Samsung RL37Lx Manual do Utilizador descarregar pdf (Página 12)

Confidential MAX8698C, Rev08

Page 12/47

DO NOT COPY. DO NOT DISTRIBUTE 12/8/2009

PARAMETER CONDITIONS MIN TYP MAX UNITS

Load regulation 50µA < I

LDO2

< 10mA 0.5 mV

Ground current (Note1) I

LDO2

=500µA 6 µA

Output Noise Voltage (RMS)

100Hz-100kHz, CLDO2=1uF,

LDO1

=10mA

80 uV

RMS

Output capacitor for stable

operation (Note1)

0μA < I

LDO2

< 30mA

MAX ESR = 100mΩ

0.7 1.0 µF

Start up time from

shutdown(Note1)

LDO2

= 1µF, I

LDO2

= 30mA 40 100 µs

Shutdown Output Resistance

I2C programmable.

See the Register

LDO2_ADISCHG= “1”

1000 Ω

Note1. Design guidance only, not tested during final test.

LDO3 Electrical Characteristics

Operating conditions (unless otherwise specified) V

IN1

to V

IN6

+3.7V, C

BATT+ΣIN_

=20μF, C

REFBP

= 100nF, T

=-40°

C to +85°C

PARAMETER CONDITIONS MIN TYP MAX UNITS

Input voltage range

2.7 5.5 V

Default output voltage LDO3

1mA@ V

IN4

+5.5V

30mA@ V

IN4

3.4V

-3% 1.2

+3% V

Programmable Output Voltage I

LDO3

= 15mA -3%

0.80

0.85

0.90

0.95

1.00

1.05

1.10

1.15

1.20

1.25

1.30

+3% V

Output current 50 mA

Current limit LDO3 short to GND 65 mA

Line regulation

3.4V≤V

IN4

≤5.5V, I

LDO3

=15mA

0.5 mV

Load regulation 50µA < I

LDO3

< 50mA 1 mV

Ground current (Note1) I

LDO3

=500µA 6 µA

Output capacitor for stable

operation (Note1)

0μA < I

LDO3

< 50mA

MAX ESR = 100mΩ

0.7 1.0 µF

Start up time from

shutdown(Note1)

LDO3

= 1µF, I

LDO3

= 30mA 40 100 µs

Shutdown Output Resistance

I2C programmable. See the Register

LDO3_ADISCHG= “1”

1000 Ω

Note1. Design guidance only, not tested during final test.

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