MAX17117ETJ+ datasheet(7/22 Pages) MAXIM

Part #	MAX17117ETJ+

Description	Internal-Switch Boost Regulator with Integrated 7-Channel Scan Driver, Op Amp, and LDO

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Manufacturer	MAXIM [Maxim Integrated Products]

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Internal-Switch Boost Regulator with Integrated

7-Channel Scan Driver, Op Amp, and LDO

_______________________________________________________________________________________ 7

Typical Operating Characteristics

(TA = +25°C, unless otherwise noted.)

STEP-UP REGULATOR EFFICIENCY

vs. LOAD CURRENT

LOAD CURRENT (mA)

100

10

50

60

70

80

90

100

40

1

1000

VIN = 5.0V

VIN = 3.0V

VIN = 2.3V

VMAIN = 8.5V

STEP-UP REGULATOR LINE REGULATION

vs. INPUT VOLTAGE

IN VOLTAGE (V)

5.1

4.7

4.3

3.9

3.5

3.1

2.7

0.05

0.10

IMAIN = 200mA

IMAIN = 0mA

0.15

0.20

0.25

0

2.3

5.5

LOAD CURRENT (mA)

100

10

1

1000

STEP-UP REGULATOR OUTPUT LOAD

REGULATION vs. LOAD CURRENT

-0.40

-0.30

-0.20

-0.10

0

0.10

-0.50

VIN = 5.0V

VIN = 2.3V

VIN = 3.0V

STEP-UP CONVERTER PEAK INDUCTOR

CURRENT LIMIT vs. RENA

RENA (kI)

200

150

100

50

1.0

1.5

VIN = 3.3V

VMAIN = 8.5V

VLDO = 2.5V

L1 = 10µH

2.0

2.5

3.0

0.5

0

250

STEP-UP REGULATOR LOAD-TRANSIENT

RESPONSE (20mA TO 300mA)

MAX17117 toc05

INDUCTOR

CURRENT

1A/div

VMAIN

(AC-COUPLED)

200mV/div

IMAIN

200mA/div

20mA

L1 = 10µH

RCOMP = 56.2kI

CCOMP = 1000pF

VLX

10V/div

0V

0A

100µs/div

STEP-UP REGULATOR PULSED

LOAD-TRANSIENT RESPONSE (20mA TO 1A)

MAX17117 toc06

INDUCTOR

CURRENT

500mA/div

VMAIN

(AC-COUPLED)

100mV/div

IMAIN

1A/div

20mA

L1 = 10µH

RCOMP = 56.2kI

CCOMP = 1000pF

VLX

10V/div

0V

0A

10µs/div

LOAD CURRENT (mA)

100

10

1

1000

LDO OUTPUT LOAD REGULATION

vs. LOAD CURRENT

-0.40

-0.30

-0.20

-0.10

0

0.10

-0.50

VIN = 3.0V

VIN = 5.0V

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MAX17117ETJ+ Datasheet(PDF) 7 Page - Maxim Integrated Products

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