UCD3138 datasheet(17/89 Pages) TI1

tên linh kiện	UCD3138

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

PDF	89 Pages

Scroll/Zoom	100%

nhà sản xuất	TI1 [Texas Instruments]

Trang chủ	http://www.ti.com

Logo

17 / 89 page

UCD3138

www.ti.com

SLUSAP2G – MARCH 2012 – REVISED SEPTEMBER 2016

Submit Documentation Feedback

Product Folder Links: UCD3138

Specifications

Table 5-1. PMBus/SMBus/I2C Timing (continued)

PARAMETER

TEST CONDITIONS

MIN

TYP MAX

UNIT

(3)

t(HIGH), Max, is the minimum bus idle time. SMBC = SMBD = 1 for t > 50 ms causes reset of any transaction that is in progress. This

specification is valid when the NC_SMB control bit remains in the default cleared state (CLK[0] = 0).

(4)

t(LOW:SEXT) is the cumulative time a slave device is allowed to extend the clock cycles in one message from initial start to the stop.

(5)

Cb (pF)

t(LOW)

Clock low period

1.3

µs

t(HIGH)

Clock high period(3)

0.6

µs

t(LOW:SEXT)

Cumulative clock low slave extend

time(4)

Clock/data fall time

Rise time tr = (VILmax – 0.15) to (VIHmin + 0.15)

20 + 0.1

Cb(5)

300

Clock/data rise time

Fall time tf = 0.9 VDD to (VILmax – 0.15)

20 + 0.1

Cb(5)

300

Total capacitance of one bus line

400

Figure 5-1. I2C/SMBus/PMBus Timing Diagram

Figure 5-2. Bus Timing in Extended Mode

5.7

Power Supply Sequencing

UCD3138 bảng dữ liệu(PDF) 17 Page - Texas Instruments

UCD3138 bảng dữ liệu(HTML) 17 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89

bảng dữ liệu tải về

Link URL