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* 3 WATTS REGULATED OUTPUT POWER * 4:1 WIDE INPUT VOLTAGE RANGE * INTERNATIONAL SAFETY STANDARD APPROVAL * FIVE-SIDED SHIELD * HIGH EFFICIENCY UP TO 78% * STANDARD 24 PIN DIP PACKAGE & SMD TYPE PACKAGE * OVER CURRENT PROTECTION
The VKC03 offers 3 watts of output power from a package in an IC compatible 24pin DIP configuration without derating to 71C ambient temperature. VKC03 series have 4:1 wide input voltage of 9-36 and 18-75VDC. The VKC03 features 1600VDC of isolation, short-circuit protection and as well as five sided shielding. A safety designed meet to EN60950 and UL1950. All models are particularly suited to telecommunications, industrial, mobile telecom and test equipment applications.
UL E193009 TUV R3-50007936 CB JPTUV-003641 CE MARK
T E C H N I C A L S P E C I F I C AT I O N
OUTPUT SPECIFICATIONS
Output power Voltage accuracy Minimum load (Note 1) Line regulation Load regulation Cross regulation Ripple and noise Temperature coefficient LL to HL at Full Load 25% to 100% FL Single Dual Full load and nominal Vin
All specifications are typical at nominal input, full load and 25C otherwise noted
GENERAL SPECIFICATIONS
3 Watts max 2% 10% of FL 0.2% 0.2% 1% 5% 50mVp-p I0.02% / C, max 200uS 180% typ Isolation voltage Isolation resistance Isolation capacitance Switching frequency Design meet safety standard Case material Base material Potting material Dimensions Weight 9 - 36VDC 18 - 75VDC Pi type 50VDC 100VDC 20mAp-p 350mS typ MTBF (Note 5) DIP SMD Efficiency Input to Output Input(Ouput) to Case DIP SMD See table 1600VDC, min 1600VDC, min 1000VDC, min 10 ohms, min 300pF, max 300KHz, typ UL1950, EN60950 Nickel-coated copper Non-conductive black plastic Epoxy (UL94-V0) 1.25 X 0.80 X 0.40 Inch (31.8 X 20.3 X 10.2 mm) 16g (0.55oz) 18g (0.62oz) 2.941 x 106 hrs
9
Asymmetrical load 25% / 100% FL 20MHz bandwidth
Transient response recovery time 25% load step change Over load protection Short circuit protection % of FL at nominal input
Continuous, automatics recovery
INPUT SPECIFICATIONS
Input voltage range Input filter Input surge voltage 100mS max 24V input 48V input Nominal Vin and full load 24V nominal input (Note 2) 48V nominal input
ENVIRONMENTAL SPECIFICATIONS
Operating temperature Maximum case temperature Storage temperature range Thermal impedance Nature convection Standard M1 (Note 6) -25C ~ +85C (with derating) -40C ~ +85C (non-derating) 100C -55C ~ +105C 20C/Watt MIL-STD-810D 10~55Hz, 2G, 30minutes along X,Y and Z 5% to 95% RH
Input reflected ripple (Note 3) Start up time
Nominal Vin and constant resistor load DC-DC ON DC-DC OFF Nominal input
Remote ON/OFF (Note 4) Open or 3.5V < Vr < 12V Short or 0V < Vr < 1.2V 2.5mA
Thermal shock Vibration Relative humidity
Remote off input current OUTPUT POWER (%)
VKC03-48S05 Derating Curve
EMC CHARACTERISTICS
100
M1 Version M! Version
Conducted emissions Radiated emissions ESD
EN55022 EN55022 EN61000-4-2 EN61000-4-3 EN61000-4-4 EN61000-4-5 EN61000-4-6
Level A Level A Perf. Criteria2 Perf. Criteria2 Perf. Criteria2 Perf. Criteria2 Perf. Criteria2
75 50 25
Nature convection
50 60 70 80 90 100
Radiated immunity Fast transient Surge Conducted immunity
0 -40 -25 -10 0
AMBIENT TEMPERATURE (C)
Model Number
VKC03-24S05 VKC03-24S12 VKC03-24S15 VKC03-24D05 VKC03-24D12 VKC03-24D15 VKC03-48S05 VKC03-48S12 VKC03-48S15 VKC03-48D05 VKC03-48D12 VKC03-48D15
Input Range
9 - 36 VDC 9 - 36 VDC 9 - 36 VDC 9 - 36 VDC 9 - 36 VDC 9 - 36 VDC 18 - 75 VDC 18 - 75 VDC 18 - 75 VDC 18 - 75 VDC 18 - 75 VDC 18 - 75 VDC
Output Voltage
5 VDC 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC
Output Current
500mA 250mA 200mA 250mA 125mA 100mA 500mA 250mA 200mA 250mA 125mA 100mA
Input (7) Current
147mA 169mA 169mA 149mA 172mA 172mA 74mA 85mA 86mA 75mA 86mA 85mA
Eff (%)
75 78 78 74 77 77 75 78 77 74 77 78
(8)
Capacitor Load max
1000uF 170uF 110uF 550uF 96uF 47uF 1000uF 170uF 110uF 550uF 96uF 47uF
(9)
Note
1. 2. 3. 4. 5. 6. 7. 8. 9. The VKC03 series required a minimum 10% loading on the output to maintain specified regulation. Operation under no-load condition will not damage these devices, however they may not meet all listed specification. Simulated source impedance of 12uH. 12uH inductor on series with +Vin. Start up voltage10 Vdc The ON/OFF control pin voltage is referenced to negative input. BELLCORE TR-NWT-000332. Case I: 50% Stress, Temperature at 40C. (Ground fixed and controlled environment) M1 version is more efficient, therefore, it can be operated in a more extensive temperature range than standard. Maximum value at nominal input voltage and full load of standard type. Typical value at nominal input voltage and full load Test by minimum Vin and constant resistor load.
Suffix-SMD
1.00(25.4) 0.92(23.4) 0.02(0.5) 0.18(4.6) 0.10 (2.54) Pin size is 0.02(0.5) Dia or 0.01 x 0.02 (0.25 x 0.50) Rectangular Pin 0.44(11.2) 0.43(10.9)
24
1
0.70 (17.8)
1.25 (31.8)
20
BOTTOM VIEW
5 9
15 13
0.60(15.2) 0.80(20.3)
0.15 (3.8)
0.40 (10.2)
Pin Area 0.04 x 0.02 (1.0 x 0.5)
13
12
0.80(20.3)
1. All dimensions in Inches (mm) 2. Pin pitch tolerance I0.014(0.35)
DIP PIN CONNECTION
PIN 1 2 10 11 12 SINGLE + INPUT + INPUT DUAL + INPUT + INPUT PIN 24 23 20 15 13 SINGLE - INPUT - INPUT CTRL NC DUAL - INPUT - INPUT CTRL + OUTPUT PIN 1 2
SMD PIN CONNECTION
SINGLE + INPUT + INPUT DUAL + INPUT + INPUT PIN 24 23 20 15 SINGLE - INPUT - INPUT CTRL NC DUAL - INPUT - INPUT
NC COMMON NC COMMON - OUTPUT NC
+ OUTPUT - OUTPUT
CTRL 10 NC + OUTPUT COMMON 11 NC COMMON 12 - OUTPUT NC 13 + OUTPUT - OUTPUT Others NC NC Others NC NC
0.25 (6.35)
10 11 12
16
1.26 (32.0)
20 BOTTOM VIEW
0.20 (5.1)
0.15 (3.81)
24 23
1 2

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