STPMIC25APQR datasheet(13/145 Pages) STMICROELECTRONICS

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3.4.4

LDO2, LDO5, LDO6, LDO7

Table 10. Electrical and timing parameter specifications (LDO2/5/6/7)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

LDO2, LDO5, LDO6, LDO7 (normal mode)

VLDOIN

Main input voltage range

2.8

5.5

VLDOOUT

Output voltage

VLDOIN > VLDOOUT+VLDODROP

Programmable value.

0.9 to 4.0

Voltage programming step

100

VLDOOUT-ACC Output voltage accuracy

VLDOIN = 3.6 V or 5.0 V

1.7 V < VLDOOUT < 3.3 V

100 µA < ILDOOUT < 350 mA

-2

ILDOLIM

Output current limitation

2.8 V < VLDOIN < 5.5 V

ILDOLIM programmable in NVM_LDOS_IOUT_SHR

Ref. Table 1 NVM setting A and B versions

100

200

400

150

300

600

ILDOxxQ

Total quiescent current

ILDOOUT = 0 mA, VLDOIN = 5 V

Measured from the related common input pin,

LDOxxIN

µA

ILDOxxIN_LKG Input leakage current

LDOx output disabled

Measured from the related common input pin,

LDOxxIN

VLDODROP

Dropout voltage

VLDOOUT = 2.9 V, ILDOOUT = 350 mA

180

300

VLDOOUT-LO

Load transient regulation

ILDOOUT = 1 mA to 180 mA, tR = tF = 1 µs

VLDOOUT-LI

Line transient regulation

VLDOIN = 3.0 V to 3.6 V, tR = tF = 10 μs

PSRRLDO

Power supply rejection ratio

ΔVLDOIN = 300 mVPP, f = [0.1:20] kHz, Tj = 25 °C,

ILDOOUT = 200 mA

ΔVLDOIN = 300 mVPP, f = [20:100] kHz, Tj = 25 °C,

ILDOOUT = 200 mA

tSSLDO

Soft-start duration

2.8 V < VLDOIN < 5.5 V, 0 < ILDOOUT < 1 mA

COUT = 4.7 µF, VLDOOUT = 1.2 V

160

µs

VLDOOUT-SO Startup overshoot

2.8 V < VLDOIN < 5.5 V, 1.7 V < VLDOOUT < 3.3 V

ILDOOUT < 10 µA

tSDLDO

Shutdown duration

Pull-down enabled, VLDOOUT = from 3.3 V to 0.2 V,

ILDOOUT = no load

1.5

LDO2, LDO5, LDO6, LDO7 (bypass mode)

VLDOIN-BP

Main input voltage range

2.8

5.5

RDSONLDO-BP Bypass on resistance

2.8 V < VLDOIN < 5.5 V

290

mΩ

ILDOLIM-BP

Output current limitation (1)

Note: use the same range than in normal mode.

Programmable value

200

400

300

600

tSSLDO-BP

Soft-start duration

2.8 V < VLDOIN < 5.5 V, 0 < ILDOOUT < 1 mA

COUT = 4.7 µF, ILDOLIM = 400 mA,

120

µs

STPMIC25

Electrical and timing characteristics

DS14278 - Rev 3

page 13/145

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