HT45F23A View Datasheet(PDF) - Holtek Semiconductor

Part Name

Description

Manufacturer

HT45F23A

8-Bit Flash MCU with Op Amps & Comparators

Holtek Semiconductor 

HT45F23A

8-Bit Flash MCU with Op Amps & Comparators

LDO 3.3V

Symbol

Parameter

VDDIN

VDDOUT

IDD

IOUT

Supply Voltage

Output Voltage

Current Consumption

Output Current

Test Conditions

VDD

Conditions

—

—

—

—

— After startup, no load

5V VCAP=1µF

Ta= 25˚C

Min. Typ. Max. Unit

3.6

—

5.5

V

3.13 3.30 3.46

V

—

50

70

µA

200

— 1100 µA

Note: 1.This LDO can provide stable power supply for PIR sensor with a 10µF cap.

2. The VREF pin should be connected to 10µF for ADC reference voltage and 10µF for PIR sensor.

Power-on Reset Characteristics

Symbol

Parameter

VPOR

RRVDD

tPOR

VDD Start Voltage to Ensure

Power-on Reset

VDD raising rate to Ensure

Power-on Reset

Minimum Time for VDD Stays at

VPOR to Ensure Power-on Reset

V DD

Test Conditions

VDD

Conditions

—

—

—

—

—

—

Min.

Typ.

Ta= 25˚C

Max. Unit

—

—

100 mV

0.035 —

1

—

— V/ms

—

ms

tP O R

R R VDD

V POR

T im e

Rev. 1.00

19

July 03, 2012

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