MAX8751 データシートの表示（PDF） - Maxim Integrated

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MAX8751

Fixed-Frequency, Full-Bridge CCFL Inverter Controller

Maxim Integrated 

Fixed-Frequency, Full-Bridge CCFL

Inverter Controller

Typical Operating Characteristics (continued)

(Circuit of Figure 1. VIN = 12V, TA = +25°C, unless otherwise noted.)

VCC vs. TEMPERATURE

5.40

VIN = 12V

NOT SWITCHING

5.38

5.36

5.34

5.32

5.30

0

4

8

12

16

20

TEMPERATURE (°C)

DPWM PHASE SHIFT (90°)

MAX8751 toc16

A

B

2ms/div

A: MASTER DPWM, 5V/div

B: SLAVE DPWM, 5V/div

SWITCHING FREQUENCY

PHASE SHIFT (90°)

MAX8751 toc17

A

B

4µs/div

A: MASTER PSCK, 5V/div

B: SLAVE PSCK, 5V/div

LF SYNCHRONIZATION

MAX8751 toc18

A

B

HF SYNCHRONIZATION

MAX8751 toc19

A

B

C

2ms/div

A: LSYNC, 5V/div

B: COMP, 500mV/div

A: HSYNC, 5V/div

B: HFCIC, 5V/div

C: IFB, 2V/div

4µs/div

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