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PDF AP3609 Data sheet ( Hoja de datos )
| Número de pieza | AP3609 | |
| Descripción | EIGHT-CHANNEL CONSTANT CURRENT SINK | |
| Fabricantes | BCD Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AP3609 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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Preliminary Datasheet
EIGHT-CHANNEL CONSTANT CURRENT SINK WITH CURRENT MATCH
General Description
Features
AP3609
The AP3609 is an eight-channel constant current sink
with current match used for LED driver. It uses an
external resistor to set the current for eight LED strings
with an accuracy of ±1.5%. The full scale LED current
can be adjusted from 10mA to 100mA for each chan-
nel. The LED light can be adjusted by PWM dimming
function.
The device can keep working when LED opens with-
out damage. It features under voltage lockout protec-
tion and over temperature protection.
The AP3609 has two interface terminals (FB and
FBX). They enable the device to be connected in paral-
lel.
The AP3609 is available in SOIC-16 package.
· Input Voltage Range: 4.2V to 5.5V
· Typical Output Current: 480mA (60mA/1V per
Channel)
· Maximum Output Current: 800mA (100mA/1.5V
per Channel)
· Current Match Accuracy: ±1.5%
· PWM Dimming Control
· Open LED Self-check and Protection
· Under Voltage Lockout Protection
· Over Temperature Protection
· Enable Parallel Application
Applications
· Notebook
· LCD Display Modules
· LCD Monitor
· LCD TV
May 2013 Rev. 2. 0
SOIC-16
Figure 1. Package Type of AP3609
BCD Semiconductor Manufacturing Limited
1
1 page  
Preliminary Datasheet
EIGHT-CHANNEL CONSTANT CURRENT SINK WITH CURRENT MATCH
Recommended Operating Conditions
AP3609
Parameter
Symbol Min Max Unit
Input Voltage
VCC 4.2 5.5 V
Recommended PWM Dimming Frequency
Full Scale Setting Current per Channel
VCHX≥0.5V
VCHX≥1V
VCHX≥1.5V
Operating Temperature Range
fPWM
ICHX
TA
0.1 25 kHz
10 25
10 65 mA
10 110
-40 85 oC
Electrical Characteristics
Limits in standard typeface are guaranteed for VIN=VEN=5V, RISET=8kΩ,, TA=25oC, unless otherwise specified.
Parameter
Symbol
Conditions
Input Section
Input Voltage
Quiescent Current
Shutdown Quiescent Current
Under Voltage Lockout Threshold
Under Voltage Lockout Hysteresis
Current Sink Section
VIN
IQ No load
ISDB VEN=0V
VUVLO Falling Edge
VHUVLO
ISET Reference Voltage
VISET
Current Multiplication Ratio
K ICHX/ISET
Maximum Output Current per Channel
VCHX=0.5V
ICHX_MAX VCHX=1V
VCHX=1.5V
Current Matching between Any Two Channels
ICH-MATCH
ICHX=60mA
VCHX=1V
Current Sink Saturation Voltage per Channel
Output Current Line Regulation
Output Current Load Regulation
ICHX=20mA
VCHX_SAT ICHX=60mA
ICHX=100mA
VCC=4.2V to 5.5V
VCHX=0.5V to 2.8V
Min
4.2
3.6
1.170
370
23
65
110
-1.5
Typ
0.5
0.1
3.8
200
1.194
400
45
70
120
Max
5.5
1
1
4.0
1.218
430
1.5
0.45
0.8
1.2
2
4
Unit
V
mA
µA
V
mV
V
mA
%
V
%/V
%
May 2013 Rev. 2. 0
BCD Semiconductor Manufacturing Limited
5
5 Page 
Preliminary Datasheet
EIGHT-CHANNEL CONSTANT CURRENT SINK WITH CURRENT MATCH
Mechanical Dimensions
AP3609
SOIC-16
Unit: mm(inch)
D
7°
0.310(0. 012)
0.510(0. 020)
B
D1
7°
0.250(0.010)
A
20:1
0.400(0. 016)
1.270(0. 050)
0°
8°
R 0.070(0. 003)
0. 200(0. 008)
R 0.070(0.003)
0.200(0. 008)
5.800(0. 228)
6.240(0. 246)
3.800(0. 150)
4.040(0. 159)
9.5 °
8°
3°
7°
8°
8°
A
0.150(0. 006) ×45 °
0.400(0. 016)
0.050(0.002)
0.250(0.010)
B
20:1
C 0.200(0.008)
Sφ1.000(0. 039)
Depth 0.200(0.008)
C
0.200(0.008)
0.250(0.010)
C-C
50:1
Note: Eject hole, oriented hole and mold mark is optional.
Symbol
D D1
min(mm) max(mm) min(inch) max(inch) min(mm) max(mm) min(inch) max(inch)
Option1
Option2
1.350
-
1.750
1.260
0.053
-
0.069
0.050
1.250
1.0.20
1.650
-
0.049
0.040
0.065
-
May 2013 Rev. 2. 0
BCD Semiconductor Manufacturing Limited
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet AP3609.PDF ] | |
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