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| Categories | Medical DC DC Converter | 
|---|---|
| Brand Name: | MORNSUN | 
| Model Number: | A03_S-1WR3& B03_LS-1WR3 series | 
| Certification: | CE | 
| Place of Origin: | China | 
| MOQ: | 100PCS | 
| Price: | Negotiated | 
| Payment Terms: | T/T | 
| Packaging Details: | Carton packed | 
| Input voltage: | 3.3VDC | 
| Package: | SMD package | 
| Case Material: | Black plastic; flame-retardant and heat-resistant (UL94V-0) | 
| Dimensions: | 19.65 x 6.00 x 10.16mm | 
| Weight: | 2.1g(Typ.) | 
| Cooling methods: | Free air convection | 
| Company Info. | 
| KHC Power Technology Co.,Ltd | 
| View Contact Details | 
| Product List | 
1W isolated DC-DC converter Fixed input voltage, unregulated single output
Description
A03_S-1WR3 & B03_LS-1WR3 series are specially designed for applications where an isolated(two isolated)voltage is required in a distributed power supply system.They are suitable for:pure digital circuits,low frequency analog circuits,relay-driven circuits and data switching circuits.
FEATURES
Continuous short-circuit protection
No-load input current as low as 10mA
Operating ambient temperature range: -40℃ to +105℃
High efficiency up to 85%
I/O isolation test voltage: 1.5k VDC
Industry standard pin-out
SIP package
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. | ||||
| -- | A0303S-1WR3 | 3.3 (2.97-3.63) | ±3.3 | ±152/±15 | 74/78 | 1200 | 
| A0305S-1WR3 | ±5 | ±100/±10 | 78/82 | 1200 | ||
| A0309S-1WR3 | ±9 | ±56/±6 | 81/85 | 470 | ||
| A0312S-1WR3 | ±12 | ±42/±5 | 78/82 | 220 | ||
| A0315S-1WR3 | ±15 | ±34/±4 | 78/82 | 220 | ||
| A0324S-1WR3 | ±24 | ±21/±2 | 80/84 | 100 | ||
| B0303LS-1WR3 | 3.3 | 303/30 | 75/79 | 2400 | ||
| B0305LS-1WR3 | 5 | 200/20 | 78/82 | 2400 | ||
| B0309LS-1WR3 | 9 | 111/11 | 81/85 | 1000 | ||
| B0312LS-1WR3 | 12 | 83/8 | 78/82 | 560 | ||
| B0315LS-1WR3 | 15 | 67/7 | 78/82 | 560 | ||
| B0324LS-1WR3 | 24 | 42/4 | 80/84 | 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) | 3.3VDC input | 3.3VDC output | -- | 384/10 | 405/-- | mA | 
| Others output | -- | 370/18 | 389/-- | |||
| Reflected Ripple Current* | -- | 15 | -- | |||
| Surge Voltage (1sec. max.) | 3.3 VDC input | -0.7 | -- | 5 | VDC | |
| 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 | See output regulation curve(Fig. 1) | |||||
| Linear Regulation | Input voltage change: ±1% | 3.3 VDC output | -- | -- | ±1.5 | -- | 
| Other output | -- | -- | ±1.2 | |||
| Load Regulation | 10%-100% load | 3.3VDC output | -- | 12 | 18 | % | 
| Others output | -- | 8 | 15 | |||
| Ripple & Noise* | 20MHz bandwidth | 3.3VDC/5VDC/9VDC/ 12VDC/15VDC output | -- | 30 | 75 | mVp-p | 
| 24VDC output | -- | 50 | 100 | |||
| 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. | ||||||
| Mechanical Specifications | |
| Case Material | Black plastic; flame-retardant and heat-resistant (UL94 V-0) | 
| Dimensions | 19.65 x 6.00 x 10.16mm | 
| Weight | 2.1g(Typ.) | 
| Cooling methods | Free air convection | 

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