LTC7813 datasheet(7/59 Pages) AD

7 / 59 page

Data Sheet

LT8210-1

analog.com

Rev. A

7 of 59

(Specifications are at TA = 25°C. VIN = 12V, VINP = 12V, VEN/UVLO = 3.3V, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS/COMMENTS

MIN

TYP

MAX

UNITS

DG Gate Drive Voltage

(VDG– VIN)

VDG_DRIVE

Non-Switching

-40°C ≤ TJ ≤ 125°C

7.0

8.5

Reverse Input

Disconnect Threshold

(VIN)

VREV_DIS_TH

IDG= 100µA

-40°C ≤ TJ ≤ 125°C

–1.8

–1.2

–0.5

DG Pin Pull-Down

Current

IDB_PULL_DN

VIN= –4V, VDG – VIN

= 5V

-40°C ≤ TJ ≤ 125°C

130

DG Pin Pull-Up

Current

IDG_PULL_UP

VDG – VIN = 1.5V

-40°C ≤ TJ ≤ 125°C

100

180

µA

VDG – VIN = 8.5V

-40°C ≤ TJ ≤ 125°C

DG Undervoltage

Threshold (VDG– VIN)

VDG_UV_TH

Rising

-40°C ≤ TJ ≤ 125°C

2.3

2.8

DG Undervoltage

Hysteresis (VDG – VIN)

VDG_UV_HYST

700

Voltage Regulation

FB1 Regulation

Voltage

VFB1

Regulation

Voltage for CCM,

DCM Operation,

Pass-Thru Mode

Boost Loop

-40°C ≤ TJ ≤ 125°C 0.982

1.00

1.016

FB2 Regulation

Voltage

VFB2

Regulation

Voltage Pass-

Thru Mode Buck

Loop

-40°C ≤ TJ ≤ 125°C

0.98

1.00

1.02

FB1, FB2 Input Bias

Current

IB_FB1

IB_FB2

-40°C ≤ TJ ≤ 125°C

0.001

0.04

µA

FB1, FB2 Line

Regulation

VINP = 3V to 100V

-40°C ≤ TJ ≤ 125°C

0.001 0.008

%/V

FB1, FB2 Error

Amplifier

Transconductance

450

µA/V

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