H
Affordable programmable
power supplies to meet your
needs
The HP E363xA-series of
programmable DC power supplies
give you the performance of system
power supplies without the high
price. All models give you clean
power, dependable regulation and
fast transient response with built-in
GPIB and RS-232 interface.
HP E363xA-series are designed to
meet the most demanding
applications in R&D design
verifications, production testing,
and QA verifications with
traditional HP quality and reliability
you can count on.
Excellent Performance
you can trust
0.01% load and line regulation keep
the output steady when power line
and load change occur. The power
supplies specify both normal mode
voltage noise and common mode
current noise. The low normal
mode noise specification assures
clean power for precision circuitry
applications and the low common
mode current provides isolation
from power line current injection.
Remote Interface
If you have an IEEE-488 card or
RS-232 in a PC, these power
supplies will work for you. Every
model comes equipped with both
GPIB and RS-232 as standard.
All programming is done in easy to
use SCPI (Standard Commands for
Programmable Instruments).
The manual describes the process
for first time programmers.
Front Panel Operation
A knob and self-guiding keypads
allow you to set the output at the
resolution you need for the most
exacting adjustments quickly and
easily. Up to three complete power
supply setups can be stored and
recalled from the internal nonvolatile memory. The output on/off
button sets the output to zero.
HP E3631A triple-output
power supply
This famous 80-watt triple output
supply offers three independent
0 to +6V/5A and 0 to +/-25V/1A
outputs. The 6V output is
electrically isolated from the +/-25V
supply to minimize any interference
between circuits under tests.
The +/-25V outputs can be set to
track each other.
HP E3632A/33A/34A
single-output dual range
power supplies
These single output power supplies
give you the flexibility to select
from dual output ranges. Output
load is protected against
overvoltage and overcurrent,
which are easily monitored and
adjusted from the front panel and
remote interface. Remote sense is
available to eliminate the errors due
to voltage drops on the load leads.
E3633A/34A offers front and rear
output terminals.
HP E363xA - Series
Programmable Power Supplies
Technical Data
October 1998
• Single and triple outputs
• 80W to 200W output power
• Low noise and excellent regulation
• High accuracy and resolution
• Front and rear output terminals
(E3633/34A only)
• GPIB and RS-232 standard
HP E3631A/32A/33A/34A Programmable DC Power Supply Specifications
Model Number E3631A E3632A E3633A E3634A
1 2 3
DC Output 0 to +6V, 0 to +25V, 0 to -25V, 0 to +15V/7A or 0 to +8V/20A or 0 to +25V/7A o
Rating 0 to 5A 0 to 1A 0 to 1A 0 to +30V/4A 0 to +20V/10A 0 to +50V/4A
(0°C to 40°C)
Load Regulation
1
< 0.01% + 2mV
+(% of output + offset) < 0.01% + 250uA
Line Regulation < 0.01% + 2mV
+(% of output + offset) < 0.01% + 250uA
Ripple and Noise (20Hz to 20MHz)
Normal Mode Voltage < 350uVrms / 2mVpp <350uVrms/ 3mVpp <500uVrms/ 3mVpp
Normal Mode Current <2mArms <500uArms < 2mArms
Common Mode Current < 1.5uArms
Accuracy 12Mos (25 °C + 5 °C), ± (% output + offset)
Programming
Voltage 0.1% + 5mV 0.05% + 20mV 0.05% + 10mV
Current 0.2% + 10mA 0.15% + 4mA 0.2% + 10mA
Readback
Voltage 0.1% + 5mV 0.05% + 10mV 0.05% + 5mV
Current 0.2% + 10mV 0.15% + 4mA 0.15% + 5mA
Resolution
Program 0.5mV / 0.5mA 1.5mV / 0.1mA 1mV/ 0.5mA 1mV/1mA 3mV/0.5mA
Readback 0.5mV / 0.5mA 1.5mV / 0.1mA 0.5mV / 0.1mA 0.5mV / 1mA 1.5mV / 0.5mA
Meter 1mV/1mA 10mV / 1mA 1mV / 1mA 1mV / 1mA (<10A), 10mA (≥10A)
Transient Response Less than 50usec for output to recover to within 15mV following a change in output current from full load to half load or vice versa.
Command Processing < 100msec
Time
2
OVP/OCP N / A
Accuracy, 0.5% + 0.5V / 0.5% + 0.5A
± (% output + offset)
Activation time <1.5msec, OVP>3V / <10msec, OVP< 3V and OCP
Temperature Coefficient per °C ± (% output + offset)
Voltage 0.01% + 2mV 0.01% + 3mV
Current 0.02% + 3mA 0.02% + 0.5mA 0.02% + 3mA
Stability, constant output & temperature ± (% of output + offset), 8 hrs
Voltage 0.03%+1mV 0.02%+2mV 0.02%+1mA
Current 0.1%+3mA 0.05%+1mA 0.1% + 1mA
Remote Sense Max voltage in each load lead 1V 0.7V
Voltage Programming Speed, to within 1% of total excursion
Up Full Load 11msec 50msec 50msec 95msec 80msec
No Load 10msec 45msec 20msec 45msec 100msec
Down Full Load 13msec 20msec 45msec 30msec 30msec
No Load 200msec 400msec 400msec 450msec 450msec
AC Input 100Vac ± 10% (Opt 0E9) / 115Vac + 10% (Std) / 230Vac ± 10% (Opt 0E3)
(47Hz - 63Hz)
Dimension/Net Weight
213mmW x 133mmH x 348mmD 213mmW x 133mmH x 348mmD
(8.4 x 5.2 x 13.7 in) / 8.2kg (18 lbs) (8.4 x 5.2 x 13.7 in) / 9.5kg (21 lbs)
Warranty 3 years
Product Regulation Designed to comply with UL 1244, IEC1010-1; Certified with CSA 22.2 no. 1010.1, meets requirements for CE regulation
Note: 1. With sense terminal connected for E3632A/33A/34A.
2. Maximum time for output to change after receipt of commands.
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