SPECIFICATION
MODEL
DC VOLTAGE
RATED CURRENT
CURRENT RANGE
RATED POWER
OUTPUT
LINE REGULATION
LOAD REGULATION
VOLTAGE RANGE
EFFICIENCY (Typ.)
INPUT
SAFETY STANDARDS
WORKING TEMP.
ON/OFF CONTROL
WORKING HUMIDITY
STORAGE TEMP., HUMIDITY
TEMP. COEFFICIENT
MTBF
DIMENSIONOTHERS
NOTE
PACKING
OVERLOAD
OVER VOLTAGE(CLAMP)
DC CURRENT
3.3V 5V 12V 15V 3.3V 5V 12V 15V
NSD15-12S3 NSD15-12S5
NSD15-12S12 NSD15-12S15
NSD15-48S3 NSD15-48S5
NSD15-48S12 NSD15-48S15
3.75A 3A 1.25A 1A 3.75A 3A 1.25A 1A
0.18 ~ 3.75A 0.15 ~ 3A 0.06 ~ 1.25A 0.05 ~ 1A 0.18 ~ 3.75A 0.15 ~ 3A 0.06 ~ 1.25A 0.05 ~ 1A
12.375W 15W 15W 15W 12.375W 15W 15W 15W
100mVp-p(25% ~ 100% load) for 3.3V only 75mVp-p(25% ~ 100% load)
±2.0%
±1.0% at 10% ~ 100% load
±1.0% at 10% ~ 100% load
73%
5.8 ~ 6.93V 5.61 ~ 6.93V
77%
5.8 ~ 7.5V 5.5 ~ 7.5V
81%
13.8 ~ 18V 13.8 ~ 18V
81%
17.25 ~ 22.5V 17.25 ~ 22.5V
77% 81% 84% 85%
9.4 ~ 36VDC 18 ~ 72VDC
48VDC
1.8A/12VDC 0.4A/48VDC
Above 105% rated output power
Recovers automatically after fault condition is removed
-25 ~ +70℃
Logic "1" or open circuit : ON Logic "0" or short to PIN2 : OFF
0% ~ 95% RH max.
-40 ~ +85℃, 0 ~ 95% RH
±0.03%/℃ (0~50℃)
1734K hrs min. MIL-HDBK-217F (25℃)
50.8*38.1*9.82mm (2"*1.5"*0.387") (L*W*H)
℃








15W DC-DC Regulated Single Output NSD15-S series
RIPPLE & NOISE (max.) Note.2
VOLTAGE TOLERANCE Note.3
ISOLATION VOLTAGE
ISOLATION RESISTANCE
I/P-O/P:1.5KVDC
I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH
ENVIRONMENT
PROTECTION
FUNCTION
RATED DC INPUT 12VDC
+10% ±5.0% ±5.0% ±3.0% +10% ±5.0% ±5.0% ±3.0%
SHORT CIRCUIT Note.4
SHUTDOWN IDLE CURRENT 20mA
Protection type : Over power limiting, recovers automatically after fault condition is removed
Compliance to EN55032 (CISPR32) Class B
Compliance to EN61000-4-2,3,4,6,8; EN55024, light industry level, criteria A
SAFETY &
EMC
(Note 5)
UL60950-1 approved, Design refer to TUV EN60950-1
0.03Kg; 180pcs/6.4Kg/0.97CUFT
‧
‧
‧
‧
‧
‧
‧
‧
‧
‧
‧
■




TRIM OUTPUT (Typ.)
CAPACITIVE LOAD (max.) 3300uF
EMC IMMUNITY
EMC EMISSION
SETUP TIME 100ms/RATED DC INPUT at full Load
File Name:NSD15-S-SPEC 2017-07-14
Pin No. Assignment
16
2
3,5
4
7
8
+VIN
-VIN
No Pin
CONTROL
TRIM
+VOUT
-VOUT
Pin No. Pin No.Assignment Assignment
O.V.P.
CONTROL
I/P -VOUT
TRIM
+VOUT
RECTIFIERS
&
FILTER
SWITCHING
POWER
FILTER
EMI
O.L.P. DETECTION
CIRCUIT
PWM
TRLC
CONTROL INPUT.....................................PIN4
CONTROL COMMON................................PIN2
LOGIC COMPATIBILITY......CMOS OR OPEN COLLECTOR TTL
CONTROL VOLTAGE
ON............+5.5VDC min OR OPEN CIRCUIT
OFF......+2.5VDC max. OR SHORT TO PIN2
AMBIENT TEMPERATURE (℃)
LOAD (%)
10 20 30 40 50 60 70
20
40
60
75
80
100
-25 0
45.72 [1.8]
50.8 [2]
1
2
4
6
7
8
+VIN
-VIN
CONTROL
+VOUT
-VOUT
TRIM
50.8[2]
5.84[0.23]
13.33[0.525]
38.1[1.5]
5.08[0.2]10.16[0.4]
10.16[0.4]10.16[0.4]3.81[0.15]
6.35[0.25]
(HORIZONTAL)
+VIN
C
-VIN
+VOUT
TRIM
-VOUT
1
2
4
7
8
6
LOAD
TRL
0 ~ 100KΩ
UP DOWN TRIMPOT
0 ~ 100KΩ
15W DC-DC Regulated Single Output NSD15-S series
ON/OFF Control & Output Trim
Block Diagram
Mechanical Specification Unit:mm[inch]
Derating Curve
fosc : 400KHz
1[0.039]
1.8[0.071]
9.82[0.387]
10.8[0.425]
File Name:NSD15-S-SPEC 2017-07-14