LTM4719 datasheet(11/53 Pages) AD

11 / 53 page

Data Sheet

LTM4719

analog.com

Rev. 0

11 of 53

(TA = 25°C, VIN1 = SVIN1 = 24V, VIN2 = SVIN2 = 12V, VINC = VOC = AVCC = DVCC = 3.6V, VSET1 = VSET2 = GND, VBUS = 2.3V, VOUT =

1.8V, EN2 = VBUS, COUT = 1μF, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS/COMMENTS

MIN

TYP

MAX

UNITS

Zero-scale

temperature

(00000000 code)

–41

°C

Hot die temperature

warning threshold

(die temperature that

causes IRQ = 0)

00000000 code for register bits

H[15:8]

–41

°C

11111111 code for register bits

H[15:8] (default)

159

Cold die temperature

warning threshold

(die temperature that

causes IRQ = 0)

00000000 code for register bits

H[7:0] (default)

–41

°C

11111111 code for register bits

H[7:0]

159

Supercapacitor Balancer

VSCAP (VOC pin)

VSCAP

Supercapacitor

balancer input

range

–40°C ≤ TJ ≤

125°C

2.5

5.5

ISCAP (VOC pin)

ISCAP

Supercapacitor balancer quiescent

current, VOC = 5V, IBAL = 0

200

400

Supercapacitor

balancer max source

current

VOC = 5V, VBAL = 2.4V

Supercapacitor

balancer max sink

current

VOC = 5V, VBAL = 2.6V

–10

Supercapacitor

balance point (VBAL)

VBAL

Percentage of

VOC voltage

–40°C ≤ TJ ≤

125°C

Digital Inputs and Outputs

DVCC voltage range

DVCC

–40°C ≤ TJ ≤ 125°C

1.8

5.5

Digital input high

voltage

DVIH

For pins IPK[2:0]

–40°C ≤ TJ ≤

125°C

VINC –

0.5

For pins SDA,

SCL

–40°C ≤ TJ ≤

125°C

%DVCC

Digital input low

voltage

DVIL

For pins IPK[2:0]

–40°C ≤ TJ ≤

125°C

0.5

For pins SDA,

SCL

–40°C ≤ TJ ≤

125°C

%DVCC

LTM4719 Datasheet(PDF) 11 Page - Analog Devices

LTM4719 Datasheet(HTML) 11 Page - Analog Devices

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

Datasheet Download

Link URL