MP1541 – 1.3MHz BOOST CONVERTER

MP1541 Rev.1.3

www.MonolithicPower.com

2

3/20/2006

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2006 MPS. All Rights Reserved.

PACKAGE REFERENCE

SW

GND

FB

1

2

3

5

4

IN

EN

MP1541-PD01-TSOT23

TOP VIEW

Part Number*

Package

Temperature

MP1541DJ

TSOT23-5

For Lead Free, add suffix –LF (eg. MP1541DJ–LF–Z)

ABSOLUTE MAXIMUM RATINGS

(1)

SW Pin........................................... –0.3V to 25V

All Other Pins................................ –0.3V to 6.5V

Junction Temperature...............................150°C

Lead Temperature ....................................260°C

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

Recommended Operating Conditions

(2)

Operating Temperature .............–40°C to +85°C

Thermal Resistance

(3)

TSOT25 ................................. 220 .... 110..

°C/W

Notes:

1) Exceeding these ratings may damage the device.

2) The device is not guaranteed to function outside of its

operating range.

3) Measured on approximately 1” square of 1oz. copper.

ELECTRICAL CHARACTERISTICS

Parameters

Symbol

Condition

Min

Typ

Max

Units

Operating Input Voltage

2.5

6

V

Undervoltage Lockout

2.25

2.45

V

Undervoltage Lockout

Hysteresis

92

mV

Supply Current (Shutdown)

0.1

1

µA

Supply Current (Quiescent)

635

850

µA

Switching Frequency

1.0

1.3

1.6

MHz

Maximum Duty Cycle

80

85

%

EN Threshold

1.0

1.3

1.6

V

EN Threshold

1.1

V

EN Hysteresis

100

mV

EN Input Bias Current

1

µA

FB Voltage

1.21

1.25

1.29

V

FB Input Bias Current

–100

–30

nA

SW On-Resistance

(4)

0.65

Ω

SW Current Limit

(4)

1.9

A

SW Leakage

1

µA

Thermal Shutdown

(4)

160

°C

Note:

4) Guaranteed by design.