ZXLD1370EST16TC Diodes Zetex, ZXLD1370EST16TC Datasheet - Page 17

• 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
In the case of the Buck-boost topology, the following graphs guide the designer to select the inductor for a target frequency
of 400kHz (figure 23) or higher than 500kHz (figure 24).
15
13
11
9
7
5
3
1
Figure 23. 350mA Buck-Boost mode inductor selection for target frequency 400kHz
15
13
11
9
7
5
3
1
0
Figure 22. 750mA Buck mode inductor selection for target frequency > 500kHz
0
L=22µH
10
(Continued)
10
ZXLD1370 Buck-Boost Mode 350mA Minimum Recommended Inductor
L=33µH
ZXLD1370 Buck Mode 750mA Minimum Recommended Inductor
L=33µH
20
20
Target Switching Frequency - 400kHz
Target Switching Frequency > 500kHz
www.diodes.com
L=47µH
Supply Voltage (V)
Supply Voltage (V)
L=47µH
17 of 36
30
30
L=68µH
40
40
Diodes Incorporated
A Product Line of
50
L=100µH
50
60
60
© Diodes Incorporated
ZXLD1370
March 2011