MAX77178EWC-T Просмотр технического описания (PDF) - Maxim Integrated

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MAX77178EWC-T

High-Bandwidth LTE/WCDMA PA Power Management ICs in a 1.75mm x 1.4mm, 0.4mm Pitch WLP

Maxim Integrated 

MAX77178 / MAX77179

High-Bandwidth LTE/WCDMA PA Power Management ICs

in a 1.75mm x 1.4mm, 0.4mm Pitch WLP

Typical Operating Characteristics (continued)

(Typical Operating Circuits, VIN = 3.7V, IOUT = 0.47μH, COUT = 4.7μF, TA = +25°C, unless otherwise noted.)

LINE REGULATION ERROR

vs. SUPPLY VOLTAGE

100

ERROR = VOUT - 2.5 x VREF

VREF = 0.32V

50

VREF = 0.48V

VREF = 0.72V

OUTPUT VOLTAGE ERROR

vs. REF VOLTAGE

50

0

OUTPUT VOLTAGE ERROR

vs. TEMPERATURE

20

VREF = 0.72V

0

VREF = 0.16V

-20

0

VREF = 0.16V

-50

VREF = 1.12V VREF = 1.28V

VREF = 0.96V

-100

2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5

SUPPLY VOLTAGE (V)

-50

-100

VIN = 3.7V

ERROR = VOUT - 2.5 x VREF

-150

0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5

REF VOLTAGE (V)

ERROR = VOUT - 2.5 x VREF

-40 VIN = 3.7V

-60

-80

-40

VREF = 1.28V

-15 10

35

60

85

TEMPERATURE (°C)

LIGHT LOAD SWITCHING WAVEFORM

MAX77178 toc16

VOUT

AC-COUPLED

20mV/div

2V/div

VLX

0V

20mA LOAD

100mA /div

ILX

0A

2µs/div

HEAVY LOAD SWITCHING WAVEFORM

MAX77178 toc17a

VOUT

AC-COUPLED

10mV/div

VLX

2V/div

0V

ILX

500mA /div

VOUT = 2.5V

500mA LOAD

0A

200ns/div

HEAVY LOAD SWITCHING WAVEFORM

MAX77178 toc17b

VOUT

AC-COUPLED

10mV/div

VLX

2V/div

0V

ILX

500mA /div

VOUT = 3.2V

500mA LOAD 0A

200ns/div

ENABLE WAVEFORM (NO LOAD)

MAX77178 toc18

5V/div

VEN

0V

2V/div

VOUT

0V

VLX

2V/div

0V

VREF = 1.28V

ILX

1A /div

0A

10µs/div

Maxim Integrated

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