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BU4230G-TR
Datasheet Voltage Detector IC Series Low Voltage Free Delay Time Setting CMOS Voltage Detector IC Series BU42xx series BU43xx series ●General Description ROHM’s BU42xx and BU43xx series are CMOS Voltage Detector ICs with adjustable output delay. It is a high-accuracy, low current consumption Voltage Detector IC series with a built-in delay circuit. The lineup was established with two output types (Nch open drain and CMOS output) and detection voltages range from 0.9V to 4.8V in increments of 0.1V, so that the series may be selected according to application. ●Features Delay Time Controlled by external Capacitor Two output types (Nch open drain and CMOS output) Ultra-low current consumption Wide operating temperature range Very small and low height package Package SSOP5 and SOP4 is similar to SOT-23-5 and SC-82 respectively (JEDEC) ●Key Specifications Detection voltage: 0.9V to 4.8V (Typ.) 0.1V steps High accuracy detection voltage: ±1.0% Ultra-low current consumption: 0.55µA (Typ.) Operating temperature range: -40° to +125° C C ●Package SSOP5: 2.90mm x 2.80mm x 1.25mm SOP4: 2.00mm x 2.10mm x 0.95mm VSOF5: 1.60mm x 1.60mm x 0.60mm ●Applications Circuits using microcontrollers or logic circuits that require a reset. ●Typical Application Circuit VDD1 VDD1 VDD2 RL RST BU42xx CIN CT CIN RST BU43xx Micro controller CT CL CL (Capacitor for noise filtering) (Capacitor for noise filtering) GND Open Drain Output type BU42xx series ●Connection Diagram & Pin Descriptions SSOP5 SOP4 N.C. CT TOP VIEW TOP VIEW VOUT Function CMOS Output type BU43xx series VOUT 4 PIN Symbol No. VSOF5 TOP VIEW CT 3 Lot. No 1 GND VDD GND PIN Symbol No. GND Marking Lot. No Marking Micro controller Marking 1 2 3 VOUT SUB CT 2 VDD Function GND VDD 4 5 PIN Symbol No. Lot. No Function 1 2 VOUT VDD Reset output Power supply voltage 1 2 GND VDD GND Power supply voltage 1 2 VOUT SUB Reset output Substrate* 3 GND GND 3 CT Capacitor connection terminal for output delay time 3 CT Capacitor connection terminal for output delay time 4 N.C. Unconnected terminal 4 VOUT Reset output 4 VDD Power supply voltage 5 CT Capacitor connection terminal for output delay time 5 GND GND *Connect the substrate to VDD ○Product structure：Silicon monolithic integrated circuit ○This product is not designed for protection against radioactive rays . www.rohm.com TSZ02201-0R7R0G300050-1-2 © 2014 ROHM Co., Ltd. All rights reserved. 1/13 03.Feb.2014 Rev.008 TSZ22111・14・001
ROHM
ローム株式会社
日本
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