Rainbow-electronics MAX8982X Bedienungsanleitung PDF herunterladen (Seite 13)

Power-Management ICs for

ICERA E400/E450 Platform

MAX8982A/MAX8982X

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,

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

= +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, C

EFBP

= 0.1FF, C

OUT3

= 1FF,

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

= +25NC.) (Note 3)

PARAMETER CONDITION MIN TYP MAX UNITS

Programmable Output Voltages I

LOAD

= 50mA

1.50

1.80

2.70

1.70

Startup Time from Shutdown

(Note 4)

LOAD

= 150mA 40 100 Fs

Startup Transient Overshoot

(Note 4)

LOAD

= 150mA 3 50 mV

Shutdown Output Impedance

(Active Discharge Resistance)

C programmable, default off 100

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

= +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

OUT

/DV

f = 10Hz to 10kHz, I

LOAD

= 30mA 60 dB

Output Noise Voltage 100Hz to 100kHz, I

LOAD

= 30mA 45 FV

RMS

Programmable Output Voltage I

LOAD

= 50mA

2.65

2.70

2.75

2.80

2.85

2.90

2.95

3.00

Startup Time from Shutdown

(Note 4)

LOAD

= 150mA 100 Fs

Startup Transient Overshoot

(Note 4)

LOAD

= 150mA 50 mV

Shutdown Output Impedance

(Active Discharge Resistance)

C programmable, default off 100

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 72 73

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