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TS3003DB データシート(PDF) 1 Page - Touchstone Semiconductor Inc |
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TS3003DB データシート(HTML) 1 Page - Touchstone Semiconductor Inc |
1 / 4 page TS3003 Demo Board Page 1 © 2013 Touchstone Semiconductor, Inc. All rights reserved. FEATURES 5V Supply Voltage FOUT/PWMOUT Output Period: 40µs(25kHz) o RSET = 4.32 MΩ PWMOUT Output Duty Cycle: o 75% for FDIV2:0 = 000 o CPWM = 100pF PWMOUT Duty Cycle Reduction o 1MΩ Potentiometer Fully Assembled and Tested 2in x 2in 2-layer circuit board COMPONENT LIST DESIGNATION QTY DESCRIPTION C1 1 100pF ±10% capacitor (0805) C2 1 4.7µF ±10% capacitor (0805) R2 1 10 MΩ ± 1% (0805) R1 1 4.32 MΩ ± 1% (0805) PWM_ADJ 1 1MΩ Potentiometer U1 1 TS3003 VDD,F_OUT, PWM_OUT 3 Test points J1 1 Jumper DESCRIPTION The TS3003 is a single-supply, second-generation Touchstone Semi oscillator/timer fully specified to operate at a supply voltage range of 1.55V to 5.25V while consuming less than 2.4 μA(max) supply current. Requiring only a resistor to set the base output frequency (or output period) at 25kHz (or 40µs) with a 50% duty cycle, the TS3003 timer/oscillator is compact, easy-to-use, and versatile. Optimized for ultra-long life, low frequency, battery-powered/portable applications, TS3003 joins the TS3001, TS3002, TS3004, and TS3006 in Touchstone’s CMOS timer family in its “NanoWatt Analog™” series of high-performance analog integrated circuits. The TS3003 requires only an RSET = 4.32 MΩ resistor to set the FOUT/PWMOUT output period to 40µs(25kHz). With an on-board 100pF CPWM capacitor, the duty cycle of PWMOUT is set at approximately 75%. Further reduction of the duty cycle is available with an on- board 1MΩ potentiometer. The complete circuit is designed at a supply voltage of 5V. The TS3003 is fully specified over the -40°C to +85°C temperature range and is available in a low-profile, 10-pin 3x3mm TDFN package with an exposed back-side paddle. Product datasheet and additional documentation can be found on the factory web site at www.touchstonesemi.com. ORDERING INFORMATION Order Number Description TS3003DB TS3003 Demo Board A 1.55V to 5.25V, 1.9µA, 9kHz to 300kHz Silicon Timer Figure 1. TS3003 Demo Board Circuit |
同様の部品番号 - TS3003DB |
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同様の説明 - TS3003DB |
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