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PDF AP3064 Data sheet ( Hoja de datos )
| Número de pieza | AP3064 | |
| Descripción | Boost Type LED Driver | |
| Fabricantes | BCD | |
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Preliminary Datasheet
Boost Type LED Driver with 4-Channel Current Source
AP3064
General Description
The AP3064 is a high efficiency boost controller with
4-string current sources for driving WLED backlight.
It operates over a wide input voltage range from 4.5V
to 33V.
The current of 4 strings are simply programmed from
20mA to 220mA with an external resistor. The
current matching between each string is 1.5% (Typ).
Its operating frequency can be adjusted from 0.1MHz
to 1MHz.
The AP3064 features cycle-by-cycle current limit,
soft-start, under voltage lockout (UVLO) protection,
programmable OVP, over temperature protection
(OTP), open/short LED protection, VOUT
short/Schottky diode open protection and Schottky
Diode short-circuit protection.
The AP3064 is available in SOIC-16, PSOP-16,
DIP-16 and QFN-4×4-16 packages.
Features
• Input Voltage Range: 4.5V to 33V
• Drives up to 4 Strings in Parallel, 220mA per
String
• Programmable WLED Current from 20mA to
220mA
• Adjustable Operating Frequency: 100kHz to
1MHz
• String-to-string Current Matching Accuracy:
1.5%
• Built-in OCP, OTP, UVLO
• External PWM Dimming
• Open/Short LED Protection
• Programmable Soft-start
• Programmable OVP
• Schottky Diode/Inductor Short-circuit Protection
• VOUT Short/Schottky Diode Open Protection
Applications
• LCD Monitor
• LCD Display Module
• LCD TV
SOIC-16
PSOP-16
DIP-16
QFN-4×4-16
Figure 1. Package Types of AP3064
Jul. 2012 Rev. 1. 5
BCD Semiconductor Manufacturing Limited
1
1 page  
Preliminary Datasheet
Boost Type LED Driver with 4-Channel Current Source
AP3064
Ordering Information
AP3064
-
Package
SOIC-16
PSOP-16
DIP-16
QFN-4×4-16
Circuit Type
Package
M: SOIC-16
MP: PSOP-16
P: DIP-16
FN: QFN-4×4-16
Temperature
Range
-40 to 85°C
Part Number
AP3064M-G1
AP3064MTR-G1
AP3064MP-G1
AP3064MPTR-G1
AP3064P-G1
AP3064FNTR-G1
G1: Green
Blank: Tube
TR: Tape & Reel
Marking ID
AP3064M-G1
AP3064M-G1
AP3064MP-G1
AP3064MP-G1
AP3064P-G1
BJA
Packing Type
Tube
Tape & Reel
Tube
Tape & Reel
Tube
Tape & Reel
BCD Semiconductor's Pb-free products, as designated with "G1" suffix in the part number, are RoHS compliant
and green.
Jul. 2012 Rev. 1. 5
BCD Semiconductor Manufacturing Limited
5
5 Page 
Preliminary Datasheet
Boost Type LED Driver with 4-Channel Current Source
AP3064
Typical Performance Characteristics (Continued)
VIN=24V, VEN=VDD=5V, 13 LEDs in series, 4 strings in parallel, 120mA/string, TA=25°C, unless otherwise
specified.
VPWM
5V/div
VSW
20V/div
ICH
100mA/div
Time 2ms/div
Figure 12. PWM Dimming
VSTATUS
5V/div
VSW
50V/div
ICH
100mA/div
VCH
5V/div
Time 10µs/div
Figure 13. LED Short Protection
VSTATUS
5V/div
VSW
50V/div
ICH
50mA/div
VOVP
1V/div
Time 50ms/div
VSW
50V/div
VSTATUS
5V/div
VCS
1V/div
ICH
50mA/div
Time 50µs/div
Figure 14. LED Open Protection
Figure 15. Schottky/Inductor Short Protection
Jul. 2012 Rev. 1. 5
BCD Semiconductor Manufacturing Limited
11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet AP3064.PDF ] | |
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