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RFsemi

RLD1203 Datasheet Preview

RLD1203 Datasheet

Linear Type LED Drive IC

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Features
l Current source for LED lamp
l Adjustable constant current up to 400mA
l Suitable for high LED lamp
l Negative temperature coefficient
Applications
l MR16 type LED lamp
l Universal constant current source
General Description
RLD1203 is a LED drive IC for driving LED
lamp of operating current ranges from 100mA
up to 400mA. The output current level is
adjustable via an external current adjust
resistor. The NTC (Negative Temperature
Coefficient) characteristic of the control block
ensures stable operation of LED lamps under
over voltage and over temperature. RLD1203
offers the competitive solution for drive LED
lamps with a robust long lifetime and cost
effectiveness.
RLD1203
Linear Type LED Drive IC
Package Type : P-6020G
21
Heat
Sink
345
[Top view]
[Bottom view]
Schematic & PIN Configuration
Pin 3
Pin 4
Control Block
Pin 2 1)
Pin 5
Pin 1
1 : ADJ 2 : OUT 3,4 : Drain 5 : GND
1) Heat sink connected to pin 2
Free Datasheet http://www.datasheet-pdf.com/




RFsemi

RLD1203 Datasheet Preview

RLD1203 Datasheet

Linear Type LED Drive IC

No Preview Available !

RLD1203
Absolute Maximum Ratings at TA = 25 oC
Parameter
Symbol
Ratings
Unit
Drain Voltage
VDD 16
V
Output Voltage
VOUT
16
V
Output Current
IOUT 400
Power Dissipation*1)
PD
2.0
Operating Temperature
TOP
-40 ~ 85
Junction Temperature
TJ
150
Storage Temperature
TSTG
-65 ~ 150
*1) Output voltage and output current should be determined by considering the Power Dissipation Rating
mA
W
°C
°C
°C
Classification
VADJ
Class A
0.95 ~ 1.10
VDD, VOUT=10V, RADJ=open, TA= 25 °C
Class B
Unit
1.05 ~1.20
V
Electrical Characteristics
Parameter
Symbol
Conditions
Drain Voltage
VD
RADJ = 1.6 W, VDD=10V, VOUT=2.5V
Output Current
(Class A)
IOUT RADJ = 2.2 W, VDD=10V, VOUT=2.5V
RADJ = 4.0 W, VDD=10V, VOUT=2.5V
RADJ = 8.2 W, VDD=10V, VOUT=2.5V
RADJ = 1.8 W, VDD=10V, VOUT=2.5V
Output Current
(Class B)
IOUT RADJ = 2.4 W, VDD=10V, VOUT=2.5V
RADJ = 4.4 W, VDD=10V, VOUT=2.5V
RADJ = 9.0 W, VDD=10V, VOUT=2.5V
*2) Device mounted on 2oz copper heat sink on FR4
Test circuit
Min.
9
300mm2 Heat sink*2), TA= 25 °C
Typ. Max.
Unit
16
400
300
200
100
400
300
200
100
V
mA
mA
mA
mA
mA
mA
mA
mA
Pin 3
Pin 4
Control Block
Pin 5
VDD
Pin 2
Pin 1
RADJ
VOUT
Free Datasheet http://www.datasheet-pdf.com/


Part Number RLD1203
Description Linear Type LED Drive IC
Maker RFsemi
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