KHC Power Technology Co.,Ltd
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1W isolated DC-DC converter Fixed input voltage, regulated dual output
Description
IA_KS-1WR3 series is specially designed for applications where two isolated voltage is required in a distributed power supply system.They are suitable for occasions of:pre-interference isolation,ground interference elimination,pure digital circuit,voltage isolation conversion, general low frequency analog circuit,relay drive circuit,etc
FEATURES
Specifications
| Selection Guide | ||||||
|
Certification |
Part No. | Input Voltage (VDC) | Output | Full Load Efficiency (%) Min./Typ. | Capacitive Load (µF)* Max. | |
| Nominal (Range) | Voltage (VDC) | Current (mA) Max./Min. | ||||
|
-- | IA1205KS-1WR3 |
12 (11.4-12.6) | ±5 | ±100/±10 | 69/73 | 1200 |
| IA1209KS-1WR3 | ±9 | ±56/±6 | 69/73 | 470 | ||
| IA1212KS-1WR3 | ±12 | ±42/±5 | 69/73 | 220 | ||
| Note: *The specified maximum capacitive load for positive and negative output is identical. | ||||||
| Input Specifications | |||||
| Item | Operating Conditions | Min. | Typ. | Max. | Unit |
| Input Current (full load / no-load) | 12V input | -- | 115/8 | 121/-- |
mA |
| Reflected Ripple Current* | -- | 15 | -- | ||
| Input Filter | Capacitance Filter | ||||
| Hot Plug | Unavailable | ||||
| Note: * Refer to DC-DC Converter Application Notes for detailed description of reflected ripple current test method. | |||||
| Output Specifications | |||||
| Item | Operating Conditions | Min. | Typ. | Max. | Unit |
| Voltage Accuracy | -- | -- | ±3 |
% | |
| Linear Regulation | Input voltage change: ±1% | -- | -- | ±0.25 | |
| Load Regulation | 10%-100% load | -- | -- | ±2 | |
| Ripple & Noise* | 20MHz bandwidth | -- | 30 | 100 | mVp-p |
| Temperature Coefficient | 100% load | -- | ±0.02 | -- | %/℃ |
| Short-circuit Protection | Continuous, self-recovery | ||||
| Note: * The “parallel cable” method is used for Ripple and Noise test, please refer to DC-DC Converter Application Notes for specific information. | |||||
| General Specifications | |||||
| Item | Operating Conditions | Min. | Typ. | Max. | Unit |
| Isolation | Input-output electric strength test for 1 minute with a leakage current of 1mA max. | 1500 | -- | -- | VDC |
| Insulation Resistance | Input-output resistance at 500VDC | 1000 | -- | -- | MΩ |
| Isolation Capacitance | Input-output capacitance at 100kHz/0.1V | -- | 20 | -- | pF |
| Mechanical Specifications | |
| Case Material | Black plastic; flame-retardant and heat-resistant (UL94 V-0) |
| Dimensions | 27.50 × 9.50 × 12.00mm |
| Weight | 5.2g(Typ.) |
| Cooling Method | Free air convection |
