MCT8316Z datasheet(8/100 Pages) TI

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7.4 Thermal Information

THERMAL METRIC(1)

MCT8316ZT-Q1,

MCT8316ZR-Q1

UNIT

VQFN (RGF)

40 Pins

RθJA

Junction-to-ambient thermal resistance

25.7

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

15.2

°C/W

RθJB

Junction-to-board thermal resistance

7.3

°C/W

ΨJT

Junction-to-top characterization parameter

0.2

°C/W

ΨJB

Junction-to-board characterization parameter

7.2

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

2.0

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report.

7.5 Electrical Characteristics

TJ = –40°C to +150°C, VVM = 4.5 to 35 V (unless otherwise noted). Typical limits apply for TA = 25°C, VVM = 24 V

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX UNIT

POWER SUPPLIES

IVMQ

VM sleep mode current

VVM > 6 V, nSLEEP = 0, TA = 25 °C

1.5

2.5

µA

nSLEEP = 0

2.5

µA

IVMS

VM standby mode current

(Buck regulator disabled)

nSLEEP = 1, PWM = 0, SPI =

'OFF', BUCK_DIS = 1;

VVM > 6 V, nSLEEP = 1, PWM = 0, SPI =

'OFF', TA = 25 °C, BUCK_DIS = 1;

IVMS

VM standby mode current

(Buck regulator enabled)

VVM > 6 V, nSLEEP = 1, PWM = 0, SPI =

'OFF', IBK = 0, TA = 25 °C, BUCK_DIS =

nSLEEP = 1, PWM = 0, SPI = 'OFF', IBK

= 0, BUCK_DIS = 0;

IVM

VM operating mode current

(Buck regulator disabled)

VVM > 6 V, nSLEEP = 1, fPWM = 25 kHz,

TA = 25 °C, BUCK_DIS = 1

VVM > 6 V, nSLEEP = 1, fPWM = 200 kHz,

TA = 25 °C, BUCK_DIS = 1

nSLEEP =1, fPWM = 25 kHz, BUCK_DIS

= 1

nSLEEP =1, fPWM = 200 kHz,

BUCK_DIS = 1

IVM

VM operating mode current

(Buck regulator enabled)

VVM > 6 V, nSLEEP = 1, fPWM =

25 kHz, TA = 25 °C, BUCK_DIS =

0; BUCK_PS_DIS = 0

VVM > 6 V, nSLEEP = 1, fPWM =

200 kHz, TA = 25 °C, BUCK_DIS =

0; BUCK_PS_DIS = 0

nSLEEP =1, fPWM = 25 kHz, BUCK_DIS

= 0; BUCK_PS_DIS = 0

nSLEEP =1, fPWM = 200 kHz,

BUCK_DIS = 0; BUCK_PS_DIS = 0

VAVDD

Analog regulator voltage

0 mA ≤ IAVDD ≤ 30 mA; BUCK_PS_DIS =

3.1

3.3

3.465

IAVDD

External analog regulator load

VVCP

Charge pump regulator voltage

VCP with respect to VM

3.6

4.7

5.2

fCP

Charge pump switching frequency

400

kHz

MCT8316Z-Q1

SLVSGO3 – DECEMBER 2021

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