LTC3537EUD データシートの表示（PDF） - Linear Technology

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LTC3537EUD

2.2 MHz, 600mA Synchronous Step-Up DC/DC Converter and 100mA LDO

Linear Technology 

LTC3537

ABSOLUTE MAXIMUM RATINGS

(Note 1)

VINB and VINL Voltage................................... –0.3V to 6V

SW DC Voltage............................................. –0.3V to 6V

SW Pulsed (<100ns) Voltage ....................... –0.3V to 7V

FBB, FBL, PGDB, PGDL Voltage ................... –0.3V to 6V

MODE, ENBST, ENLDO Voltage ................... –0.3V to 6V

LBI and LBO Voltage .................................... –0.3V to 6V

VOUTB, VOLDO ............................................... –0.3V to 6V

Operating Temperature (Notes 2, 5)......... –40°C to 85°C

Junction Temperature ........................................... 125°C

Storage Temperature Range................... –65°C to 125°C

PIN CONFIGURATION

TOP VIEW

16 15 14 13

MODE 1

12 VINL

LBI 2

17

11 VOLDO

SGND 3

10 FBL

VINB 4

9 FBB

5678

UD PACKAGE

16-LEAD (3mm × 3mm) PLASTIC QFN

TJMAX = 125°C, θJA = 68°C/W (Note 6)

EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

LTC3537EUD#PBF

LTC3537EUD#TRPBF LDBD

16-Lead (3mm × 3mm) Plastic QFN

Consult LTC Marketing for parts specified with wider operating temperature ranges.

Consult LTC Marketing for information on non-standard lead based finish parts.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/

TEMPERATURE RANGE

–40°C to 85°C

ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VINB = 1.2V, VOUTB = 3.3V, unless otherwise noted.

SYMBOL PARAMETER

CONDITIONS

Boost Converter

VINMIN

VOUTB

VFBB

IFBB

IQSHDN

IQACTIVE

IQBURST

INLEAK

IPLEAK

Minimum Start-Up Voltage

Output Voltage Range

ILOAD = 1mA

Feedback Voltage

Feedback Input Current

Quiescent Current - Shutdown

Quiescent Current - Active

Quiescent Current - Burst

NMOS Switch Leakage Current

PMOS Switch Leakage Current

VENBST = VENLDO = 0V, Not Including SW Leakage,

VOUTB = 0V

Measured on VOUTB, Nonswitching, MODE = 1.2V,

VENLDO = 0V

Measured on VOUTB, FBB >1.24V, MODE = 1.2V,

VENLDO = 0V

VSW = 5V

VSW = 5V, VOUTB = 0V

MIN TYP MAX UNITS

0.68 0.8

V

l 1.5

5.25

V

l 1.179 1.21 1.240

V

1

50

nA

0.02

1

μA

300

500

μA

15

μA

0.1

5

μA

0.1

10

μA

3537fd

2

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