Typical operating characteristics (continued) – Rainbow Electronics MAX17117 User Manual

Page 8

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Internal-Switch Boost Regulator with Integrated

7-Channel Scan Driver, Op Amp, and LDO

MAX17117

8 ______________________________________________________________________________________

Typical Operating Characteristics (continued)

(T

A

= +25°C, unless otherwise noted.)

MAX17117 toc08

IN VOLTAGE (V)

LINE REGULATION (%)

LDO LINE REGULATION

vs. INPUT VOLTAGE

0.03

0.06

0.09

0.12

0.15

0

5.4

5.1

4.8

4.5

4.2

3.9

3.6

3.3

3.0

2.7

I

LDO

= 250mA

I

LDO

= 100mA

POWER-UP SEQUENCE

(CK1 AND ST CONNECTED TO V

LDO

)

MAX17117 toc09

V

VGL

10V/div

V

STH

50V/div

V

CKH1

50V/div

V

VGLC

20V/div

V

IN

5V/div
V

LDO

5V/div

V

MAIN

10V/div

V

GHON

20V/div

0V

0V

0V

0V

0V

0V

0V

0V

40ms/div

OPERATIONAL AMPLIFIER

LOAD-TRANSIENT RESPONSE

MAX17117 toc10

I

VCOM

100mA/div

V

VCOM

(AC-COUPLED)

1V/div

0mV

0mA

2µs/div

OPERATIONAL AMPLIFIER

LARGE-SIGNAL STEP RESPONSE

MAX17117 toc11

V

VCOM

2V/div

V

POS

2V/div

0V

0V

200ns/div

OPERATIONAL AMPLIFIER

SMALL-SIGNAL STEP RESPONSE

MAX17117 toc12

V

VCOM

(AC-COUPLED)

100mV/div

V

POS

(AC-COUPLED)

100mV/div

0mV

0mV

200ns/div

CKH_ OUTPUT WAVEFORMS WITH LOGIC

INPUT AND GATE-SHADING CONTROL

MAX17117 toc13

V

CK1

5V/div
V

CK2

5V/div
V

DTS

2V/div

V

CKH1

20V/div

V

CKH2

20V/div

0V

0V

0V

0V

0V

4µs/div

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