LTC3526L-2 datasheet(5/16 Pages) LINER

Part #	LTC3526L-2

Description	500mA 1MHz Synchronous Step-Up DC/DC Converters in 2mm X 2mm DFN

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC3526/LTC3526B

3526bfd

VFB vs Temperature

Start-Up Voltage vs Temperature

Fixed Frequency Switching

Waveform and VOUT Ripple

Burst Mode Waveforms

VOUT and IIN During Soft-Start

Burst Mode Current vs VOUT

TEMPERATURE (°C)

–60

–1.00

–0.75

–0.50

–0.25

0

–20

20

60

100

3526 G13

0.25

0.50

–40

0

40

80

NORMALIZED TO 25°C

–50 –30 –10

10

30

–50

70

90

TEMPERATURE (°C)

0.85

0.90

0.95

3526 G14

0.75

0.70

1.00

0.80

LOAD = 1mA

VOUT (V)

1.5

10.0

9.5

9.0

8.5

8.0

7.5

7.0

3.0

4.0

4.5

3526 G15

2.0

2.5

3.5

5.0

SW PIN

2V/DIV

500ns/DIV

VIN = 1.2V

VOUT = 3.3V AT 100mA

COUT = 10µF

3526 G16

VOUT

10mV/DIV

AC-COUPLED

SW PIN

2V/DIV

INDUCTOR

CURRENT

0.2A/DIV

10µs/DIV

VIN = 1.2V

VOUT = 3.3V

COUT = 10µF

3526 G17

VOUT

20mV/DIV

AC-COUPLED

SHDN PIN

1V/DIV

INPUT

CURRENT

0.2A/DIV

200μs/DIV

VOUT = 3.3V

COUT = 10μF

3526 G18

VOUT

1V/DIV

LOAD

CURRENT

50mA/DIV

100µs/DIV

VIN = 3.6V

VOUT = 5V

20mA TO 170mA STEP

COUT = 10µF

3526 G19

VOUT

100mV/DIV

AC-COUPLED

Load Step Response

(Fixed Frequency)

LOAD

CURRENT

50mA/DIV

100µs/DIV

VIN = 3.6V

VOUT = 5V

50mA TO 150mA STEP

COUT = 10µF

3526 G20

VOUT

100mV/DIV

AC-COUPLED

Typical perFormance characTerisTics

Load Step Response (from Burst

Mode Operation)

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LTC3526L-2 Datasheet(PDF) 5 Page - Linear Technology

LTC3526L-2 Datasheet(HTML) 5 Page - Linear Technology

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