D472 overview
D472 is a component documented by Rohm. The PDF description identifies it as "Bipolar Voltage Detector ICs." This guide condenses the most useful engineering information from the available PDF so that designers and sourcing teams can identify the checks that still need confirmation in the original document.
Datasheet snapshot
- Manufacturer: Rohm
- Part number: D472
- Category: Logic IC
- Datasheet length: 14 Pages
Specifications and operating details
The following points were extracted from the PDF text. Check the associated conditions, notes and limits in the complete document before using a value in a design.
- These ICs consist of three terminals (power supply, GND and reset output) to detect power supply voltages and outputs reset signals of various systems.
- Features High accuracy detection Low current consumption Very small package Open collector “L” reset output Package SSOP5 is similar to SOT-23-5 (JEDEC) Key Specifications Detection voltage range: 1.9V to 4.6V (Typ.) 0.1V steps.
- Unconnected Terminal SUB Substrate* GND GND V OUT Reset Output V DD Power Supply Voltage *Substrate Pin should be connected with GND GND BD47xx series RESET GND VOUT VDD VDD CPU Micro-controller CL RL N.C.
- Electrical characteristics (Unless Otherwise Specified Ta=25°C) Parameter Symbol Condition Limit Unit Min.
- CL:Capacitor to be connected between VOUT and GND. *1 tPLH:VDD=(VDET(typ.)-0.4V)(VDET(typ.)+0.4V) *2 tPHL:VDD=(VDET(typ.)+0.4V)(VDET(typ.)-0.4V) Design Guarantee. (Outgoing inspection is not done on all products) ROHM Co., Ltd.
- The release voltage has a hysteresis that is the value of the detection voltage +50mV (Typ.), preventing chattering in the output.
- Additionally, at least 0.85V input voltage is required for the circuit to function as expected .
Engineering review checklist
- Check voltage, continuous and pulsed current, safe operating area and junction-temperature limits.
- Evaluate conduction and switching losses using the specified drive conditions rather than headline ratings.
- Confirm pinout, package thermal path, gate or base protection and transient derating in the final circuit.
Always confirm values against the latest manufacturer-controlled datasheet, especially when qualifying a substitute or releasing a production BOM.
View the complete PDF and model record
Open the D472 datasheet and model details to review the complete PDF, document pages and available product information.
Source attribution
Adapted from the PDF associated with this DigiCamel model page.
Source model URL: https://www.digicamel.com/product.php?slug=d472-rohm