LTC3526L/LTC3526LB

2

3526lfb

SW Voltage

DC............................................................ –0.3V to 6V

Pulsed <100ns......................................... –0.3V to 7V

⎯S⎯H⎯D⎯N, FB Voltage ........................................ –0.3V to 6V

Operating Temperature Range

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

Storage Temperature Range................... –65°C to 150°C

(Note 1)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Minimum Start-Up Input Voltage

0.68

0.8

V

Input Voltage Range

After Start-Up. (Minimum Voltage is Load Dependent)

●

0.5

5

V

Output Voltage Adjust Range

●

1.5

5.25

V

Feedback Pin Voltage

●

1.165

1.195

1.225

V

Feedback Pin Input Current

1

50

nA

Quiescent Current—Shutdown

0.01

1

μA

Quiescent Current—Active

250

500

μA

Quiescent Current—Burst

9

18

μA

N-Channel MOSFET Switch Leakage Current

0.1

5

μA

P-Channel MOSFET Switch Leakage Current

0.1

10

μA

N-Channel MOSFET Switch On Resistance

0.4

Ω

P-Channel MOSFET Switch On Resistance

0.6

Ω

N-Channel MOSFET Current Limit

●

550

750

mA

Current Limit Delay to Output

(Note 3)

60

ns

Maximum Duty Cycle

●

87

90

%

Minimum Duty Cycle

●

0%

Switching Frequency

●

0.75

1

1.25

MHz

⎯S⎯H⎯D⎯N Pin Input High Voltage

0.8

V

⎯S⎯H⎯D⎯N Pin Input Low Voltage

0.3

V

PIN CONFIGURATION

TOP VIEW

FB

SHDN

SW

GND

DC PACKAGE

6-LEAD (2mm × 2mm) PLASTIC DFN

7

1

2

3

6

5

4

EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PC BOARD

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3526LEDC#PBF

LTC3526LBEDC#PBF

LTC3526LEDC#TRPBF

LTC3526LBEDC#TRPBF

LCSS

LCST

6-Lead (2mm × 2mm) Plastic DFN

6-Lead (2mm × 2mm) Plastic DFN

–40°C to 85°C

–40°C to 85°C

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/

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS