OPERATOR MANUAL
KEPCO
30 WATT SINGLE OUTPUT
An ISO 9001 Company.
JBW
30W SERIES
SWITCHING POWER SUPPLIES
I — INTRODUCTION
SCOPE OF MANUAL. This instruction manual covers
the installation and operation of the Kepco JBW 30W
Series of RoHS (Reduction of Hazardous Substances)
compliant Switching Power Supplies.
DESCRIPTION. The Kepco JBW 30W Series consists of four models of switching power supplies, with a single output as shown in Table 1. Units may be operated with a nominal 100 to 120V a-c and 220 to 240V a-c (input voltage range 85 to 265 Va-c), 50-60 Hz (input frequency range 47440Hz.) They will also operate on 110V to 370V d-c input. The JBW 30W Series employs a light weight ferrite core with a fixed switching frequency. Regulation is provided by pulse width modulation. A FET power stage, operating in the flyback converter mode provides a smooth isolated d-c
TABLE 1. OUTPUT RATINGS AND SPECIFICATIONS, JBW 30W SERIES
MODEL
OUTPUT VOLTS, d-c
SETTING TOLERANCE
ADJUSTMENT RANGE
MAXIMUM
OUTPUT
RATINGS
CURRENT LIMIT (AMPS)
OVP RANGE (VOLTS)
EFFI-
CIENCY
OUTPUT CAPACITOR
µFmax., (fixed load resistance)
RIPPLE
AND
NOISE
(mV p-p)
(1) 0 to 100% load, 0 to 50 °C, tested with 100µF electrolytic and 0.1µF film capacitors across the measuring points, and connected to the power
supply via 5.9 in (150mm) wires
(2) Measured with a 20 MHz bandwidth oscilloscope.
(1)
50° C amb.
60° C amb.
100 Va-c
240 Va-c
ripple (typ)
ripple
-10-0°C, max
spike noise
(2)
(max)
spike noise
-10-0°C, max
(2)
JBW 05-6R0 JBW 12-2R5 JBW 15-2R0 JBW 24-1R3
5V 12V 15V 24V
4.75-5.25V 11.4-12.6V 14.25-15.75V 22.8-25.2V
FIXED FIXED FIXED FIXED
6.0A/30W 2.5A/30.0W 2.0A/30.0W 1.3A/31.2W
4.2A/21.0W 1.75A/21.0W 1.4A/21.0W 0.91A/21.84W
6.3 min 2.7 min 2.1 min 1.4 min
5.60 min 13.3 min 16.6 min 26.5 min
75% 78% 79% 80%
77% 79% 80% 81%
10000 2200 4000 1000
80 120 120 120
140 160 160 160
120 150 150 150
160 180 180 180
output. A thermistor circuit prevents excessive turn-on current surge. Overvoltage protection is provided. Current limiting with automatic recovery from short circuit is featured.
Units are manufactured on an open frame pc board.
Table 1 contains specifications and operating limits of individual JBW 30W Series models. Section II (following) contains specifications and operating limits common to all JBW
30W Series Models.
II — SPECIFICATIONS
The following specifications are at nominal input voltages
and 25°C and apply to all models unless otherwise specified.
INPUT CHARACTERISTICS:
INPUT VOLTAGE: (0 to 100% load, -10 to 60°C)
Nominal 100-120V a-c, 220-240V a-c
Range: 85-265V a-c, 110 -370V d-c
NOTE: The power supply may shut down if operated at
below the input voltage range or if the input voltage
increases slowly at start up (> 1 second). To reset the
power supply, unplug the unit, wait one minute and
reapply input power.
INPUT SOURCE FREQUENCY:
Nominal: 50/60 Hz
Range: 47-440 Hz
INPUT CURRENT: (100% load at 25°C with nominal out-
put voltage):
100V a-c input: 0.65A typ., 0.86A max.
240V a-c input: 0.35A typ., 0.48A max.
INPUT PROTECTION AND SOFT START: A thermis-
tor circuit reduces start-up surge. Units are protected
against shorts by an input fuse. Fuse value 2.0A, 250V.
KEPCO, INC. 131-38 SANFORD AVENUE FLUSHING, NY. 11355 U.S.A. TEL (718) 461-7000 FAX (718) 767-1102
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©2010, KEPCO, INC 1
Data subject to change without notice 228-1426 REV 3
INPUT SURGE: Cold start:
100V a-c input, 100% load: 15A typ., 30.0A max.
240V a-c input, 100% load: 30A typ., 60.0A max.
LEAKAGE CURRENT: Cold start:
100V a-c and 60 Hz (single pole switching):
0.75mA max, 0.35mA typ
240V a-c and 60 Hz (single pole switching in conformance to UL 1950/IEC 950):
0.75mA max, 0.50mA typ
POWER FACTOR:
100V a-c: 0.6 typ.
240V a-c: 0.45 typ.
OUTPUT CHARACTERISTICS:
SOURCE EFFECT: (85 to 265 Va-c)
0.4% max.
LOAD EFFECT: measured at sensing terminals
(0% - 100% load change)
0.8% max.
TEMPERATURE EFFECT: (-10 to 50°C)
2.0% max.
TIME EFFECT OR DRIFT: (1/2 to 8 hr. at 25°C)
0.4% max.
TRANSIENT RECOVERY: A step load change from
50% to 100% of rated load in 50 microseconds or more
produces no more than 4% output voltage excursion.
Temperature range from -10 to 50°C. Recovery time is
1mS maximum.
HOLD UP TIME: Upon input interruption the output is
maintained for 160 milliseconds typical with 240 Va-c input
voltage, and for 20 milliseconds typical with 100 Va-c input
voltage. The condition for output load is 100%.
START UP TIME:
100 Va-c: 650mS max., 350mS typ.
240 Va-c: 320mS max., 130mS typ.
OVERVOLTAGE PROTECTION: Fixed, factory set.
See Table 1. The overvoltage circuit is set by Zener diode
clamp, latching will occur.
OVERCURRENT: Square type, output voltage returns
to rated level upon removal of cause of malfunction (long
term overcurrent could damage unit).
ENVIRONMENTAL CHARACTERISTICS
OPERATING TEMPERATURE: -10 to 60°C (start up
-20 to -10°C). See the derating, Figure 1.
STORAGE TEMPERATURE: -30°C to + 75°C.
COOLING: Natural convection. Do not allow the power
supply to become dust covered because that will
decrease the cooling efficiency of the unit and cause insulation to deteriorate.
ORIENTATION: Vertical or horizontal (see Figure 2).
HUMIDITY: 20% to 90% relative humidity, operating
and storage, noncondensing, wet bulb temperature < or =
35°C.
VIBRATION: Three axes, one hour each, sweep time
10 min., nonoperating.
5-10 Hz., 10 mm amplitude
10-200 Hz., 2G (19.6m/s
SHOCK: Three axes, 60G (588m/s
2
) acceleration
2
), 11 mS ±5mSec
pulse duration, three shocks each axis, nonoperating, 1/2
sine pulse.
GENERAL CHARACTERISTICS
WITHSTANDING VOLTAGE: (at 5 to 35°C ambient,
45 to 85% relative humidity, cutout current 10 mA):
Between input and output terminals:
3.0 KV a-c for 1 minute.
Between input terminals and chassis:
2000V a-c for 1 minute.
Between output terminals and chassis:
500V a-c for 1 minute.
INSULATION RESISTANCE: Between input and output, input and chassis, output and chassis: 100 megohms
minimum (500V d-c, 5 to 35°C ambient, 45 to 85% relative
humidity)
SAFETY: All units designed to meet UL 1950, CSA
Electrical Bulletin 22.2NO950-95, and TÜV Rheinland
EN60950 (ambient temp. 50°C). JBW 30W units are CE
marked per the Low Voltage Directive (LVD), EN60950.
[The standards do not apply with DC input operation]
EMI CONDUCTED: FCC Class B, VCCI-B, EN55011B, EN55022-B.
ESD: Ground potential area to chassis: 10KV (charge
capacitor 500pF, series resistor 100 Ohms, operating, normal operation)
SURGE WITHSTAND: 1.2x50µs 3KV pulse (operating, 100 Ohm internal series resistor).
INCOMING NOISE: 1 µs, 2 KV pulse, 50-60Hz, with
50 Ohm termination, input to input, input to chassis, less
than five minutes, operating. normal operation.
WARRANTY: One year.
KEPCO, INC. 131-38 SANFORD AVENUE FLUSHING, NY. 11355 U.S.A. TEL (718) 461-7000 FAX (718) 767-1102
http://www.kepcopower.com email: hq@kepcopower.com
2 228-1426 REV 3 061510
FIGURE 1. OUTPUT POWER VS. TEMPERATURE
III — INSTALLATION
MOUNTING POWER SUPPLY. Refer to Figures 2
and 4. The unit may be mounted on one mounting
surface. The air surrounding the power supply must
not exceed the ambient values given in the graph in
Figure 1.
INSULATION. Install unit 0.3 inches (8mm) away
from base with the use of 0.24 inch (6mm) diameter
spacers attached to the PC board. Keep at least 0.16
inches (4mm) spacing around and above the unit to
comply with insulation and safety requirements. An
insulator must be used if the spacing is less than 0.16
inches (4mm) (see Figure 2).
VENTILATION. It is recommended to keep at least 0.40
inches (10mm) clearance from adjacent equipment for
proper ventilation.
CONNECTIONS.
by connecting the two (+) output wires from terminal block
TB2 to the load (+) terminal, and the two (–) output wires
from TB2 to the load (–) terminal. The AC input power is
applied via the terminal block TB1. Make sure to connect
the AC input Neutral and Line wires to the P2 and P1 pins
respectively of TB1 (see Figure 3). A Cable Kit (P/N 219-
0406) is available as an option from Kepco (see Figures 3
and 5). The kit includes an input cable, terminated on one
end with an input mating connector; and an output cable,
terminated on one end with an output mating connector.
Connect the load to the power supply
FIGURE 2. VENTILATION, INSULATION AND MOUNTING
DIRECTION
IV — OPERATION
PROTECTION DIODE: When a number of power sup-
plies are operating in series, the current rating is to be limited to the rating of the power supply with the lowest rating.
A diode (Vr>2 Vo, If>2Io, Vf<< low) must be connected to
the power supply output terminals to protect the unit from
reverse voltage.
KEPCO, INC. 131-38 SANFORD AVENUE FLUSHING, NY. 11355 U.S.A. TEL (718) 461-7000 FAX (718) 767-1102
061510 228-1426 REV 3 3
Σ
FIGURE 3. LOAD CONNECTIONS
http://www.kepcopower.com email: hq@kepcopower.com
.
INPUT
NOTES: 1. Dimensions are in inches, dimensions in brackets are in millimeters.
2. TOLERANCES: ±0.04” [±1.0 mm] unless specified.
3. WEIGHT: 5.29oz. (150 gr.) max.
4. PCB: Thickness = 0.06 ± 0.008 in. (1.6 ± 0.2mm)
FIGURE 4. JBW 30W MECHANICAL OUTLINE DIAGRAM
OUTPUT
Terminal Function
1 Input L
2 Input N
3 Ground
4 Ground
Pad
5 Output (-)
6 Output (+)
Connector Terminal Pin
Input
Output
(1) JST= Japan Solderless Terminal Mfg. Co.
(2) LCE= Long Chu Electronics Co.
(3) MLX = Molex
(4) Optional cable kit (P/N 219-0408) includes
one input and one output cable (one meter
long) with mating connectors for TB1 and
TB2, unterminated at other end.
Mating Connectors
SVH-21T-P1.1
T101 H101-05
50539-8100 51144-0500
SVH-21T-P1.1
T101
50539-8100 51144-0400
(4)
Socket
Housing
VHR-5N
VHR-4N
H101-04
MFR
JST
LCE
MLX
JST
LCE
MLX
(1)
(2)
(3)
(1)
(2)
(3)
FIGURE 5. INPUT/OUTPUT CONNECTIONS
KEPCO, INC. 131-38 SANFORD AVENUE FLUSHING, NY. 11355 U.S.A. TEL (718) 461-7000 FAX (718) 767-1102
http://www.kepcopower.com email: hq@kepcopower.com
4 228-1426 REV 3 061510
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