Rainbow-electronics MAX1729 Manual do Utilizador descarregar pdf (Página 5)

MAX1729

ECB and LCD Display Bias Supply with Accurate

Output Voltage and Temperature Compensation

_______________________________________________________________________________________ 5

5ms/div

DELAY TO SHUTDOWN

CTLIN

5V/div

REF

1V/div

OUT

10V/div

MAX1729 toc 09b

= 5V

= 0.5mA

2µs/div

SWITCHING WAVEFORMS

HEAVY LOAD

20mA/div

OUTPUT

RIPPLE

10mV/div

5V/div

MAX1729 toc 10

2µs/div

SWITCHING WAVEFORMS

MEDIUM LOAD

20mA/div

OUTPUT

RIPPLE

10mV/div

5V/div

MAX1729 toc 11

Typical Operating Characteristics (continued)

(Circuit of Figure 2, T

= +25°C, unless otherwise noted.)

1ms/div

LOAD-TRANSIENT RESPONSE

OUT

20mV/div

OUT

250µA/div

20µA

500µA

16.400

16.404

MAX1729 toc 13

2ms/div

LINE-TRANSIENT RESPONSE

OUT

20mV/div

1V/div

MAX1729 toc 14

CTLIN = IN

OUT

= 0.5mA

1 2 3 4 5 6 7 8 9 10 11 12

Maxim Integrated Products 1
ABSOLUTE MAXIMUM RATINGS 2
ELECTRICAL CHARACTERISTICS 2
(Circuit of Figure 2, T 4
Detailed Description 6
Pin Description 6
Design Procedure 7
Component Selection 9
Applications Information 10
Chip Information 10
10LUMAXB.EPS 11

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