ZXLD1370EST16TC Diodes Zetex, ZXLD1370EST16TC Datasheet - Page 16

• Manufacturer Part Number: ZXLD1370EST16TC
• Description: IC LED DRVR HIGH BRIGHT TSSOP-16
• Manufacturer: Diodes Zetex
• Type: HBLED Driverr

Specifications of ZXLD1370EST16TC

• 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: 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
• Operating Temperature: *
• Current - Output / Channel: *
• Internal Switch(s): No
• Efficiency: 95%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ZXLD1370EST16TCTR

ZXLD1370
Document number: DS32165 Rev. 4 - 2
Applications Information
For example, in a buck configuration (V
400 kHz, the Ideal inductor size is L= 33µH.
The same kind of graphs can be used to select the right inductor for a buck configuration and a LED current of 750mA, as
shown in figures 21 and 22.
15
13
11
9
7
5
3
1
15
13
11
9
7
5
3
1
Figure 20. 1.5A Buck mode inductor selection for target frequency > 500kHz
0
Figure 21. 750mA Buck mode inductor selection for target frequency 400kHz
0
L=33µH
10
(Continued)
10
L=10µH
IN
ZXLD1370 Buck Mode 750mA Minimum Recommended Inductor
ZXLD1370 Buck Mode 1.5A Minimum Recommended Inductor
=24V and 6 LEDs), with a load current of 1.5A; if the target frequency is around
L=47µH
20
20
L=22µH
Target Switching Frequency > 500kHz
Target Switching Frequency 400kHz
www.diodes.com
Supply Voltage (V)
Supply Voltage (V)
16 of 36
30
30
L=68µH
L=33µH
40
40
Diodes Incorporated
A Product Line of
L=100µH
L=47µH
50
50
60
© Diodes Incorporated
60
ZXLD1370
March 2011