ZXLD1362ET5TA Diodes Zetex, ZXLD1362ET5TA Datasheet - Page 2

• Manufacturer Part Number: ZXLD1362ET5TA
• Description: IC LED DRIVR WHITE BCKLGT TSOT-5
• Manufacturer: Diodes Zetex
• Type: Backlight, White LEDr

Specifications of ZXLD1362ET5TA

• Topology: PWM, Step-Down (Buck)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Automotive, Backlight
• Type - Secondary: High Brightness LED (HBLED), White LED
• Frequency: 500kHz
• Voltage - Supply: 6 V ~ 60 V
• Voltage - Output: 60V
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-5, TSOT-5, TSOP-5
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 1A
• Internal Switch(s): Yes
• Efficiency: 95%
• Operating Supply Voltage (typ): 9/12/15/18/24V
• Operating Temperature (min): -40C
• Operating Temperature (max): 125C
• Operating Temperature Classification: Automotive
• Package Type: TSOT-23
• Pin Count: 5
• Mounting: Surface Mount
• Power Dissipation: 1W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Compliant
• Other names: ZXLD1362ET5TR

Block Diagram
Pin Description
ZXLD1362
Document number: DS33472 Rev. 3 - 2
I
Name
SENSE
GND
ADJ
V
LX
IN
V
GND
IN
C1
4.7µF
No.
Pin
1
2
3
4
5
GND
ADJ
Drain of NDMOS switch
Ground (0V)
Multi-function On/Off and brightness control pin:
Connect resistor R
(Note: R
Input voltage (6V to 60V). Decouple to ground with 4.7µF of higher X7R ceramic capacitor close to
device
3
2
• Leave floating for normal operation.(V
• Drive to voltage below 0.2V to turn off output current
• Drive with DC voltage (0.3V < V
• Connect a capacitor from this pin to ground to increase soft-start time.
• Soft-start time increases approximately 200µs/nF)
o
1.25V
D1
50k
SMIN
R4
I
OUTnom
=0.1Ω with ADJ pin open circuit)
regulator
Voltage
GND
20k
= 0.1/RS)
R5
S
from this pin to V
5V
Figure 1. Block Diagram
1.35V
www.diodes.com
ADJ
0.2V
IN
2 of 28
< 2.5V) to adjust output current from 25% to 200% of I
to define nominal average output current I
R1
R2
R3
ADJ
5
Description
= V
V
IN
REF
R
= 1.25V giving nominal average output current
S
Diodes Incorporated
A Product Line of
4
I
SENSE
D1
Low voltage
detector
L1
` `
OUTnom
1
© Diodes Incorporated
ZXLD1362
LX
MN
= 0.1/R
March 2011
OUTnom
S