⎪

Wide 4:1 input range voltageIndustrial control

300W power in industrial standard half brickElectric powerpackageRailway solution



Fixed switching frequency

Battery management system

Continuous short circuit protection

Automation power applicationOver temperature protection, Over voltage



Datacom application

protection, Over load protection, input undervoltage lockout, and remote ON/OFF control
function
Design meet EN62368-1 standardPart Number

Input voltage

Output voltage

Output current@ full load

Ripple & Noise(1)No-loadInput currentEfficiency(2)(typ.)

Capacitive load(3)(max.)

12Vdc

25000mA

120mVp-p

50mA

86.5%

8800μF

15Vdc

20000mA

150mVp-p

50mA

87%

8800μF

24Vdc

12500mA

300mVp-p

50mA

86%

4300μF

48Vdc

6250mA

480mVp-p

70mA

87%

1500μF

PH300WR4-2412J

PH300WR4-2415J
9-36Vdc
PH300WR4-2424J

Nom. 24Vdc

PH300WR4-2448J

1.

(1)

Ripple & Noise measured with 20MHZ BW at nominal input voltage 0%~100% load with E-cap 47μF/100V +X7R MLCC 0.47μF/100V.

2.

(2)

The efficiency is test by nominal input and max. full load @25°C.

3.

(3)

4.

Special input and output voltage combinations available by request, please check with our sales.

The capacitive load is tested by nominal input and constant resistive load.

PH300WR4–2415J
PowerWideinput range

Input
voltage

Outputvoltage

CTC is the professional and one among world’s leading manufacturers of DC-DC/ AC-DC converters.
The products were used in Computers, Industrial controls, Medical equipment, Transportation, EV, ECO-power, Aero-space application and communication.
⎢T07-7017088⎢F07-7017063⎢

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∣Parameter∣⎪Conditions

Min.

Typ.

Input filter
936

VDC

200mS

Start-up time

100% load @ Nominal Vin

Under voltage lockout

0%~100% load

7.0

VDC

Start-up voltage

0%~100% load

9.0

VDC

Input surge voltage

1s. Max

Remote ON/OFF50

DC-DC onOpen or 3V < Vr < 12V

DC-DC off

Short or 0V < Vr < 1.2V

Voltage accuracy
Voltage adjustability(0%~100% load at Vin range
Pout≦max rated power)

OutputUnit

LC type

Input voltage range

Input

Max.

±1%

24Vout-10+10%12V/ 15Vout at 12~36Vin range-10+10%

48Vout at 12~36Vin range-10+15%

Line regulation

LL-HL at 100% load

±0.2%

Load regulation

0%-100% load

±0.5%

0%

Minimum load
Temperature coefficient

Environment

0.05%/˚C

Transient response recovery time

25% load step change(75%-100% load)

500μsOperating frequency

100% Load at Nominal Vin

250

KHz

Operating temperature-40100˚C

Storage temperature

-55

125

˚C105

˚C

95%RH

Baseplate temperature
Relative Humidity

5MTBF (MIL-HDBK-217F)+25˚C150KHrs

Vibration

MIL-STD-202G

Isolation voltage

60 sec., Input to output
DC Isolation cut-off current: 1mA

3000

VDC

AC Isolation cut-off current: 5mA

2000

VAC

60 sec., Input (Output) to case
DC Isolation cut-off current: 1mA

1600

VDC

AC Isolation cut-off current: 5mA

1000

VAC

1000

MΩ

Isolation resistance
Isolation capacitance
Function

VDC

4700

Over load protection

150

Short Circuit Protection%

Continuous, automatic recovery

Over voltage protection
Shutdown

Over temperature protection

12Vout

13.4

19.2

VDC

15Vout16.8

24.0

VDC24Vout

26.9

38.4

VDC

48Vout56.2

67.2

VDC110˚CTc (Case Temperature)

Safety Standard

EN62368-1

CTC is the professional and one among world’s leading manufacturers of DC-DC/ AC-DC converters.
The products were used in Computers, Industrial controls, Medical equipment, Transportation, EV, ECO-power, Aero-space application and communication.
⎢TpF07-7017088⎢

F07-7017063⎢

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sales@ctc-dc-dc.com

∣∣⎪Dimension

57.9 (L) x 61.0 (W) x 12.7 (H) mmWeight
PhysicalEMC

120g

Case material

Aluminum Baseplate with Plastic Case

Potting material

SiliconCooling method

Nature Convection

EMIEN 55032

ESD

EN61000-4-2,Air±8kV; Contact±6kV

Criteria A

Radiated immunity

EN61000-4-3, 10 V/m

Criteria A

Fast transient (1)EN61000-4-4, ±2kV

Criteria ASurge (1)EN61000-4-5, ±2kV

Criteria A

Conducted immunity

EN61000-4-6, 10 V/rms

Criteria A

Magnetic field immunity

EN61000-4-8, 10 A/m

Criteria A

Class A/B with external circuit

1. External input capacitor required 1000μF/100V.
3. All specifications valid at nominal input voltage, full load and 25˚C after warm-up time unless otherwise stated.
4..The product information and specifications are subject to change without prior notice.
(1)

PH300WR4-2412J

1208080

Load (%)

100

Load (%)

10060

60

404020200-40 0 1020 30

4050 60

70 80

PH300WR4-2415J

120

90 100 110(˚C)

0-40 0 1020 30

Load (%)

PH300WR4-2424J
120120

100

10080

80

60

60

4040

20200-40 0 1020 30

4050 60

70 80

90 100 110(˚C)

04050 60

70 80

90 100 110(˚C)

90 100 110(˚C)

PH300WR4-2448J-40 0 1020 304050 6070 80

The derating curve was measured at nominal input voltage with natural convection.

CTC is the professional and one among world’s leading manufacturers of DC-DC/ AC-DC converters.
The products were used in Computers, Industrial controls, Medical equipment, Transportation, EV, ECO-power, Aero-space application and communication.
⎢T07-7017088⎢

F07-7017063⎢

www.powerctc.com⎢

sales@ctc-dc-dc.com

∣

∣

⎪

Derating curve for input voltage
PH300WR4-2412J
120

100

10080

Load (%)

Load (%)

80604060454020200 0PH300WR4-2415J

120189 10Input Voltage (V)27280 036

9 101836

Input Voltage (V)CTC is the professional and one among world’s leading manufacturers of DC-DC/ AC-DC converters.
The products were used in Computers, Industrial controls, Medical equipment, Transportation, EV, ECO-power, Aero-space application and communication.
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∣

++Vin

Vout-∣⎪

47μF 0.47μF-Ground Lead

Measured with 20MHz bandwidth and E-Cap 47μF/100V +X7R MLCC 0.47μF/100V

Trim up

Formula for trim resistor:

Trim down

UP:Ru=aR2𝑅2 −a+Vout

Vref
R2Rd

R1

R1
R3Trim

Vref

RU

DOWN:

Trim

R3𝑏𝑅1
𝑅1 −𝑏

𝑉𝑜 −𝑉𝑟𝑒𝑓− 𝑅3b=∙ 𝑅1𝑉𝑜′ −𝑉𝑟𝑒𝑓
𝑉𝑟𝑒𝑓

∙ 𝑅2

Note:
1.Ru, Rd is mean trim resistor, please check the formula.
2.a & b: user define parameter, no actual meanings.

R2-Vout

Rd=𝑉𝑟𝑒𝑓a= ′− 𝑅3

3. 𝑉𝑜′ is mean trim up/down voltage.
4. Value for R1, R2, R3 and Vref refer to below table.

Vout

Vref

R1

R2

R312V
15V

2.50V

38.0KΩ

10.0KΩ

68.0KΩ

2.50V

50.0KΩ

10.0KΩ

68.0KΩ

24V

1.24V

103.0KΩ

5.6KΩ

51.0kΩ

48V

2.50V

36.4KΩ

2.0KΩ

12.4kΩ

CTC is the professional and one among world’s leading manufacturers of DC-DC/ AC-DC converters.
The products were used in Computers, Industrial controls, Medical equipment, Transportation, EV, ECO-power, Aero-space application and communication.
⎢T07-7017088⎢

F07-7017063⎢

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sales@ctc-dc-dc.com

∣∣

C1

C2

C3

C4

KYA
220μF/100VDC

MLCC
1μF/50VDC

KYA
220μF/100VDC

MLCC
1μF/50VDC

C9C10C11C12MLCC4700PF/2KVDC⎪C5C6MLCC
MLCC
4700PF/2KVDC X 4 4700PF/2KVDC X 4MLCC
MLCC
MLCC
4700PF/2KVDC 4700PF/2KVDC X 4 4700PF/2KVDC X 4C7C8MLCC
4700PF/2KVDC

MLCC
4700PF/2KVDC

C13C14L1MLCC
47μF/50VDC

MLCC
0.1μF/50VDC

A10 T22X14X101.3mH

C5C6C7C8MLCC
4700PF/2KVDC

MLCC
4700PF/2KVDC

EMI CLASS A - PH300WR4-2415
C1C2C3C4KYA
220μF/100VDC

MLCC
1μF/50VDC

KYA
220μF/100VDC

MLCC
1μF/50VDC

C9C10C11C12MLCC4700PF/2KVDC

MLCC
MLCC
4700PF/2KVDC X 6 4700PF/2KVDC X 6MLCC
MLCC
MLCC
4700PF/2KVDC 4700PF/2KVDC X 6 4700PF/2KVDC X 6C13C14L1

MLCC
4.7μF/100VDC

MLCC
0.1μF/100VDC

A10 T22X14X10
1.3mH

EMI CLASS A - PH300WR4-2448

CTC is the professional and one among world’s leading manufacturers of DC-DC/ AC-DC converters.
The products were used in Computers, Industrial controls, Medical equipment, Transportation, EV, ECO-power, Aero-space application and communication.
⎢T07-7017088⎢F07-7017063⎢

www.powerctc.com⎢sales@ctc-dc-dc.com

∣∣⎪EMI CLASS A - PH300WR4-2424

C1C2C3C4C5C6C7C8C9KYA
220μF/100VDC

MLCC
1μF/50VDC

KYA
220μF/100VDC

MLCC
1μF/50VDC

KYA
220μF/100VDC

MLCC
1μF/50VDC

MLCC
4.7μF/50VDC

MLCC
0.1μF/50VDC

MLCC
2200PF/3KVDC

C10C11C12CY1CY2CY3CY4L1L2NC

A10
T22X14X101.3mH

A10
T22X14X101.3mH

MLCC
2200PF/3KVDC

MLCC
MLCC
MLCC
MLCC
2200PF/3KVDC X 5 2200PF/3KVDC X 52200PF/3KVDC 2200PF/3KVDC
parallelparallelNC

CTC is the professional and one among world’s leading manufacturers of DC-DC/ AC-DC converters.
The products were used in Computers, Industrial controls, Medical equipment, Transportation, EV, ECO-power, Aero-space application and communication.
⎢T

07-7017088⎢

F07-7017063⎢

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sales@ctc-dc-dc.com

∣

∣

⎪

Pin2 Remote ON/OFF0.1μF/MLCC

Pin4 -Vin

Pin

Function

1+Vin

2

CTRL

3

Case

4-Vin

5-Vout6-Sense

7Trim

8+Sense9+Vout

CTC is the professional and one among world’s leading manufacturers of DC-DC/ AC-DC converters.
The products were used in Computers, Industrial controls, Medical equipment, Transportation, EV, ECO-power, Aero-space application and communication.
⎢T07-7017088⎢

F07-7017063⎢

www.powerctc.com⎢

sales@ctc-dc-dc.com

∣

∣

⎪

CTC is the professional and one among world’s leading manufacturers of DC-DC/ AC-DC converters.
The products were used in Computers, Industrial controls, Medical equipment, Transportation, EV, ECO-power, Aero-space application and communication.
⎢T07-7017088⎢

F07-7017063⎢

www.powerctc.com⎢

sales@ctc-dc-dc.com