MAX8727 查看數據表（PDF） - Maxim Integrated

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MAX8727

TFT-LCD Step-Up DC-DC Converter

Maxim Integrated 

TFT-LCD Step-Up DC-DC Converter

Typical Operating Characteristics (continued)

(Circuit of Figure 1. VIN = 5V, VMAIN = 15V, TA = +25°C unless otherwise noted.)

SOFT-START

(RLOAD = 30Ω)

MAX8727 toc07

1ms/div

VOUT

5V/div

OV

INDUCTOR

CURRENT

1A/div

OA

LOAD-TRANSIENT RESPONSE

(ILOAD = 50mA TO 550mA)

MAX8727 toc08

15V

VOUT

5mV/div

AC-COUPLED

IOUT

500mA/div

50mA

INDUCTOR

CURRENT

1A/div

OA

1μs/div

PULSED LOAD-TRANSIENT RESPONSE

(ILOAD = 100mA TO 1.1A)

MAX8727 toc09

15V

VOUT

5mV/div

AC-COUPLED

IOUT

1A/div

0.1A

INDUCTOR

CURRENT

1A/div

OA

1μs/div

SWITCHING WAVEFORMS

(ILOAD = 600mA)

MAX8727 toc10

LX

10V/div

OV

1μs/div

INDUCTOR

CURRENT

1A/div

OA

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