DTL5A-LC Datasheet, PDF (1/6 Pages) Murata Manufacturing Co., Ltd. – 100 Watt, Serial-Input Electronic Load Low Compliance Version

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INNOVATION and EXCELLENCE
DTL5A-LC
100 Watt, Serial-Input
Electronic Load
Low Compliance Version
Features
· Serial-input controlled
· 100 watts maximum load capacity
· 0.6 to 50V, 0 to 2.0A capability
· Parallel load capability for higher
current and power applications
· Dynamic loading to 20 kHz
· Compliance Voltage down to 0.6 Volts
Applications
· Power supply test and characterization
· Dynamic power supply burn-in
· Battery capacity testing
· Current source testing
· Capacitor discharge testing
· Power resistor substitution
· Real-time load simulation
DATEL's DTL5A-LC is a serial-input controlled electronic loads featuring a low
compliance voltage operation (down to 0.6 Volts)! Similar to DATEL's DTL3A, the
DTL5A-LC also offers a loading current range of 0 to 2.0A full scale range with a loading
voltage to 50V. The DTL5A-LC's ability to operate down to 0.6 Volts, allows this device to
be used with next-generation, low-voltage output power supplies. The DTL3A's
compliance voltage operates from 2.5 Volts to 50 Volts, sufficient for today's 2.5V, 3.3V, 5
Volt, etc., power product voltages, with improved gain specifications.
The small but efficient heat transfer package allows up to 100W of power dissipation
by using external heatsinking. The devices are packaged in a small 2" x 2" x 0.4" metal
package, providing easy mounting capability for external heatsinks. A monitor circuit
makes sure a compliance voltage is present, before biasing the DTL5A-LC's output
stage. A Fault line goes active, should the device-under-test go below its compliance
voltage.
These loads feature fast current step response times, settling a full scale step in 100
µsec to ±1% Full Scale Range (FSR). Dynamic loading is up to 20kHz, and a current
resolution of ±0.025% is achieved. Opto-isolators are utilized on the digital input lines,
with 500 Volts of isolation provided from the load outputs to input ground. The opto-
isolators are internally buffered, making the DTL5A-LC easy to drive, with any digital I/O
board. Isolation from any pin to case is 500 Volts.
7
Control Strobe (CS)
6
Clock (CLK)
5
Serial Data In (SDI)
4
Latch Data (LD)
Buffers/ ⁴
Opto
Isolators
+5V
Supply Ground
3
2
Isolated
DC/DC
Converter
D/A
Converter
Amplifier/
Current
Sensor
1
Fault
Error
Detection
11 _{+Load Input}
10
+Load Input
9 ^{–Load Input}
–Load Input
8
Power Supply
Under Test
Figure 1. Simplified Schematic
DATEL, Inc., Mansfield, MA 02048 (USA) • Tel: [phone] Fax: [phone] • Email: [e-mail] • Internet: www.datel.com