Diodes ZXLD1370 EV4 User Manual

General Description
The ZXLD1370/1 EV4 1.5A board uses the Buck-
Boost working
topology
Conduction Mode. It can perform step-down or
boost up power conversion according to the
output LEDs load vs. input voltage. It is designed
for driving a high LED current from a wide range
voltage source. The board can operate from an
input supply between 10V and 30V and
provides an externally adjustable output
current of up to 1.5A. The ZXLD1370/1 EV4
board can provide more than 40 watts of
output power
.
Key Features

Wide input voltage range: 10V to 30V

Up to 1.5A output current

Single pin on/off and brightness control
using DC voltage or PWM

Up to 1MHz switching frequency

±5% output current accuracy

Inherent open-circuit LED protection

High-Side Current Sense

Hysteretic Control: No Compensation

Adjustable output LED Current

TSSOP-16EP package for large output power
application

RoHS compliant
Applications

High lumen LED Bulb

Automotive high power LED lamp
ZXLD1370/1EV4 Rev2
October 2016
www.diodes.com
1.5A 40W Buck-Boost LED Driver
at Boundary
DC-
DC+
ZXLD1370/1EV4 User Guide
ZXLD1370/1 EV4 Specifications
Parameter
Input Voltage
Output Power
LED Current
LED Voltage
Efficiency
Number of LEDs
XYZ Dimension
ROHS Compliance
Evaluation Board
Figure 1: Top View
Connection Instructions
Input Voltage: 10 to 30V
LED Outputs: LED+ (Red), LED- (Black)
Value
10 to 30V (1371)
DC
10 to 20V (1370)
DC
30 – 40W
1.5A (Adjustable)
27V
~85%
9 LEDs in series
(Under Tested)
3.00 " x 3.25" x 0.5"
Yes
LED-
LED+
(DC+, DC-)
DC
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