Samsung RL37Lx Manuale Utente Scaricare il pdf (Pagina 19)

Confidential MAX8698C, Rev08

Page 19/47

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

PARAMETER CONDITIONS MIN TYP MAX UNITS

Power Supply Reject

ΔLDO9/ΔV

IN6

f=10Hz-10kHz,

LDO9

= 2.2µF,I

LDO9

=30mA

60 dB

Output Noise Volt. (RMS)

100Hz-100kHz, C

LDO9

= 2.2µF,

LDO9

=30mA

80 µV

RMS

Shutdown Output Resistance

I2C programmable. See the Register

LDO9_ADISCHG= “1”

1000 Ω

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

Backup Battery Charger Electrical Characteristics – VCC_COIN

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

Default output voltage

VCC_COIN

Iload=1μA

-3% 3.2 +3% V

Programmable output voltage

range

Iload=1μA

-3%

2.9

3.0

3.1

3.2

3.3

+3%

Constant Current Limit V

COIN

short to GND 200 uA

Internal Series Resistor 1

kΩ

Reverse Leakage current from

Output

IN5

=0V,V

COIN

=3.2V 10 µA

Regulator ground current

Iload=1μA (note1)

5 µA

Note 1: Design guidance only, not tested during final test.

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