Typical operating characteristics (continued) – Rainbow Electronics MAX17075 User Manual

Page 9

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MAX17075

Boost Regulator with Integrated Charge Pumps,

Switch Control, and High-Current Op Amp

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9

OPERATION AMPLIFIER
FREQUENCY RESPONSE

MAX17075 toc16

FREQUENCY (kHz)

GAIN (dB)

1k

10k

-6

-5

-4

-3

-1

-2

0

1

2

-8

-7

100

100k

100pF LOAD

NO LOAD

OPERATIONAL AMPLIFIER RAIL-TO-RAIL

INPUT/OUPUT WAVEFORMS

MAX17075 toc17

2

μs/div

0V

V

POS

5V/div

V

VCOM

5V/div

0V

OPERATIONAL AMPLIFIER

LOAD-TRANSIENT RESPONSE

MAX17075 toc18

2

μs/div

0V

V

VCOM

(AC-COUPLED)
200mV/div

I

VCOM

50mV/div

0A

OPERATIONAL AMPLIFIER

LARGE-SIGNAL STEP RESPONSE

MAX17075 toc19

40

μs/div

0V

0V

V

POS

5V/div

V

VCOM

5V/div

OPERATIONAL AMPLIFIER

SMALL-SIGNAL STEP RESPONSE

MAX17075 toc20

40

μs/div

0mV

0mV

V

POS

(AC-COUPLED)
100mV/div

V

VCOM

(AC-COUPLED)
100mV/div

SUP SUPPLY CURRENT

vs. SUP SUPPLY VOLTAGE

MAX17075 toc22

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (mA)

14

16

8

10

12

3.55

3.65

3.60

3.70

3.75

3.80

3.90

3.85

3.95

4.00

3.50

6

18

NO SWITCHING

HIGH-VOLTAGE SWITCH

CONTROL FUNCTION

MAX17075 toc21

10

μs/div

0V

0V

V

GON

10V/div

V

CTL

5V/div

Typical Operating Characteristics (continued)

(T

A

= +25°C, unless otherwise noted.)

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