LTC4258 datasheet(2/28 Pages) LINER

2 / 28 page

LTC4258

4258p

Supply Voltages

VDD to DGND .......................................... – 0.3V to 5V

VEE to AGND ......................................... 0.3V to – 70V

DGND to AGND (Note 2) ....................................

±1V

Digital Pins

SCL, SDAIN, SDAOUT, INT, AUTO, RESET

SHDN

n, ADn ................. DGND – 0.3V to DGND + 5V

Analog Pins

GATE

n (Note 3) ................... VEE – 0.3V to VEE + 12V

DETECT

n ...................... DGND –20V to DGND +0.3V

SENSE

n ................................. VEE – 0.3V to VEE + 1V

OUT

n .................................... VEE – 70V to VEE + 70V

OSCIN .......................... DGND – 0.3V to DGND + 5V

BYP Current .................................................

±0.1mA

Operating Ambient Temperature Range ...... 0

°C to 70°C

Junction Temperature (Note 5) ............................ 150

°C

Storage Temperature Range ................ – 65

°C to 150°C

Lead Temperature (Soldering, 10 sec)................. 300

°C

ORDER PART

NUMBER

TJMAX = 150°C, θJA = 80°C/W

LTC4258CGW

(Note 1)

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

Consult LTC Marketing for parts specified with wider operating temperature ranges.

TOP VIEW

GW PACKAGE

36-LEAD PLASTIC SSOP

RESET

BYP

INT

SCL

SDAOUT

SDAIN

AD3

AD2

AD1

AD0

DETECT1

DETECT2

DETECT3

DETECT4

DGND

VDD

SHDN1

SHDN2

AUTO

OUT1

GATE1

SENSE1

OUT2

GATE2

SENSE2

VEE

OUT3

GATE3

SENSE3

OUT4

GATE4

SENSE4

AGND

SHDN4

SHDN3

ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. AGND = DGND = 0V, VDD = 3.3V, VEE = –48V unless otherwise noted

(Note 5).

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Power Supplies

VDD

VDD Supply Voltage

3.3

VEE

VEE Supply Voltage

To Maintain IEEE Compliant Output (Note 6)

–48

–57

IDD

VDD Supply Current

2.5

IEE

VEE Supply Current

Normal Operation

–2

–5

During Classification Into Short (VDETECTn = 0V)

VDDMIN

VDD UVLO Voltage

2.7

VEEMINON

VEE UVLO Voltage (Turning On)

VEE – AGND

–31

VEEMINOFF VEE UVLO Voltage (Turning Off)

VEE – AGND

–28

Detection

IDET

Detection Current

First Point, VDETECTn = –10V

235

300

µA

Second Point, VDETECTn = –3.5V

145

190

µA

VDET

Detection Voltage Compliance

Open Circuit, Measured at DETECT

n Pin

–20

–23

RDETMIN

Minimum Valid Signature Resistance

15.2

Ω

RDETMAX

Maximum Valid Signature Resistance

26.7

Ω

Classification

VCLASS

Classification Voltage

0mA < ICLASS < 31mA

–16.4

–21

ICLASS

Classification Current Compliance

Into Short (VDETECT = 0V)

LTC4258 bảng dữ liệu(PDF) 2 Page - Linear Technology

LTC4258 bảng dữ liệu(HTML) 2 Page - Linear Technology

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

bảng dữ liệu tải về

Link URL