UCD3138 datasheet(18/68 Pages) TI1

tên linh kiện	UCD3138

Giải thích chi tiết về linh kiện	Highly Integrated Digital Controller for Isolated Power

PDF	68 Pages

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nhà sản xuất	TI1 [Texas Instruments]

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18 / 68 page

UCD3138

SLUSAP2 A – MARCH 2012 – REVISED MARCH 2012

www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

V33A = V33D = V33DIO = 3.3V; 1

μF from VREG to DGND, TJ = –40°C to 125°C (unless otherwise noted)

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

ITEMP

Current draw of sensor when active

μA

TON

Turn on time / settling time of sensor

100

μs

VAMB

Ambient temperature

Trimmed 25°C reading

1.85

ANALOG COMPARATOR

DAC

Reference DAC Range

2.5

Reference Voltage

2.478

2.5

2.513

Bits

bits

INL(6)

-0.42

0.21

LSB

DNL(6)

0.06

0.12

LSB

Offset

-5.5

19.5

Time to disable DPWM output based on 0

V to 2.5 V step input on the analog

150

comparator.(8)

Reference DAC buffered output load(9)

0.5

Buffer offset (-0.5 mA)

4.6

8.3

Buffer offset (1.0 mA)

-0.05

(8)

As designed and characterized. Not 100% tested in production.

(9)

Available from reference DACs for comparators D, E, F and G.

Electrical Specifications

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