SPSB100 datasheet(78/213 Pages) STMICROELECTRONICS

78 / 213 page

Symbol

Parameter

Condition

Min

Typ

Max

Unit

VIN12_L

Input voltage range

Vout_buck2 = 3.3 V

Vout_buck2_33(1)

Output voltage

BUCK2_PU_VALUE = 00

Transients and ripple not included

VIN12 = 8.5 V to 16 V

Iload = 50 mA to 1.5 A

Freq. = 400 kHz

3.23

3.3

3.399

Vout_buck2_5(1)

Output voltage

BUCK2_PU_VALUE = 01

Transients and ripple not included

VIN12 = 8.5 V to 16 V

Iload = 50 mA to 1.5 A

Freq. = 400 kHz

4.9

5.15

Vout_buck2_65(1)

Output voltage

BUCK2_PU_VALUE = 1x

Transients and ripple not included

VIN12 = 8.5 V to 16 V

Iload = 50 mA to 1.5 A

Freq. = 400 kHz

6.37

6.5

6.695

Vout_UV_buck2_err

Output undervoltage threshold

monitor range

Vout_PG_buck2

Output power-good threshold

monitor range

Vout_OV_ buck2_err

Output overvoltage threshold

monitor range

103

107

111

tbuck2_PG_TO(2)

Output power-good time-out

4.8

7.5

tbuck2_UV_TO(2)

Vout undervoltage time-out filter

µs

tbuck2_OV_TO(2)

Vout overvoltage time-out filter

µs

RDSON_HS_buck2_25

HS switch ON resistance at 1.5 A

VIN12 = 14 V

Tj = 25 °C

0.095 0.12

Ω

RDSON_HS_buck2_130

HS switch ON resistance at 1.5 A

VIN12 = 14 V

Tj = 130 °C

0.165

Ω

RDSON_LS_buck2_25

LS switch ON resistance at 1.5 A

VIN12 = 14 V

Tj = 25 °C

0.095 0.12

Ω

RDSON_LS_buck2_130

LS switch ON resistance at 1.5 A

VIN12 = 14 V

Tj = 130 °C

0.165

Ω

Ilimit_buck2_000

Peak switching current limit at VIN12

= 14 V

BUCK2_IPEAK = 000

1.7

2.3

Ilimit_buck2_001

Peak switching current limit at VIN12

= 14 V

BUCK2_IPEAK = 001

2.125

2.5

2.875

Ilimit_buck2_010

Peak switching current limit at VIN12

= 14 V

BUCK2_IPEAK = 010

2.55

3.45

Ilimit_buck2_011

Peak switching current limit at VIN12

= 14 V

BUCK2_IPEAK = 011

2.975

3.5

4.025

Ilimit_buck2_100

Peak switching current limit at VIN12

= 14 V

BUCK2_IPEAK = 100

3.2

4.6

Ilimit_buck2_101

Peak switching current limit at VIN12

= 14 V

BUCK2_IPEAK = 101

3.5

4.5

5.175

Ilimit_buck2_11x

Peak switching current limit at VIN12

= 14 V

BUCK2_IPEAK = 11x

3.75

5.75

tbuck2_OC_TO(2)

Over current filter time

125

150

200

µs

SPSB100

Electrical characteristics

DS14640 - Rev 2

page 78/213

SPSB100 Datenblatt(PDF) 78 Page - STMicroelectronics

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