BD4746G-TR Datasheet, PDF (1/13 Pages) Rohm – Bipolar Voltage Detector ICs

Datasheet
Voltage Detector IC Series
Bipolar
Voltage Detector ICs
BD47xx series
●General Description
The BD47xx series is a Voltage Detector IC,
developed to prevent system errors at transient state,
when the power of CPU or logic circuit switches
ON/OFF or in cases of momentary shut down. These
ICs consist of three terminals (power supply, GND and
reset output) to detect power supply voltages and
outputs reset signals of various systems. These ICs
are ultra-compact and have low current consumption,
making them ideal for portable products.
●Features
„ High accuracy detection
„ Low current consumption
„ Very small package
„ Open collector “L” reset output
„ Package SSOP5 is similar to SOT-23-5 (JEDEC)
●Typical Application Circuit
●Key Specifications
„ Detection voltage range:
1.9V to 4.6V (Typ.)
„ High accuracy detection voltage:
„ Low current consumption:
„ Operating temperature range:
0.1V steps
±1%
1.6µA (Typ.)
-40°C to +75°C
●Package
SSOP5
2.90mm x 2.80mm x 1.25mm
●Applications
Circuits using microcontrollers or logic circuits that require
a reset.
VDD
BD47xx series
VOUT
GND
VDD
RL
RESET
CPU
Micro-controller
CL
GND
●Connection Diagram
SSOP5
TOP VIEW
V_DD
VOUT
Marking
Lot. No
N.C. SUB GND
●Pin Descriptions
PIN No. Symbol
Function
1
N.C. Unconnected Terminal
2
SUB Substrate*
3
GND GND
4
VOUT Reset Output
5
V_DD
Power Supply Voltage
*Substrate Pin should be connected with GND
○Product structure：Silicon monolithic integrated circuit ○This product is not designed for protection against radioactive rays
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TSZ02201-0R7R0G300020-1-2
18.Nov.2012 Rev.005