International Safety Standard Approvals
VDE0805/EN60950/IEC950 pending
UL1950
CSA 22.2 No. 950 pending
SIP20C SERIES
Single output
[ 2 YEAR WARRANTY ]
• Updated version of SIP20
• Best-of-class wide output trim range
• Industry standard footprint
• High power density (60W/in3)
• High Efficiency 90%
• Fixed frequency (500kHz)
• Remote ON/OFF
• Undervoltage lockout (UVLO)
• Remote sense option
The SIP20C series are non-isolated DC/DC converters packaged in a single-in-line
footprint (2.5 x 0.55 x 0.23 inches) giving designers a cost effective solution for
conversion of 5VDC to 3.3VDC and lower voltages. The SIP20C offers a best-of-
class wide output trim range which allows maximum design flexibility and a
pathway for future upgrades. For example, the 1.5V model can be trimmed as low
as 1V. Local voltage conversion by the SIP20C from existing 5V system voltages
eliminates the need for redesign of existing power architectures when voltage
requirements change. The SIP20C is designed for applications that include
distributed power, workstations, computers and file servers. Implementing state of
the art surface mount technology and automated manufacturing techniques, the
SIP20C offers compact size and efficiencies of 90%. The SIP20C is an updated
version of the original SIP20 and is fully compatible with the original model.
SPECIFICATION
All specifications are typical at nominal input, full load at 25°C unless otherwise stated
PAGE 122
EMC CHARACTERISTICS (4)
Radiated emissions EN55022/11, FCC part 15 Level A
Electrostatic discharge EN61000-4-2, IEC801-2
GENERAL SPECIFICATIONS
Efficiency See table
Isolation voltage Non-isolated
Switching frequency Fixed 500kHz typ.
Approvals and VDE0805, EN60950, IEC950
standards (See Note 7) UL1950, CSA C22.2 No. 950
Material flammability UL94V-0
Dimensions (LxWxH) 63.5 x 13.97 x 5.84 mm
2.5 x 0.55 x 0.23 inches
Pin length 0.135 ±0.02 inches (3.43 ±0.5mm)
Weight 5g (0.18oz)
MTBF MIL-HDBK-217F >1,000,000 hours
ENVIRONMENTAL SPECIFICATIONS
Thermal performance Operating ambient, See curve
convection cooled
Operating ambient, -25°C to +85°C
300LFM forced air See Curve
Non-operating -55°C to +100°C
Altitude Operating 10,000 feet max.
Non-operating 40,000 feet max.
Vibration 5Hz to 500Hz 2.4G rms (approx.)
OUTPUT SPECIFICATIONS
Voltage adjustability S3V3 60% to 115%
S2V5 60% to 110%
S1V5 87% to 130%
Set point accuracy (See Note 1) ±2.7%
Line regulation Vin = 4.5V to 5.5V ±0.3%
Load regulation Io = 0A to 6A ±0.3%
Minimum load 0A
Overshoot/undershoot None
Ripple and noise 0 to 20MHz BW 100mV pk-pk,
(See Note 8) 30mV rms max.
Temperature coefficient ±0.01%/°C
Transient response ±2.0% max. deviation
(See Note 2) 300µs recovery
to within ±1.0%
Remote sense (See Note 6) 0.5VDC compensation
INPUT SPECIFICATIONS
Input voltage range 4.5 to 5.5VDC
Input current No load 150mA
Input current @ Io max. and 5.3A max.
Vin = 0 to 5.5V
Input reflected ripple (See Note 3) 200mA
Remote ON/OFF (See Note 5)
Start-up time 1.0ms
External capacitor (See Note 4) 100µF
Notes
1 Vin = 5.0V, Io = full load, TA= 25°C. Total error band ±4.5% over all
operating conditions and temperatures until end of life.
2 di/dt = 1A/1µs, Vin = 5VDC, Tc = 25°C, load change = 0.5 lo max. to lo
max. and Io max. to 0.5 Io max.
3 With simulated source impedance of 500nH. 5Hz to 20MHz.
4 Use a 100µF with ESR = 0.045Ωmax. at 100kHz @ 25°C.
5 Referenced to ground for shutdown. If pin 6 is high unit will shut down. If
pin 6 is open unit will operate as normal.
6 Single line sense; 0.5VDC compensation. Designate with the suffix 'R'
e.g. SIP20C-05S3V3R.
7 This product is only for inclusion by professional installers within other
equipment and must not be operated as a stand alone product.
8 0-20MHz BW, 0.1µF ceramic, 1µF tantalum on output.
9 A short from +Vout to ground of less than 100mΩmay cause the unit to
enter a non-destructive latch-up mode. If latch-up does occur the power
supply to the unit may need to be cycled.
6
5
4
3
2
1
0-25°C0
°C15
°C25
°C35
°C45
°C55
°C65
°C75
°C85
°C
DERATING CURVE
200 LFM
300 LFM
Output Current (A)
AMBIENT TEMPERATURE (°C)
100 LFM
NATURAL
CONVECTION
COOLING
0.23 Max.
(5.84)
0.025
(0.635)
Square
Pins
PC Board
0.140 Max.
(3.556)
0.135
(3.43)
0.28 (7.11)
2.50 (63.5) 0.55 (13.97)
0.685 (17.40)
0.10 (2.54)
RT1
J1 J2
1123 56
2345
1.90 (48.26)
Optional Remote
Sense Pin (See Note 6)
ALL DIMENSIONS IN INCHES (mm)
Recommended hole size 0.04 (1.0)
Plated through hole
4
TRIM
UP
TRIM
DOWN
J1 PIN 5
J2 PIN 5
J1 PIN 2
J1 PIN 5
J2 PIN 5
J1 PIN 2
10KΩ
TRIMPOT
9 to 20 Watt
Non-isolated DC/DC regulators
DC/DC CONVERTERS |9-
20W DC/DC
PROTECTION
Short circuit protection Continuous (See Note 9)
Input surge protection 6VDC continuous max.
Undervoltage protection UVLO Vin <3.8V
Thermal protection Automatic recovery, unit will
shut down if RT1 exceeds 85°C
(See diagram below)
PAGE 123
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EXTERNAL OUTPUT TRIMMING
Output can be externally trimmed
by using either method shown below.
OUTPUT INPUT OUTPUT OUTPUT OUTPUT EFFICIENCY REGULATION MODEL
POWER VOLTAGE VOLTAGE CURRENT CURRENT (TYP.) LINE LOAD NUMBER (6)
(MAX.) (MIN.) (MAX.)
20W 4.5-5.5VDC 3.3V 0A 6A 90% ±0.3% ±0.3% SIP20C-05S3V3
15W 4.5-5.5VDC 2.5V 0A 6A 82% ±0.3% ±0.3% SIP20C-05S2V5
9W 4.5-5.5VDC 1.5V 0A 6A 75% ±0.3% ±0.3% SIP20C-05S1V5
J1 PIN CONNECTIONS
PIN NUMBER FUNCTION
1 +Vout
2 +Vout
3 Opt. Remote Sense (+)
4 +Vout
5 Ground
J2 PIN CONNECTIONS
PIN NUMBER FUNCTION
1 Ground
2+Vin
3+Vin
4 No Pin
5Trim
6 Remote ON/OFF
Data Sheet © Artesyn Technologies
®
2000
The information and specifications contained in this data sheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising
from printing errors or inaccuracies. Specifications are subject to change without notice. No rights under any patent accompany the sale of any such product(s) or information contained herein.
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