PIFE32251B-R47MS datasheet(27/96 Pages) TI1

27 / 96 page

TPS65094

www.ti.com

SWCS133C – SEPTEMBER 2015 – REVISED FEBRUARY 2019

Submit Documentation Feedback

Product Folder Links: TPS65094

Specifications

5.15 Switching Characteristics

over operating free-air temperature range and over recommended input voltage range (typical values are at TA = 25°C)

(unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

BUCK CONTROLLERS

tPG

Total turnon time

Measured from enable going high to when output reaches 90% of

target value.

550

850

µs

TON,MIN

Minimum ON time

of DRVH

TDEAD

Driver dead-time

DRVH off to DRVL on

DRVL off to DRVH on

fSW

Switching

frequency

Continuous-conduction mode,

VIN = 13 V, VOUT ≥ 1 V

1000

kHz

BUCK CONVERTERS

tPG

Total turnon time

Measured from enable going high to when output reaches 90% of

target value.

VOUT = 1 V, COUT = 88 µF

250

1000

µs

fSW

Switching

frequency

Continuous-conduction mode, BUCK3 VOUT = 1 V, IOUT = 1 A

1.6

MHz

Continuous-conduction mode, BUCK3 VOUT = 1.05 V, IOUT = 1 A

1.7

Continuous-conduction mode, BUCK4 VOUT = 1.8 V, IOUT = 1 A

2.5

Continuous-conduction mode, BUCK5 VOUT = 1.24 V, IOUT = 1 A

2.4

Continuous-conduction mode, BUCK5 VOUT = 1.35 V, IOUT = 1 A

2.5

LDOAx

tSTARTUP

Start-up time

Measured from enable going high to when output reaches 95% of

final value,

VOUT = 1.2 V, COUT = 4.7 µF

180

µs

VTT LDO

tSTARTUP

Start-up time

Measured from enable going high to PG assertion,

VOUT = 0.675 V, COUT = 40 µF

µs

SWA1

tTURN-ON

Turnon time

Measured from enable going high to reach 95% of final value,

VIN = 3.3 V, COUT = 0.1 µF

0.85

Measured from enable going high to reach 95% of final value,

VIN = 1.8 V, COUT = 0.1 µF

0.63

SWB1_2

tTURN-ON

Turnon time

Measured from enable going high to reach 95% of final value,

VIN = 3.3 V, COUT = 0.1 µF

1.1

Measured from enable going high to reach 95% of final value,

VIN = 1.8 V, COUT = 0.1 µF

0.82

PIFE32251B-R47MS 데이터시트(PDF) 27 Page - Texas Instruments

PIFE32251B-R47MS 데이터시트(HTML) 27 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 90 91 92 93 94 95 96

데이터시트 다운로드

링크 URL