Automotive DC DC converter 6W isolated DC-DC converter in DIP
package Automotive input and regulated single output
Description
CUWB_YMD-6WR3 series are isolated 6W DC-DC products with automotive
input voltage range.They feature eficiencies up to 85%, 150VDC
input to output isolation, operating temperature of -40C to+105C,
input under-voltage protection, output short-circu
over-curent,over-voltage protection.They met level 3 of
EN5025/CISPR 25 EMI standards and they are widely used in
applications such as automobile electronic,industrial
control,electric power
instruments and communication fields.
Feature
Automotive input voltage range
High efficiency up to 85%
No-load power consumption as low as 0.06W 
I/O isolation test voltage 1.5k VDC
Input under-voltage protection, output short-circuit protection,
over-current and over-voltage protection
Operating ambient temperature range: -40C to + 105C
EMI meets automotive standards EN55025/CISPR 25
Standard level 3
Industry standard pin-out
Production process meets IATF16949 system Requirements
Specification
| Selection Guide |
Certification |
Part No. | Input Voltage (VDC) | Output | Full Load Efficiency (%)Min./Typ. | Capacitive Load (µF)Max. |
| Nominal (Range) | Max.① | Voltage (VDC) | Current (mA)Max./Min. |
| 4.5≤Vin＜6 | 6≤Vin≤36 |
EN/BS EN | CUWB1203YMD-6WR3 |
12 (4.5-36) |
40 | 3.3 | 900/0 | 1500/0 | 77/79 | 1800 |
| CUWB1205YMD-6WR3 | 5 | 720/0 | 1200/0 | 81/83 | 1000 |
| CUWB1212YMD-6WR3 | 12 | 300/0 | 500/0 | 83/85 | 470 |
| CUWB1215YMD-6WR3 | 15 | 240/0 | 400/0 | 83/85 | 220 |
| CUWB1224YMD-6WR3 | 24 | 150/0 | 250/0 | 83/85 | 100 |
Notes: ①Absolute maximum stress rating without damage (not
recommended); ②We suggest to connect an external electrolytic capacitor if there
is a spike voltage at the input, details please refer to typical
application circuit. |
| Input Specifications |
| Item | Operating Conditions | Min. | Typ. | Max. | Unit |
Input Current (full load / no-load) | 12VDC nominal input series, nominal input voltage | 3.3V output | -- | 522/5 | 536/ 12 | 
A |
| 5V, 12V, 15V output | -- | 602/5 | 617/ 12 |
| 24V output | -- | 588/ 10 | 602/ 15 |
| Reflected Ripple Current | Nominal input voltage | -- | 20 | -- |
| Surge Voltage (1sec. max.) | 12VDC nominal input series | -0.7 | -- | 50 |
VDC |
| Start-up Voltage | 12VDC nominal input series | -- | -- | 4.5 |
| Input Under-voltage Protection | 12VDC nominal input series | 3 | 3.5 | -- |
| Input Filter | | Pi filter |
| Hot Plug | | Unavailable |
| Output Specifications |
| Item | Operating Conditions | Min. | Typ. | Max. | Unit |
| Voltage Accuracy | 0% - 100% load | -- | ± 1 | ±2 |
% |
| Linear Regulation | Input voltage variation from low to high at full load | -- | ±0.2 | ±0.5 |
| Load Regulation① | 5% - 100% load | -- | ±0.5 | ± 1 |
| Transient Recovery Time |
25% load step change, nominal input voltage | | -- | 300 | 500 | µs |
| Transient Response Deviation | 3.3V/ 5V output | -- | ±5 | ±8 | % |
| Others | -- | ±3 | ±5 |
| Mechanical Specifications |
| Case Material | Aluminum alloy |
| Dimensions | 25.40 x 25.40 x 1 1.70 mm |
| Weight | 14.0g (Typ.) |
| Cooling method | Free air convection |
