Optimizing DC-DC converter stability: AC and transient analysis in simulations of source impedance effects
Learn how to optimize DC-DC converter stability through AC analysis in the frequency-domain and transient analysis in the time-domain
MicroRAM™ output filter
The MicroRAM output ripple attenuation module combines both active and passive filtering to achieve greater than 40dB of noise attenuation from 60Hz to 1MHz. The MicroRAM operates over a range of
The MicroRAM's closed-loop architecture greatly improves load-transient response with dual-mode control and provides precise point-of-load voltage regulation. The MicroRAM supports redundant and parallel operation with its integrated ORing diode function.
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| Part Number | Data Sheet | Power (A) | Operating Temp. | Pin Style | RoHS Compliant | Baseplate | Add to cart / view details | ||
|---|---|---|---|---|---|---|---|---|---|
|
URAM2C12
|
|
Part Number: URAM2C12 |
Data Sheet:
 |
Power (A):
20
|
Operating Temp.:
–20°C to +100°C
|
Pin Style:
Short
|
RoHS Compliant:
No
|
Baseplate:
Threaded
|
View details |
|
URAM2C21
|
|
Part Number: URAM2C21 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–20°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM2C22
|
|
Part Number: URAM2C22 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–20°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Threaded
|
View details |
|
URAM2C23
|
|
Part Number: URAM2C23 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–20°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Through hole
|
View details |
|
URAM2CN1
|
|
Part Number: URAM2CN1 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–20°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM2CN3
|
|
Part Number: URAM2CN3 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–20°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Through Hole
|
View details |
|
URAM2T12
|
|
Part Number: URAM2T12 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Short
|
RoHS Compliant:
No
|
Baseplate:
Threaded
|
View details |
|
URAM2T21
|
|
Part Number: URAM2T21 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM2T22
|
|
Part Number: URAM2T22 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Threaded
|
View details |
|
URAM2T23
|
|
Part Number: URAM2T23 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Through hole
|
View details |
|
URAM2TS1
|
|
Part Number: URAM2TS1 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Short ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM2TN1
|
|
Part Number: URAM2TN1 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM2TN2
|
|
Part Number: URAM2TN2 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Threaded
|
View details |
|
URAM2H12
|
|
Part Number: URAM2H12 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Short
|
RoHS Compliant:
No
|
Baseplate:
Threaded
|
View details |
|
URAM2H21
|
|
Part Number: URAM2H21 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM2H22
|
|
Part Number: URAM2H22 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Threaded
|
View details |
|
URAM2H23
|
|
Part Number: URAM2H23 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Through hole
|
View details |
|
URAM2HS1
|
|
Part Number: URAM2HS1 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Short ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM2HN1
|
|
Part Number: URAM2HN1 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM2HN2
|
|
Part Number: URAM2HN2 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Threaded
|
View details |
|
URAM2HN3
|
|
Part Number: URAM2HN3 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Through hole
|
View details |
|
URAM2M13
|
|
Part Number: URAM2M13 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Short
|
RoHS Compliant:
No
|
Baseplate:
Through hole
|
View details |
|
URAM2M21
|
|
Part Number: URAM2M21 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM2M22
|
|
Part Number: URAM2M22 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Threaded
|
View details |
|
URAM2M23
|
|
Part Number: URAM2M23 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Through hole
|
View details |
|
URAM2MN1
|
|
Part Number: URAM2MN1 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM2MN3
|
|
Part Number: URAM2MN3 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Through hole
|
View details |
|
URAM2CF1
|
|
Part Number: URAM2CF1 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–20°C to +100°C
|
Pin Style:
Short RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Slotted
|
View details |
|
URAM2CG1
|
|
Part Number: URAM2CG1 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–20°C to +100°C
|
Pin Style:
Long RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Slotted
|
View details |
|
URAM2CG2
|
|
Part Number: URAM2CG2 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–20°C to +100°C
|
Pin Style:
Long RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Threaded
|
View details |
|
URAM2CG3
|
|
Part Number: URAM2CG3 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–20°C to +100°C
|
Pin Style:
Long RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Through hole
|
View details |
|
URAM2TF1
|
|
Part Number: URAM2TF1 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Short RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Slotted
|
View details |
|
URAM2TG1
|
|
Part Number: URAM2TG1 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Slotted
|
View details |
|
URAM2HG2
|
|
Part Number: URAM2HG2 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Threaded
|
View details |
|
URAM2MF1
|
|
Part Number: URAM2MF1 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Short RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Slotted
|
View details |
|
URAM2MG1
|
|
Part Number: URAM2MG1 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Long RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Slotted
|
View details |
|
URAM2MG3
|
|
Part Number: URAM2MG3 |
Data Sheet:
|
Power (A):
20
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Long RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Through hole
|
View details |
|
URAM3C11
|
|
Part Number: URAM3C11 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–20°C to +100°C
|
Pin Style:
Short
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM3C21
|
|
Part Number: URAM3C21 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–20°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM3CN1
|
|
Part Number: URAM3CN1 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–20°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM3CN3
|
|
Part Number: URAM3CN3 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–20°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Through Hole
|
View details |
|
URAM3T21
|
|
Part Number: URAM3T21 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM3T22
|
|
Part Number: URAM3T22 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Threaded
|
View details |
|
URAM3T23
|
|
Part Number: URAM3T23 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Through Hole
|
View details |
|
URAM3TS1
|
|
Part Number: URAM3TS1 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Short ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM3TN2
|
|
Part Number: URAM3TN2 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Threaded
|
View details |
|
URAM3TN3
|
|
Part Number: URAM3TN3 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Through Hole
|
View details |
|
URAM3H21
|
|
Part Number: URAM3H21 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM3H23
|
|
Part Number: URAM3H23 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Through Hole
|
View details |
|
URAM3HN1
|
|
Part Number: URAM3HN1 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM3HN2
|
|
Part Number: URAM3HN2 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Threaded
|
View details |
|
URAM3M21
|
|
Part Number: URAM3M21 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM3M22
|
|
Part Number: URAM3M22 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Threaded
|
View details |
|
URAM3M23
|
|
Part Number: URAM3M23 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Long
|
RoHS Compliant:
No
|
Baseplate:
Through Hole
|
View details |
|
URAM3MN1
|
|
Part Number: URAM3MN1 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Slotted
|
View details |
|
URAM3MN2
|
|
Part Number: URAM3MN2 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Threaded
|
View details |
|
URAM3MN3
|
|
Part Number: URAM3MN3 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Long ModuMate
|
RoHS Compliant:
No
|
Baseplate:
Through Hole
|
View details |
|
URAM3CG1
|
|
Part Number: URAM3CG1 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–20°C to +100°C
|
Pin Style:
Long RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Slotted
|
View details |
|
URAM3CG3
|
|
Part Number: URAM3CG3 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–20°C to +100°C
|
Pin Style:
Long RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Through Hole
|
View details |
|
URAM3TG1
|
|
Part Number: URAM3TG1 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Slotted
|
View details |
|
URAM3TG3
|
|
Part Number: URAM3TG3 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Through Hole
|
View details |
|
URAM3HG1
|
|
Part Number: URAM3HG1 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Slotted
|
View details |
|
URAM3HG3
|
|
Part Number: URAM3HG3 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–40°C to +100°C
|
Pin Style:
Long RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Through Hole
|
View details |
|
URAM3MG1
|
|
Part Number: URAM3MG1 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Long RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Slotted
|
View details |
|
URAM3MG3
|
|
Part Number: URAM3MG3 |
Data Sheet:
|
Power (A):
30
|
Operating Temp.:
–55°C to +100°C
|
Pin Style:
Long RoHS
|
RoHS Compliant:
Yes
|
Baseplate:
Through Hole
|
View details |
Power System Designer
Quick product searchWatch demo video
Output
Min output:
Minimum output:
Nom output:
Nominal output:
Max output:
Maximum output:
Features and Benefits
Features and benefits
>40dB ripple attenuation from 60Hz to 1MHz
Significantly improves load transient response
Combined active and passive filtering
20A and 30A ratings
Resources
Resources for the design engineer
Achieving seamless interoperability and long-term upgradeability
Understand which specifications to look for and what tradeoffs will be acceptable, to choose products that best fit your design requirements
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STEP 3D PDF - Micro, short ModuMate, threaded baseplate
STEP 3D PDF - Micro, short ModuMate, through-hole baseplate
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STEP 3D PDF - Micro, long ModuMate, threaded baseplate
STEP 3D PDF - Micro, long ModuMate, through-hole baseplate
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STEP 3D PDF - Micro, short gold pin (RoHS), threaded baseplate
STEP 3D PDF - Micro, short gold pin (RoHS), through-hole baseplate
STEP 3D PDF - Micro, long gold pin (RoHS), slotted baseplate
STEP 3D PDF - Micro, long gold pin (RoHS), threaded baseplate
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