Notice Specifications of the produc ts displayed herein are s ubject to change without notice. TSC or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Infor mation contained herein is intended to pr ovide a product description only. N o license, express or implied, to any intellectual proper ty rights is granted by this document. Except as provided in TSC’s terms and conditions of sale for such products , TSC assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of TSC products including liability or warranties relating to fitness for a par ticular purpose, merchantability, or infringement of any patent, copyright, or other intellectual proper ty right. The products shown herein are not designed for use in medical, life-saving, or life-sus taining applications . C ustomers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify TSC for any damages resulting from such improper use or sale. 7/7 Version: A07