s-873023cup-afct2u Seiko Instruments Inc., s-873023cup-afct2u Datasheet - Page 41
s-873023cup-afct2u
Manufacturer Part Number
s-873023cup-afct2u
Description
High Withstand-voltage Voltage Regulator With Reset Function
Manufacturer
Seiko Instruments Inc.
Datasheet
1.S-873023CUP-AFCT2U.pdf
(53 pages)
- Current page: 41 of 53
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Rev.8.0
1. Microcomputer power supply and reset circuit
2. Output current boost circuit
Application Circuits
To construct a microcomputer power supply and a reset circuit using conventional ICs, a voltage regulator
IC, a voltage detector IC, a delay time generation circuit and others are required. The A/B type allows
you to make these circuits without these ICs, and the delay time is variable.
Caution The above connection diagram and constants do not guarantee correct operation.
A PNP transistor is used to increase the output current.
1. A/ B type
HIGH WITHSTAND-VOLTAGE VOLTAGE REGULATOR WITH RESET FUNCTION
_00
Perform sufficient evaluation using the actual application to set the constants.
V
IN
C
D
CD
VIN
Seiko Instruments Inc.
CD
VIN
VOUT
VOR
VSS
Figure 37
Figure 36
VOUT
VOR
100 kΩ
RESET
V
V
V
OUT
OR
SS
CPU
V
V
S-87x Series
OUT
SS
41
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