PAM2842 Datasheet, PDF (4/17 Pages) Power Analog Micoelectronics – High Power LED Driver

A Product Line of
Diodes Incorporated
PAM2842
Absolute Maximum Ratings (@T_A = +25°C, unless otherwise specified.)
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
GND -0.3 to V_DD +0.3
V
Maximum Junction Temperature
150
Storage Temperature
-40 to +150
°C
Soldering Temperature
300, 5sec
Recommended Operating Conditions (@T_A = +25°C, unless otherwise specified.)
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
TSSOP-20
Thermal Resistance (Junction to Case)
θ_JC
QFN6x6-40
TSSOP-20
Thermal Resistance (Junction to Ambient)
θ_JA
QFN6x6-40
Note:
1. The exposed PAD must be soldered to a thermal land on the PCB.
Max
20
7.6 (Note 1)
90
18.1 (Note 1)
Unit
°C/W
Electrical Characteristics (@T_A = +25°C, V_EN = V_DD = 24V, 1W x 10 LEDs, unless otherwise specified.)
Parameter
Input Voltage Range
Quiescent Current
Feedback Voltage, Low Side
Feedback Voltage, High Side
LED Current Line Regulation
LED Current Load Regulation
VDD_DR UVLO Hysteresis
Test Conditions
Min
Typ
Max
5.5
40
E NA = high (no switching frequency)
1
2
E NA = high (1M switching frequency)
6
E NA = high (500k switching frequency)
3
E NA = high (200k switching frequency)
1.6
E NA = low
5
10
V_FB = V_SENSE+ -AGND, V_SENSE- = AGND
95
100
105
V_FB = V_SENSE+ – V_SENSE-
95
100
105
I_O = 350mA
0.02
1.0
No Switching
200
Units
V
mA
mA
mA
mA
µA
mV
mV
%/V
%
mV
PAM2842
Document number: DSxxxxx Rev. 1 - 2
4 of 17
www.diodes.com
October 2012
© Diodes Incorporated