L7292 datasheet(12/60 Pages) STMICROELECTRONICS

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Electrical characteristics

L7292

12/60

DocID028601 Rev 1

Electrical characteristics

All specifications are for -30 °C < TA < 85°C, ALL SUPx = 5 V, VBUS = 3.3 V (≤ VSUP)

unless otherwise noted.

5.1

Recommended operating conditions

Performance specifications do not apply when the device is operated outside the

recommended conditions, unless otherwise indicated.

5.2

Bias DC characteristics

Table 4. Recommended operating conditions

Parameter

Min.

Typ.

Max.

Unit

SUP, SUP14 - 2 - 3 - 5, SUPDR voltage(1)

1. The “min.” value reported is referring to the typical value of undervoltage threshold distribution.

2.7

5.5

VBUS voltage

1.72

3.63

Ambient temperature, TA

-30

°C

Total power dissipation, with device appropriately mounted(2)

QFN 5 x 5 x 0.9 40L

2. Device mounted on the multilayer PCB with appropriate thermal optimization. If multiple ratings are listed

for the same parameter, all apply simultaneously.

2.2

Table 5. Bias DC characteristics

Parameter

Conditions

Min.

Typ.

Max.

Unit

LDO INT output voltage

Cout = 1.0

F, Iload = 0

1.8

Deep sleep mode quiescent supply

current

VSUP = 5 V

REGCTRL bit 7 = 1 BUCK1

- 2 - 4 - 5 = OFF

BUCK3 = ON no load

µA

Quiescent supply current

VSUP = 5 V

REGCTRL bit 7 = 0 BUCK1

- 2 - 3 - 4 - 5 = ON no load

175

µA

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