
The Cool-Power family’s very high-density isolated DC-DC converters are built on a proprietary ZVS topology using advanced control silicon integration, state-of-the-art planar magnetics and high-performance power semiconductor technology enabling high-switching frequencies.
The Cool-Power® PI3101 operates over a wide range input of 36 V to 75 Vdc, delivering 60 W of output power (3.3 Vout @ 18 A), yielding an unprecedented power density of 400 W/in3. The PI3101 is available in a space saving surface mountable 0.87″ x 0.65″ x 0.27″ package, achieving ~50% space reduction versus conventional solutions.
- 24 V (18 – 36 V)
- Withstands 100 V / 100 ms
- 3.3 V Regulated (+/-3% over line / load / temp.)
- 18 A / 60 W
- Up to 89%
- 2250 V
- Vout +/-10%
- 0.87″ (l) x 0.65″ (w) x 0.265″ (h)22 mm (l) x 16.5 mm (w) x 6.7 mm (h)
- Power density 105 W/in2 & 400 W/in3 (16.5 W/cm2 & 25 W/cm3)
- Very low profile (0.265 in / 6.7 mm)
- Combines Isolation, Output Regulation & Voltage Transformation into one high density, surface mount Power-System-in-Package (PSiP)
- Built on proprietary ZVS topology using state-of-the-art technologies to enable switching frequencies in excess of 1 MHz, enabling very small size (0.57in2)
- Programmable soft-start, remote on/off ENABLE, accurate temperature monitor function.
- Input over-voltage & under-voltage lockout with auto-restart.
- Over-temperature and output over-voltage protection with auto-restart
- Dual current limit threshold to protect against short circuits and overload conditions
- Simple solution with very few external components
- Cool Power Family Data Sheet – Isolated DC-DC Converter
- PI3101 Data Sheet

The Cool-Power family’s very high-density isolated DC-DC converters are built on a proprietary ZVS topology using advanced control silicon integration, state-of-the-art planar magnetics and high-performance power semiconductor technology enabling high-switching frequencies.
The Cool-Power® PI3105 operates over a wide range input of 36 V to 75 Vdc, delivering 60 W of output power (12 Vout @ 5 A), yielding an unprecedented power density of 400 W/in3. The PI3105 is available in a space saving surface mountable 0.87″ x 0.65″ x 0.27″ package, achieving ~50% space reduction versus conventional solutions.
- 48 V (36 – 75 V)
- Withstands 100 V / 100 ms
- 12 V Regulated (+/-3% over line / load / temp.)
- 5 A / 60 W
- Up to 89%
- 2250 V
- Vout +/-10%
- 0.87″ (l) x 0.65″ (w) x 0.265″ (h)22 mm (l) x 16.5 mm (w) x 6.7 mm (h)
- Power density 105 W/in2 & 400 W/in3 (16.5 W/cm2 & 25 W/cm3)
- Very low profile (0.265 in / 6.7 mm)
- Combines Isolation, Output Regulation & Voltage Transformation into one high density, surface mount Power-System-in-Package (PSiP)
- Built on proprietary ZVS topology using state-of-the-art technologies to enable switching frequencies in excess of 1 MHz, enabling very small size (0.57in2)
- Programmable soft-start, remote on/off ENABLE, accurate temperature monitor function.
- Input over-voltage & under-voltage lockout with auto-restart.
- Over-temperature and output over-voltage protection with auto-restart
- Dual current limit threshold to protect against short circuits and overload conditions
- Simple solution with very few external components
- Cool Power Family Data Sheet – Isolated DC-DC Converter
- PI3105 Data Sheet

The Cool-Power family’s very high-density isolated DC-DC converters are built on a proprietary ZVS topology using advanced control silicon integration, state-of-the-art planar magnetics and high-performance power semiconductor technology enabling high-switching frequencies.
The Cool-Power® PI3106 is a very high density isolated DC-DC converter implementing high efficiency soft-switching powerarchitecture. The PI3106 operates over a wide range input of 18 V to 36 Vdc, delivering 50 W of output power (12 Vout @ 4.2 A), yielding an unprecedented power density of 334 W/in3. The PI3106 is available in a space saving surface mountable 0.87″ x 0.65″ x 0.27″ package, achieving ~50% space reduction versus conventional solutions.
- 24 V (18 – 36V)
- 12V Regulated (+/-3% over line / load / temp.)
- 4.2 A / 50 W
- Up to 88%
- 2250 V
- Vout +10/-20%
- 0.87″ (l) x 0.65″ (w) x 0.265″ (h)22 mm (l) x 16.5 mm (w) x 6.7 mm (h)
- -40 to 125°C
- -50 to 125°C
- Power density 88 W/in2 & 334 W/in3 (14 W/cm2 & 20 W/cm3)
- Very low profile (0.265 in / 6.7 mm)
- Combines Isolation, Output Regulation & Voltage Transformation into one high density, surface mount Power-System-in-Package (PSiP)
- Built on proprietary ZVS topology using state-of-the-art technologies to enable switching frequencies in excess of 1 MHz, enabling very small size (0.57in2)
- Programmable soft-start, remote on/off ENABLE, accurate temperature monitor function.
- Input over-voltage & under-voltage lockout with auto-restart.
- Over-temperature and output over-voltage protection with auto-restart
- Dual current limit threshold to protect against short circuits and overload conditions
- Simple solution with very few external components
- PI3106-01-HVIZ Data Sheet – DC-DC Converter

The Cool-Power family’s very high-density isolated DC-DC converters are built on a proprietary ZVS topology using advanced control silicon integration, state-of-the-art planar magnetics and high-performance power semiconductor technology enabling high-switching frequencies.
The Cool-Power® PI3109 operates over a wide range input of 18 V to 36 Vdc, delivering 50 W of output power (5 Vout @ 10 A), yielding an unprecedented power density of 334 W/in3. The PI3101 is available in a space saving surface mountable 0.87″ x 0.65″ x 0.27″ package, achieving ~50% space reduction versus conventional solutions.
- 24 V (18 – 36 V)
- Withstands 100 V / 100 ms
- 5 V Regulated (+/-3% over line / load / temp.)
- 10 A / 50 W
- Up to 89%
- 2250 V
- Vout +/-10%
- 0.87″ (l) x 0.65″ (w) x 0.265″ (h)22 mm (l) x 16.5 mm (w) x 6.7 mm (h)
- Power density 88 W/in2 & 334 W/in3 (16.5 W/cm2 & 25 W/cm3)
- Very low profile (0.265 in / 6.7 mm)
- Combines Isolation, Output Regulation & Voltage Transformation into one high density, surface mount Power-System-in-Package (PSiP)
- Built on proprietary ZVS topology using state-of-the-art technologies to enable switching frequencies in excess of 1 MHz, enabling very small size (0.57in2)
- Programmable soft-start, remote on/off ENABLE, accurate temperature monitor function.
- Input over-voltage & under-voltage lockout with auto-restart.
- Over-temperature and output over-voltage protection with auto-restart
- Dual current limit threshold to protect against short circuits and overload conditions
- Simple solution with very few external components
- Cool Power Family Data Sheet – Isolated DC-DC Converter
- PI3109 Data Sheet

The Cool-Power family’s very high-density isolated DC-DC converters are built on a proprietary ZVS topology using advanced control silicon integration, state-of-the-art planar magnetics and high-performance power semiconductor technology enabling high-switching frequencies.
The Cool-Power® PI3110 operates over a wide range input of 41 V to 57 Vdc, delivering 60 W of output power (18 Vout @ 3.3 A), yielding an unprecedented power density of 400 W/in3. The PI3101 is available in a space saving surface mountable 0.87″ x 0.65″ x 0.27″ package, achieving ~50% space reduction versus conventional solutions.
- 52 V (41 – 57 V)
- Withstands 100 V / 100 ms
- 18 V Regulated (+/-3% over line / load / temp.)
- 3.3 A / 60 W
- Up to 89%
- 2250 V
- Vout +/-10%
- 0.87″ (l) x 0.65″ (w) x 0.265″ (h)22 mm (l) x 16.5 mm (w) x 6.7 mm (h)
- Power density 105 W/in2 & 400 W/in3 (16.5 W/cm2 & 25 W/cm3)
- Very low profile (0.265 in / 6.7 mm)
- Combines Isolation, Output Regulation & Voltage Transformation into one high density, surface mount Power-System-in-Package (PSiP)
- Built on proprietary ZVS topology using state-of-the-art technologies to enable switching frequencies in excess of 1 MHz, enabling very small size (0.57in2)
- Programmable soft-start, remote on/off ENABLE, accurate temperature monitor function.
- Input over-voltage & under-voltage lockout with auto-restart.
- Over-temperature and output over-voltage protection with auto-restart
- Dual current limit threshold to protect against short circuits and overload conditions
- Simple solution with very few external components
- Cool Power Family Data Sheet – Isolated DC-DC Converter
- PI3110 Data Sheet