PAM2863 Datasheet, PDF (4/11 Pages) Diodes Incorporated – 2A LED DRIVER with INTERNAL SWITCH

A Product Line of
Diodes Incorporated
PAM2863
Thermal Information
Parameter
Thermal Resistance (Junction to Ambient)
Thermal Resistance (Junction to Case)
Package
SOP-8(EP)
SOP-8(EP)
Symbol
θ_JA
θ_JC
Max
90
11
Unit
°C/W
Electrical Characteristics (@T_A = +25°C, V_IN = 16V, unless otherwise specified.)
Parameter
Inout Voltage
Output Current
Shutdown Current
Quiescent Current without Switching
Mean Current Sense Threshold Voltage
Sense Threshold Hysteresis
ISENSE Pin Input Current
VSET Range on VSET Pin
DC Voltage on VSET Pin to Enable
DC Voltage on VSET Pin to Disable
LX Switch on Resistance
LX Switch Leakage Current
Soft-Start Time
Operating Frequency
Recommended Minimum Switch ON Time
Recommended Maximum Switch Frequency
Max Duty Circle
Recommended Duty Cycle Range
Internal Comparator Propagation Delay
Over Temperature Protection
Temp Protection Hysteresis
Current Limit
Symbol
V_IN
I_LED
I_SD
I_Q
V_SENSE
V_{SENSE_HYS}
I_SENSE
V_EN
V_EN(ON)
V_EN(OFF)
R_LX
I_LX(LEAK)
T_SS
F_LX
T_{ON_REC}
F_LX(MAX)
Test Conditions
R_S = 0.1Ω
R_S = 0.05Ω
VSET Pin Grounded
VSET Pin Floating, V_IN = 16V
Measured on I_SENSE Pin with
Respect to V_IN
V_SENSE = V_IN -0.1
For DC Dimming
V_EN Rising
V_EN Falling
@I_LX = 100mA
V_IN = 16V, C_EN = 1nF
V_IN = 16V, V_O = 9.6V (3 LEDs),
L = 47µH, ΔI = 0.25A (I_LED = 1A)
For 4% Accuracy
D_LX
T_PD (Note 1)
T_OTP
T_{OTP_HYS}
I_XL(MAX)
Peak Inductor Current
Note:
1. V_SENSE: LevelA: 95mV to 100mV; level B: 100mV to 105mV
Parameters are not tested at production, but guaranteed by design.
Min
Typ
Max Units
4.5
40
V
1
A
2
A
20
40
µA
0.6
mA
95
100
105
mV
±13
%
8
µA
0.3
2.5
V
0.25
V
0.2
V
0.3
Ω
5
µA
1.5
Ms
233
kHz
500
Ns
1.0 MHz
98
%
25
75
%
45
Ns
150
°C
40
°C
2.5
A
PAM2863
Document number: DSxxxxx Rev. 1 - 0
4 of 11
www.diodes.com
October 2012
© Diodes Incorporated