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Out3 (ldo3) electrical characteristics, Out2 (ldo2) electrical characteristics (continued) – Rainbow Electronics MAX8982X User Manual

Page 13

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Power-Management ICs for

ICERA E400/E450 Platform

MAX8982A/MAX8982X

13

OUT2 (LDO2) ELECTRICAL CHARACTERISTICS (continued)

(MAX8982A: V

DDA

= +3.2V and C

VDD_

= 10FF, MAX8982X: V

DDA

= +3.3V and C

VDD_

= 20FF, C

REFBP

= 0.1FF, C

OUT2

= 1FF,

T

A

= -40NC to +85NC, unless otherwise noted. Typical values are at T

A

= +25NC.) (Note 3)

OUT3 (LDO3) ELECTRICAL CHARACTERISTICS

(MAX8982A: V

DDB

= +3.2V and C

VDD_

= 10FF, MAX8982X: V

DDB

= +3.3V and C

VDD_

= 20FF, CR

EFBP

= 0.1FF, C

OUT3

= 1FF,

T

A

= -40NC to +85NC, unless otherwise noted. Typical values are at T

A

= +25NC.) (Note 3)

PARAMETER

CONDITION

MIN

TYP

MAX

UNITS

Programmable Output Voltages

I

LOAD

= 50mA

1.50

V

1.80
2.70
1.70

Startup Time from Shutdown
(Note 4)

I

LOAD

= 150mA

40

100

F

s

Startup Transient Overshoot
(Note 4)

I

LOAD

= 150mA

3

50

mV

Shutdown Output Impedance
(Active Discharge Resistance)

I

2

C programmable, default off

100

I

PARAMETER

CONDITION

MIN

TYP

MAX

UNITS

Default Output Voltage

I

LOAD

= 50mA

2.716

2.800

2.884

V

Maximum Output Current

150

mA

Current Limit (Note 4)

V

OUT3

= 90% of its regulation

165

360

650

mA

Dropout Voltage

I

LOAD

= 100mA, T

A

= +85NC

150

300

mV

Line Regulation

3.2V P V

DDB

P 3.65V, I

LOAD

= 100mA

2.4

mV

Load Regulation

50FA < I

LOAD

< 150mA

25

mV

Power-Supply Rejection
D

V

OUT

/DV

IN

f = 10Hz to 10kHz, I

LOAD

= 30mA

60

dB

Output Noise Voltage

100Hz to 100kHz, I

LOAD

= 30mA

45

F

V

RMS

Programmable Output Voltage

I

LOAD

= 50mA

2.65

V

2.70
2.75
2.80
2.85
2.90
2.95
3.00

Startup Time from Shutdown
(Note 4)

I

LOAD

= 150mA

100

F

s

Startup Transient Overshoot
(Note 4)

I

LOAD

= 150mA

50

mV

Shutdown Output Impedance
(Active Discharge Resistance)

I

2

C programmable, default off

100

I