SPV1050 datasheet(11/36 Pages) STMICROELECTRONICS

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SPV1050

Electrical characteristics

DC-DC converter

VIN_LV

Input voltage range

Boost configuration

0.15

VEOC

VIN_HV

Buck-boost configuration

0.15

VIN-MIN

Minimum input voltage at

startup

Boost configuration BATT_CONN

high or at first startup

0.55

0.58

Buck-boost configuration

BATT_CONN high or at first startup

2.6

2.8

IB-SU

Startup input current

Boost configuration

µA

IBB-SU

Buck-boost configuration

µA

R-ONB

Low-side MOS resistance

Boost configuration

0.5

1.0

1.5



SR-ONB

Synchronous rectifier MOS

resistance

0.5

1.0

1.5

R-ONBB

Low-side MOS resistance

Buck-boost configuration

11.5



SR-ONBB

Synchronous rectifier MOS

resistance

11.5

fSW

Maximum allowed switching

frequency

Boost and buck-boost configurations

MHz

UVLOH

Undervoltage lockout

threshold (VSTORE

increasing)

Boost and buck-boost configurations

2.6

2.8

UVLOL

Undervoltage lockout

threshold (VSTORE

decreasing)

22.1

MPPT

TTRACKING

MPPT tracking period

BATT_CHG low

TSAMPLE

MPPT sampling time

BATT_CHG high

0.3

0.5

VMPP

MPP pin voltage range

Boost and buck-boost configurations

0.075

VUVP

MPPACC

MPP tracking accuracy

Boost and buck-boost configurations

LDO

VLDO1,2

LDO1,2 adjusted output

voltage

LDO1_EN = 1

1.8

LDO2_EN = 1

3.3

VLDO1,2

LDO1 dropout

VUVP + 200 mV < VBATT  5.3 V

ILDO1 = 100 mA

0.5

LDO2 dropout

3.3 < VUVP + 200 mV < VBATT  5.3 V

ILDO2 = 100 mA

0.5

tLDO

LDO1,2 startup time

BATT_DIS low

CLDO1,2 = 100 nF

1ms

ILDO1(1)

IOUT max from LDO1

200

Table 4. Electrical characteristics (continued)

Symbol

Parameter

Test condition

Min.

Typ.

Max. Unit

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