MCT8316Z datasheet(10/100 Pages) TI

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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

VBK

Buck regulator average voltage

(LBK = 22 µH, CBK = 22 µF)

(HW Device)

VVM > 6 V, 0 mA ≤ IBK ≤ 50 mA,

VSEL_BK pin tied to AGND

3.1

3.3

3.5

VVM > 6 V, 0 mA ≤ IBK ≤ 50

mA, VSEL_BK pin to Hi-Z

4.6

5.0

5.4

VVM > 6 V, 0 mA ≤ IBK ≤ 50

mA, VSEL_BK pin to 47 kΩ +/- 5% tied

to AVDD

3.7

4.0

4.3

VVM > 6.7 V, 0 mA ≤ IBK ≤ 50 mA,

VSEL_BK pin tied to AVDD

5.2

5.7

6.2

VVM < 6.0 V, 0 mA ≤ IBK ≤ 50 mA

VVM–

IBK*(RLBK+

2)(1)

VBK

Buck regulator average voltage

(RBK = 22 Ω, CBK = 22 µF)

(HW Device)

VVM > 6 V, 0 mA ≤ IBK ≤ 40 mA,

VSEL_BK pin tied to AGND

3.1

3.3

3.5

VVM > 6 V, 0 mA ≤ IBK ≤ 40

mA, VSEL_BK pin to Hi-Z

4.6

5.0

5.4

VVM > 6 V, 0 mA ≤ IBK ≤ 40

mA, VSEL_BK pin to 47 kΩ +/- 5% tied

to AVDD

3.7

4.0

4.3

VVM > 6.7 V, 0 mA ≤ IBK ≤ 40 mA,

VSEL_BK pin tied to AVDD

5.2

5.7

6.2

VVM < 6.0 V, 0 mA ≤ IBK ≤ 40 mA

VVM–

IBK*(RBK+2

)(1)

VBK_RIP

Buck regulator ripple voltage

VVM > 6 V, 0 mA ≤ IBK ≤ 200 mA, Buck

regulator with inductor, LBK = 47 uH, CBK

= 22 µF

–100

100

VVM > 6 V, 0 mA ≤ IBK ≤ 50 mA, Buck

regulator with inductor, LBK = 22 uH, CBK

= 22 µF

–100

100

VVM > 6 V, 0 mA ≤ IBK ≤ 50 mA, Buck

regulator with resistor; RBK = 22 Ω, CBK

= 22 µF

–100

100

IBK

External buck regulator load

LBK = 47 uH, CBK = 22 µF,

BUCK_PS_DIS = 1b

200

LBK = 47 uH, CBK = 22 µF,

BUCK_PS_DIS = 0b

200 –

IAVDD

LBK = 22 uH, CBK =

22 µF, BUCK_PS_DIS = 1b

LBK = 22 uH, CBK = 22 µF,

BUCK_PS_DIS = 0b

50 –

IAVDD

RBK = 22 Ω, CBK =

22 µF, BUCK_PS_DIS = 1b

RBK = 22 Ω, CBK = 22 µF,

BUCK_PS_DIS = 0b

40 –

IAVDD

fSW_BK

Buck regulator switching frequency

Regulation Mode

535

kHz

Linear Mode

535

kHz

MCT8316Z-Q1

SLVSGO3 – DECEMBER 2021

www.ti.com

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