SPSB100 datasheet(87/213 Pages) STMICROELECTRONICS

87 / 213 page

Symbol

Parameter

Condition

Min

Typ

Max

Unit

Iload = 50 mA to 3 A

Vout_buck3_011(1)(2)

Output voltage

BUCK3_PU_VALUE = 001

BUCK3_FTUNE = 011

VIN3 = 3 V to 5.5 V

Iload = 50 mA to 3 A

0.9797 1.01 1.0403

Vout_buck3_1V1(1)(2)

Output voltage

BUCK3_PU_VALUE = 010

VIN3 = 3 V to 5.5 V

Iload = 50 mA to 3 A

1.056

1.1

1.144

Vout_buck3_1V2(1)(2)

Output voltage

BUCK3_PU_VALUE = 011

VIN3 = 3 V to 5.5 V

Iload = 50 mA to 3 A

1.152

1.2

1.248

Vout_buck3_1V25(1)(2) Output voltage

BUCK3_PU_VALUE = 100

VIN3 = 3 V to 5.5 V

Iload = 50 mA to 3 A

1.2

1.25

1.3

Vout_buck3_3V3(1)(2)

Output voltage

BUCK3_PU_VALUE = 101 or 11x

VIN3 = 4.8 V to 7.0 V

Iload = 50 mA to 3 A

3.168

3.3

3.432

Vout_UV_buck3

Output undervoltage threshold

monitor range

For all BUCK3_PU_VALUE except 001

Vout_PG_buck3

Output power-good threshold

monitor range

Vout_OV_buck3

Output overvoltage threshold

monitor range

For all BUCK3_PU_VALUE except 001

104

107.5

111

Vout_UV_buck3

Output undervoltage threshold

monitor range for fine-tune

BUCK3_PU_VALUE = 001

0.8

0.9

Vout_PG_buck3_FT

Output power-good threshold

monitor range for fine-tune

BUCK3_PU_VALUE = 001

0.82

0.92

Vout_OV_buck3_FT

Output overvoltage threshold

monitor range for fine-tune

BUCK3_PU_VALUE = 001

1.04

1.125

tbuck3_PG_TO(3)

Output power-good timeout

4.8

7.5

tbuck3_UV_TO(3)

Vout undervoltage time-out

filter

µs

tbuck3_OV_TO(3)

Vout overvoltage time-out filter

µs

RDSON_HS_buck3_25 HS switch ON resistance at 3 A

VIN3 = 5 V

TJ = 25 °C

0.04

0.08

Ω

RDSON_HS_buck3_130 HS switch ON resistance at 3 A

VIN3 = 5 V

TJ = 130 °C

0.1

Ω

RDSON_LS_buck3_25

LS switch ON resistance at 3 A

VIN3 = 5 V

TJ = 25 °C

0.04

0.08

Ω

RDSON_LS_buck3_130

VIN3 = 5 V

TJ = 130 °C

0.1

Ω

Ilimit_buck3_00

Peak switching current limit

BUCK3_IPEAK = 00

3.4

4.6

Ilimit_buck3_01

Peak switching current limit

BUCK3_IPEAK = 01

4.25

5.75

Ilimit_buck3_10

Peak switching current limit

BUCK3_IPEAK = 10

5.1

6.9

Ilimit_buck3_11

Peak switching current limit

BUCK3_IPEAK = 11

5.95

8.05

tbuck3_OC_TO(3)

Over current filter time

125

150

200

µs

SPSB100

Electrical characteristics

DS14640 - Rev 2

page 87/213

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