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PDF RP1364A Data sheet ( Hoja de datos )
| Número de pieza | RP1364A | |
| Descripción | 4 Channels 100mA x1/x1.5/x2 Charge Pump White LED Driver | |
| Fabricantes | RICHPOWER | |
| Logotipo |  |
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Preliminary
RP1364A
4 Channels 100mA x1/x1.5/x2 Charge Pump White LED Driver
General Description
The RP1364A is a 4 channel WLED driver with auto mode
selection of x1, x1.5 and x2 mode with low dropout voltage
in current sources. The RP1364A can power up to 4 white
LEDs with regulated constant current for uniform intensity.
Each channel (LED1 to LED4) can support up to 25mA.
The part maintains highest efficiency by utilizing x1/x1.5/
x2 fractional charge pump and low dropout current
regulators. An internal 5-bit DAC is used for brightness
control. Users can easily configure up to 16-step of LED
current by enable pin.
The RP1364A is available in a WQFN-16L 3x3 package.
Small 0.22uF capacitors can be used for fly capacitors. It
provides the best backlighting solution with high efficiency
and smallest board space for portable application.
Ordering Information
RP1364A
Package Type
QW : WQFN-16L 3x3 (Option 1)
Operating Temperature Range
G : Green (Halogen Free with Commer-
cial Standard)
Note :
Richpower Green products are :
RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
Suitable for use in SnPb or Pb-free soldering processes.
Features
Efficiency Up to 93% Over Li-ion Battery Discharge
Typical 85% Average Efficiency Over Li-ion Battery
Discharge
Support Up to 4 White LEDs
Support Up to 25mA/Per Channel
Support Up to 100mA Output Current
Flexible 16-step Brightness Control
60mV Typical Current Source Dropout
1% Typical LED Current Accuracy
0.7% Typical LED Current Matching
Automatic x1/x1.5/x2 Charge Pump Mode
Transition
Low Input Noise and EMI Charge Pump
5V Over Voltage Protection
Power On/Mode Transition In-rush Protection
1MHz Switching Frequency
Typical 0.4uA Low Shutdown Current
RoHS Compliant and Halogen Free
Applications
Camera Phone, Smart Phone
White LED Backlighting
Pin Configurations
Marking Information
For marking information, contact our sales representative
directly or through a Richpower distributor located in your
area, otherwise visit our website for detail.
(TOP VIEW)
16 15 14 13
C2N
C1N
C1P
C2P
1
2
3
4
GND
12 LED2
11 LED3
10 LED4
9 NC
5678
RP1364A-00P July 2009
WQFN-16L 3x3
1
1 page  
Preliminary
RP1364A
Note 1. Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the device. These are for
stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods may remain possibility to affect device reliability.
Note 2. Devices are ESD sensitive. Handling precaution is recommended.
Note 3. The device is not guaranteed to function outside its operating conditions.
Note 4. θJA is measured in the natural convection at TA = 25°C on a low effective single layer thermal conductivity test board of
JEDEC 51-3 thermal measurement standard.
RP1364A-00P July 2009
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet RP1364A.PDF ] | |
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