HA220XXPB 반도체 회로 부품 판매점
High Voltage LED Constant Source IC
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HA2 2 0 XXP Bwww.DataSheet4U.com
High Voltage LED Constant Source IC
General Description
Constant current source IC is a kind of power supply converter with a constant current output.
This constant current source IC is mainly applied to supply power of LEDS in series. When the input
voltage is 220VAC, with red LED, the number of LEDs in series can up to 110. The input voltage is
85-240VAC,output a constant current that the value can be preset by peripheral resistance.
The peripheral circuits is concise, the whole circuits structure is very small in volume wi th no
inductance and transformer, which can be set in LED lamps and lanterns with a small volume.
Features
►Wide input range 85 to 240VAC
►>95% efficiency(Test conditon: With resistance load, between IC two ends)
► Range of output constant current: 10mA to 80mA(Preset by peripheral circuit)
►The number of LEDs series: n≤ 0.9VinDC/VF. n is the number of LEDs in series
single circuit ;VinDC is the voltage of commutate input; VF is forward voltage dr
of each LED
►Precision：± 2.5%；± 5%；± 10%
►Good property of EMC
►Range of Temperature： -40 ℃～ 85 ℃
►Good stability, high performance cost ratio, and the usage perrfomance
parameter won't change in large range working voltage and temperature
►Package: DIP-10
Applications
►LED lighting device
►Electronic display
►Industry lighting facility
►Decorative lighting facility and bulb
►LCD Plane display backlight
►Other LED driver that needn't isolated from power supply
Block Diagram
OUT-
CP RT
IN +
Over Temperature
Protection
Current signal
a d ju stm e n t
Enable control
Create work voltage
Sensitivity setting
EN
RS
OUT +
BC
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GND
Page 01
Typical Applications
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HA220XXPB
High Voltage LED Constant Source IC
FU
L
VinAC
~85-220V
N
Vin DC
6 IN+
7 NC
R1 8 RT
C1 9 CP
10 GND
OUT+
BC
OUT-
RS
EN
5
4 R3 10K
3
2
1
R2
C2 +
1~4.7u/400V
R e ma rk: Th is typ e H ig h p o w e r co n sta n t cu rre n t so u rce o f H A2 2 0 XXPB IC co me s fro m th e o ld typ e H A2 2 0 XXP IC .
Besides current preset resistance R1 and operating resistance R2 number revision, other parameters are
in v a r ia b le .
Typical Temperature Diagram
ILED ( m A )
21
20mA
19
-4 0 -2 0 0 2 0 4 0 6 0 8 0
t°C
Type temperature curve (set current=20mA)
PIN Descroptions
Pin Symbol
1 EN
3 OUT-
5 OUT+
7 NC
9 CP
Definition
Enable port
Negative output
Positive output
No use
Smoothing
Pin Symbol
Definition
2 RS
Start-up resistance
4 BC compensatory resistance
6 IN+
Positive input
8 RT
Regulate current
10 GND
Ground
Explain
1.∑VF≤ 0.9Vin, VF is forward voltage drop of each LED.
2. For the type HA22002PB(20mA)IC the total voltage drop of a LED string more
than 30V is better. That means the number of LEDs in series need more than
16pcs in a loop (the red LED work voltage is 1.8V).For the type HA22004PB(40mA
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HA220XXPB led
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