Rainbow-electronics MAX8982X Uživatelský manuál stáhnout pdf (Strana 15)

Power-Management ICs for

ICERA E400/E450 Platform

MAX8982A/MAX8982X

OUT6 (LDO6) ELECTRICAL CHARACTERISTICS

(MAX8982A: V

DDB

= +3.2V and C

VDD_

= 10FF, MAX8982X: V

DDB

= +3.3V and C

VDD_

= 20FF, C

REFBP

= 0.1FF, C

UT6

= 1FF,

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

= +25NC.) (Note 3)

VSIM (LDO7) ELECTRICAL CHARACTERISTICS

(MAX8982A: V

DDB

= +3.2V and C

VDD_

= 10FF, MAX8982X: V

DDB

= +3.3V and C

VDD_

= 20FF, C

REFBP

= 0.1FF, C

= 1FF,

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

= +25NC.) (Note 3)

PARAMETER CONDITION MIN TYP MAX UNITS

Default Output Voltage I

LOAD

= 50mA 2.619 2.70 2.781 V

Maximum Output Current 150 mA

Current Limit (Note 4) V

OUT6

= 90% of its regulation 165 360 650 mA

Dropout Voltage (Note 4) I

LOAD

= 100mA, T

= +85NC 150 300 mV

Line Regulation 2.90V P V

DDB

P 3.65V, I

LOAD

= 100mA 2.2 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

PARAMETER CONDITION MIN TYP MAX UNITS

Output Voltage

50FA < I

LOAD

< 20mA, 1.8V mode 1.746 1.80 1.854

50FA < I

LOAD

< 20mA, 3.0V mode (default) 2.91 3.00 3.09

Maximum Output Current 2.9V P V

DDB

P 3.65V, 1.8V mode 150 mA

Current Limit (Note 4) V

VSIM

= 90% of 1.8V mode 165 360 650 mA

Dropout Voltage (Note 4) I

LOAD

= 20mA, 3V mode 120 200 mV

Line Regulation 2.9V P V

DDB

P 3.65V, I

LOAD

= 50FA (1.8V mode) 0.1 mV

Load Regulation 50FA < I

LOAD

< 20mA (1.8V mode) 25 mV

Power-Supply Rejection f = 10kHz, I

LOAD

= 10mA 57 dB

Output Noise Voltage 100Hz to 100kHz, I

LOAD

= 10mA 80 FV

VSIM Discharge Resistance

(Active Discharge Resistance)

C programmable, default off 100

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 72 73

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