SPSB100 datasheet(77/214 Pages) STMICROELECTRONICS

77 / 214 page

Symbol

Parameter

Condition

Min

Typ

Max

Unit

Iload = 50 μA to IBuck1_LP

Vbuck1_LP_01

Output voltage in low power mode

BUCK1_PU_VALUE = 01

Line/load transients not included

Ripple included

VIN12 = 8.5 V to 16 V

Iload = 50 μA to IBuck1_LP

4.75

5.25

Vbuck1_LP_1X

Output voltage in low power mode

BUCK1_PU_VALUE = 1x

Line/load transients not included

Ripple included

VIN12 = 8.5 V to 16 V

Iload = 50 μA to IBuck1_LP

6.22

6.5

6.78

Isw_limit_buck1_LP

Peak current limit in LP mode

750

1000 1250

Vout_UV_buck1_LP_33

Output undervoltage threshold

monitor in LP mode

Vout = 3.3 V

2.8

2.9

3.05

Vout_UV_buck1_LP_5

Output undervoltage threshold

monitor in LP mode

Vout = 5 V

4.15

4.35

4.65

Vout_UV_buck1_LP_65

Output undervoltage threshold

monitor in LP mode

Vout = 6.5 V

5.45

5.65

5.85

Vout_OV_ buck1_LP_33

Output overvoltage threshold

monitor in LP mode

Vout = 3.3 V

3.55

3.7

3.8

Vout_OV_buck1_LP_5

Output overvoltage threshold

monitor in LP mode

Vout = 5 V

5.4

5.65

5.85

Vout_OV_buck1_LP_65

Output overvoltage threshold

monitor in LP mode

Vout = 6.5 V

6.9

7.2

7.5

RDSON_HS_buck1_LP_25 HS switch ON resistance at 0.1 A

VIN12 = 14 V

Tj = 25 °C

0.72

0.9

Ω

RDSON_HS_buck1_LP_130 HS switch ON resistance at 0.1 A

VIN12 = 14 V

Tj = 130 °C

1.3

Ω

RDSON_LS_buck1_LP_25 LS switch ON resistance at 0.1 A

VIN12 = 14 V

Tj = 25 °C

0.2

0.3

Ω

RDSON_LS_buck1_LP_130 LS switch ON resistance at 0.1 A

VIN12 = 14 V

Tj = 130 °C

0.4

Ω

1. Guaranteed by bench measurements. Performances verified in applicative conditions. Tested in static load conditions (Iload

= 150 mA at 400 kHz and 2.4 MHz).

2. Digital implementation is guaranteed by scan test.

3. Guaranteed by design.

7.9

BUCK2 converter

The voltages are referred to GND and currents are assumed positive, when the current flows into the pin.

8.5 V ≤ VIN12 ≤ 29 V, Tj = -40 °C to 150 °C, unless otherwise specified.

BUCK2 shares the same input as BUCK1.

Table 30. BUCK2 converter

Symbol

Parameter

Condition

Min

Typ

Max

Unit

VIN12_H

Input voltage range

Vout_buck2 = 6.5 V

9.2

VIN12_M

Input voltage range

Vout_buck2 = 5 V

7.7

VIN12_L

Input voltage range

Vout_buck2 = 3.3 V

SPSB100

Electrical characteristics

DS14640 - Rev 1

page 77/214

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