MP3205 – 1.3 MHz FIXED FREQUENCY 5 WHITE LED DRIVER

MP3205 Rev. 1.3

www.MonolithicPower.com

2

7/13/2005

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2005 MPS. All Rights Reserved.

TM

PACKAGE REFERENCE

Part Number*

Package

Temperature

MP3205DJ

TSOT23-5

–40

°C to +85°C

For Lead Free, add suffix –LF (eg. MP3205DJ –LF–Z)

SW............................................... –0.5V to +28V

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

Storage Temperature ..............–55

°C to +150°C

Recommended Operating Conditions

(2)

IN Supply Voltage.............................. 2.5V to 6V

Operating Temperature .............–40

°C to +85°C

Thermal Resistance

(3)

TSOT23-5.............................. 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 conditions.

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

ELECTRICAL CHARACTERISTICS

Parameter

Symbol Condition

Min

Typ

Max

Units

Using Parameter Set Heading

Operating Input Voltage

2.5

6

V

Supply Current (Shutdown)

0.1

1

µA

Supply Current (Quiescent)

690

750

µA

Switching Frequency

1.0

1.3

1.5

MHz

Maximum Duty Cycle

85

92

%

Undervoltage Lockout

IN Under Voltage Lockout

UVLO

2.25

2.45

V

Under Voltage Lockout

Hysteresis

92

mV

Enable

EN Threshold

1.0

1.35

1.6

V

EN Threshold

0.8

V

EN Hysteresis

90

mV

EN Input Bias Current

1

µA

Feedback

FB Voltage

94

104

114

mV

FB Input Bias Current

–600

–300

nA

Output Switch

SW On-Resistance

(4)

0.5

Ω

SW Current Limit

Duty Cycle = 60%

350

mA

Thermal Shutdown

(4)

160

°C

Note:

4) Guaranteed by design.

SW

GND

FB

1

2

3

5

4

IN

EN

MP3205-PD01_TSOT23

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