AP8802HSP-13 Diodes Inc, AP8802HSP-13 Datasheet - Page 6

• Manufacturer Part Number: AP8802HSP-13
• Description: IC LED DRIVER HIGH BRIGHT 8SOIC
• Manufacturer: Diodes Inc
• Type: HBLED Driverr

Specifications of AP8802HSP-13

• Constant Current: *
• Constant Voltage: *
• Topology: *
• Number Of Outputs: *
• Internal Driver: *
• Type - Primary: *
• Type - Secondary: *
• Frequency: *
• Voltage - Supply: *
• Voltage - Output: *
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width) Exposed Pad, 8-eSOIC. 8-HSOIC
• Operating Temperature: *
• Current - Output / Channel: *
• Internal Switch(s): Yes
• Efficiency: 92%
• Output Voltage: 60 V
• Output Current: 1 A
• Duty Cycle (max): 0.95 %
• Input Voltage: 8 V to 60 V
• Switching Frequency: 0.5 MHz
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 105 C
• Description/function: Step-down DC/DC converter
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AP8802HSP-13DITR

Applications Information
Inductor Selection
This section highlights how to select the inductor suitable for the application requirements in terms of switching
frequency, LED current accuracy and temperature.
The inductor influences the LED current accuracy that the system is able to provide. The following section
highlights how to select the inductor in relation to the device packages and the LED current, while maintaining the
chip temperature below 70˚C.
AP8802H
Document number: DS32227 Rev. 1 - 2
500
450
400
350
300
250
200
150
100
50
0
0
50
47
47
68
68
68
100
100
100
100
Figure 4: Switching Frequency Vs Inductor Value
(Continued)
150
150
150
150
Switching Frequency @ ILED = 700mA
200
Inductor Value [uH]
220
220
220
www.diodes.com
250
6 of 11
300
350
60V 1A LED Step-down Converter
400
450
470
470
470
500
AP8802H
© Diodes Incorporated
12V - 3 LEDs
24V - 5 LEDs
48V - 10 LEDs
June 2010