ZXLD381FHTA Diodes Zetex, ZXLD381FHTA Datasheet - Page 2

• Manufacturer Part Number: ZXLD381FHTA
• Description: IC LED DRIVR WHITE BCKLT SOT23-3
• Manufacturer: Diodes Zetex
• Type: Backlight, White LEDr

Specifications of ZXLD381FHTA

• Constant Current: Yes
• Topology: Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight, Flash/Torch
• Type - Secondary: High Brightness LED (HBLED), White LED
• Frequency: 350kHz
• Voltage - Supply: 0.9 V ~ 2.2 V
• Voltage - Output: 20V
• Mounting Type: Surface Mount
• Package / Case: SOT-23-3, TO-236-3, Micro3™, SSD3, SST3
• Operating Temperature: 0°C ~ 85°C
• Current - Output / Channel: 55mA
• Internal Switch(s): Yes
• Efficiency: 85%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ZXLD381FHTR

Block Diagram
Pin Description
ZXLD381
Document number: DS32188 Rev. 3 - 2
Pin No.
1
2
3
Name
V
GND
V
OUT
CC
1.5V
Ground
Switch output external inductor/LED
Supply voltage, generally Alkaline, NiMH or NiCd single cell
ZXLD381
Con
Fig 1. ZXLD381 Block Diagram
Coff
www.diodes.com
Pulse
Control
2 of 9
VCC
GND
Rsense
Description
Diodes Incorporated
A Product Line of
VOUT
LED
L1
© Diodes Incorporated
ZXLD381
May 2010