PAM2842

Document number: DSxxxxx Rev. 1 - 2

4 of 17

www.diodes.com

October 2012

© Diodes Incorporated

PAM2842

A Product Line of

Diodes Incorporated

These are stress ratings only and functional operation is not implied. Exposure to absolute maximum ratings for prolonged time periods may

affect device reliability. All voltages are with respect to ground.

Parameter

Rating

Unit

Supply Voltage

40

V

Buck Application Maximum Output Current

3

A

I/O Pin Voltage Range

V

Maximum Junction Temperature

150

°C

Storage Temperature

-40 to +150

Soldering Temperature

300, 5sec

Parameter

Rating

Unit

Supply Voltage Range

5.5 to 40

V

Operation Temperature Range

-40 to +85

°C

Junction Temperature Range

-40 to +125

Thermal Information

Parameter

Package

Symbol

Max

Unit

Thermal Resistance (Junction to Case)

TSSOP-20

20

°C/W

QFN6x6-40

7.6 (Note 1)

Thermal Resistance (Junction to Ambient)

TSSOP-20

90

QFN6x6-40

18.1 (Note 1)

Note:

1. The exposed PAD must be soldered to a thermal land on the PCB.

Parameter

Test Conditions

Min

Typ

Max

Units

Input Voltage Range

5.5

40

V

Quiescent Current

E NA = high (no switching frequency)

1

2

mA

E NA = high (1M switching frequency)

6

mA

E NA = high (500k switching frequency)

3

mA

E NA = high (200k switching frequency)

1.6

mA

E NA = low

5

10

µA

Feedback Voltage, Low Side

95

100

105

mV

Feedback Voltage, High Side

95

100

105

mV

LED Current Line Regulation

0.02

%/V

LED Current Load Regulation

1.0

%

VDD_DR UVLO Hysteresis

No Switching

200

mV