Diodes PAM2841 - Manual (Page 4)

PAM2841
Document number: DSxxxxx Rev. 1 - 5
4 of 16
www.diodes.com
September 2013
© Diodes Incorporated
PAM2841
A Product Line of
Diodes Incorporated
Electrical Characteristics
(@T
A
= +25°C, V
EN
= V
DD
=5.0V, 10 LEDs, unless otherwise specified.)
Parameter Symbol Test Conditions Min Typ Max Units
Supply Voltae Range V
DD
2.7 5.5 V
Quiescent Current I
Q
No Switching 200 300 µA
Shutdown Current I
SD
V
ENA
= low 1 µA
Output Current I
O
R3 = 5.1Ω 40
mA
R3 = 6.8Ω 30
R3 = 10Ω 20
R3 = 20Ω 10
Output Voltage Range V
O
V
IN
x
1.1
40 V
Feedback Voltage V
FB
V
ENA
= high 194 200 206 mV
SW On-Resistance R
DS(ON)
I
SW
= 100mA 0.35 0.5 Ω
SW Current Limit I
LIM
Switch On 1.5 A
SW Frequency f
SW
0.7 1.0 1.3 MHz
Maximum Duty Cycle DC 95 %
Over Voltage Protection Threshold OVP Open Load 1.2 V
Enable Threshold Voltage
V
EL
Chip Shutdown 0.4
V
V
EH
Chip On 1.2
Under Voltage Lockout UVLO V
IN
falling 2.0 2.2 2.4 V
UVLO Hysterisis V
TH
0.2 V
Over Temperature Shutdown OTS 150 °C
Over Temperature Hysterisis OTH 30 °C