HT45FH3T datasheet(13/131 Pages) HOLTEK

13 / 131 page

Rev. 1.10

1�

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Rev. 1.10

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HT45FH3T

3D Glasses 8-bit Flash Type MCU

HT45FH3T

3D Glasses 8-bit Flash Type MCU

LVD & LVR Electrical Characteristics

Ta=�5°C

Symbol Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

VLVR

Low Voltage Reset Voltage

─ LVR Enable

-5%×T�p.

�.1

+5%×T�p.

VLVD1

Low Voltage Detector Voltage

─

LVDEN=1� VLVD=�.�V

-5%×

T�p.

�.�

+5%×

T�p.

VLVD�

LVDEN=1� VLVD=�.4V

�.4

VLVD�

LVDEN=1� VLVD=�.�V

�.�

VLVD4

LVDEN=1� VLVD=�.0V

�.0

VLVD5

LVDEN=1� VLVD=�.�V

�.�

VLVD6

LVDEN=1� VLVD=�.6V

�.6

VLVD�

LVDEN=1� VLVD=4.0V

4.0

ILVR

Low Voltage Reset Current

─ LVR Enable� LVDEN=0

─

�0

μA

ILVD

Low Voltage Detector Current

─ LVR enable� LVDEN=1

─

�0

μA

tLVR

Low Voltage Width to Reset

─

1�0

�40

480

μs

tLVD

Low Voltage Width to Interrupt

─

�0

μs

tLVDS

LVDO stable time

─ For LVR enable, LVD off→on

─

μs

─ For LVR disable, LVD off→on

�00

─

μs

tSRESET

Software Reset Width to Reset

─

1�0

μs

Note:LVRisawaysenabled(HALTmodedisabled)fixed@2.1V.

LDO Regulator Characteristics

V5=�V� VIN=VOUT + 1.0V� IO=1mA, Ta=25°C, unless otherwise specified

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

ΔVOUT

Output Voltage Tolerance

— IO=10mA� Ta=�5°C

-�

—

�

ΔVLOAD

Load Regulation(Note 1)

— 1mA≤IO≤30mA, VIN=5V

—

0.09

0.18

%/mA

— 1mA≤IO≤12mA, VIN=4V

—

VDROP

Drop Out Voltage(Note �)

— IO=�mA� ΔVO=�%

—

��0

— IO=5mA� ΔVO=�%

—

450

ISS

Quienscent Current

— IO=0mA

—

�

μA

ΔVLINE

Line Regulation

— �.0V+VOUT≤VIN≤28V, IO=1mA

—

0.�

—

%/V

VIN

Input Voltage VCC

—

�8

ΔVOUT/ΔTa Temperature Coefficient

— IO=10mA� -40°C<Ta<85°C

—

±0.54

—

mV/°C

Note:1.Loadregulationismeasuredataconstantjunctiontemperature,usingpulsetestingwithalowON

timeandisguaranteeduptothemaximumpowerdissipation.Powerdissipationisdeterminedbythe

input/outputdifferentialvoltageandtheoutputcurrent.Guaranteedmaximumpowerdissipationwillnot

beavailableoverthefullinput/outputrange.Themaximumallowablepowerdissipationatanyambient

temperatureisPD=(TJ(MAX)-Ta)/θJA.

2.Dropoutvoltageisdefinedastheinputvoltageminustheoutputvoltagethatproducesa2%changeinthe

outputvoltagefromthevalueatVIN=VOUT+2V.

HT45FH3T Datasheet(PDF) 13 Page - Holtek Semiconductor Inc

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