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The AP3612 is a high efficiency boost controller with 12-string current sources for driving WLED backlight. It operates over a wide input voltage range from 4.5V to 33V. The current of 12 strings are simply programmed from 20mA to 75mA with an external resistor. The current matching between each string is 1.5% (Typ). Its operating frequency can be adjusted f.
Cycle-by-cycle Current Limit, Soft Start, Under Voltage Lock Out (UVLO) protection, programmable OVP, Over Temperature Protection (OTP), open/short LED protection, VOUT short protection and Schottky diode short-circuit protection.
The AP3612 is available in HSOP-28 and SOIC-24 packages.
Features
• Input Voltage Range: 4.5V to 33V
• Drives up to 12 Strings in Parallel, 75mA per
String
• Programmable WLED Current from 20mA to
75mA
• 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 .
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | AP3615 |
BCD Semiconductor |
5 CHANNEL CHARGE PUMP CURRENT SINK |
|
| 2 | AP3616 |
BCD Semiconductor |
75mA CURRENT SINK |
|
| 3 | AP3600 |
APTech |
1/4 INCH DIAPHRAGM VALVE |
|
| 4 | AP3601N |
Advanced Power Electronics |
P-CHANNEL ENHANCEMENT MODE POWER MOSFET |
|
| 5 | AP3602A |
BCD Semiconductor |
REGULATED CHARGE PUMP |
|
| 6 | AP3602B |
BCD Semiconductor |
REGULATED CHARGE PUMP |
|
| 7 | AP3603 |
AKM |
High Power Dual Output Step-Up DC-DC Controller |
|
| 8 | AP3605 |
BCD Semiconductor |
4-Channel Charge Pump LED Driver |
|
| 9 | AP3606 |
BCD Semiconductor |
4/6 CHANNEL CHARGE PUMP CURRENT SINK |
|
| 10 | AP3607 |
BCD Semiconductor |
4/6 CHANNEL CHARGE PUMP CURRENT SINK |
|
| 11 | AP3608E |
BCD Semiconductor |
EIGHT-CHANNEL CONSTANT CURRENT SINK |
|
| 12 | AP3609 |
BCD Semiconductor |
EIGHT-CHANNEL CONSTANT CURRENT SINK |
|