Single output dc-dc converter
  • OUTPUT VOLTAGE ADJUSTMENT
  • OUTPUT OVER VOLTAGE PROTECTION 
  • MAXIMUM OPERATING TEMPERATURE UP 
    TO 85    șC
  • HIGH EFFICIENCY TO 88%
  • FIVE-SIDED SHIELD
  • UNDER VOLTAGE LOCKOUT
  • REMOTE ON/OFF CONTROL
  • OVER CURRENT PROTECTION, UNLIMITED 
    DURATION
  • SAFETY APPROVAL PENDING

ELECTRICAL SPECIFICATIONS
All specifications are typical at nominal input, full load, and 25șC unless otherwise noted.
INPUT SPECIFICATIONS
Input voltage range 48V nominal...................................................................36 to 75V
Input filter......................................................................................................LC Type.
OUTPUT SPECIFICATIONS
Output Voltage set-point accuracy........................................................................ ±1%
Ripple and noise, 20MHz BW..................................................................SEE TABLE
Line regulation, HL-LL......................................................................................±0.2%
Load regulation, 100% to 10% Full Load..........................................................±0.5%
External trim adjustment range......................................................................±10% typ.
Efficiency.................................................................................................SEE TABLE
Temperature coefficient..............................................................................±0.02%/șC
Short Circuit Protection.........................................................Continuous. autorecovery.
Transient response recovery time, 25% load step change.................................500” sec
Transient voltage peak deviation...............................................................300mV, max.
REMOTE ON/OFF CONTROL
Control voltage referenced to negative(-)input
Compatibility............................................................................................CMOS, TTL
On-control........................................................................................4.8V min. or open
Off-control......................................................................................0.4V max. or short
GENERAL SPECIFICATIONS
Switching frequency.................................................................................300KHz, typ.
Isolation voltage....................................................................................1600VDC min.
Isolation resistance................................................................................109 Ohms, min.
ENVIRONMENTAL SPECIFICATIONS  (REFERENCE)
Operating temperature range...................................-25șC to +71șC+85șC(base plate).
Case temperature........................................................................................100șC max.
 Storage temperature range.................................................................-55șC to +105șC
Cooling..........................................................................................Free-air convection
EMI/RFI.........................................................................................Five-Sided Shield
PHYSICAL SPECIFICATIONS
Case Material.................................................................Non-Conductive Black Plastic
Dimensions......................................1.95 x 1.19 x 0.39 Inches (49.5 x 30.2 x10.0 mm)

MODEL NUMBER

OUTPUT
VOLTAGE

OUTPUT
CURRENT

Ripple & noise
(mV P-P)

% typ.
EFF.

CAPACITOR
LOAD MAX

SDC20-48S2P0 2.0V 4A 50mV  82% 1500uF
SDC20-48S2P3 3.3V 4A 50mV  84% 1500uF
SDC20-48S05 5V 4A 75mV  88% 1500uF
SDC20-48S12 12V 1.67A 75mV  88% 330uF
SDC20-48S15 15V 1.33A 75mV  88% 330uF
   RECOMMENDED HOLE PATTERN:

Component-side footprint. Dimensions are in millimeters and (inches)
Tolerances: x.x ±0.5mm (0.020 in.) x.xx ±0.4mm (0.015 in.)
CAUTION: Care must be taken to ensure the board in the periphery of the footprint is flat.

Pin Function Pin Function
1 Vo(+) 12 V1(+)
2 Vo(-) 11 V1(-)
3 N/C+ 10 N/C+
4 TRIM 9 SYNC (optional)
5 N/C+ 8 ON/OFF
6 N/C+ 7 TURN-ON ADJUSTMENT (optional)

                 The recommended solder paste volume is 2.8 cubic mm (170,000 
                 cubic mils/pin). See design Considerations section. +N/C may be used 
                 for internal module connections and should not be connected by the 
                 customer.

            Outline Diagram

            Dimensions are in millimeters and (inches).

            Tolerances: x.x ±0.5mm (0.020 in.) x.xx ±0.4mm (0.015 in.)