CTC DC/DC-CONVERTER

B5WR-XXXXA/DA
B5WR4-XXXXA/DA
B5WR-XXXX/D B5WR4-XXXX/D
B5WR-XXXXC/DC
B5WR4-XXXXC/DC P5WR-XXXX/D

Features: ■ 4:1 Wide Input Range. ■ 5W DIP-24 Package. ■ Input π Filter. ■ Full SMD -Design. ■ High Efficiency up to 85%. ■ UL94V-0 Package Material. ■ Low Ripple and Noise. ■ Continuous Short Circuit Protection, Auto-Restarting. ■ I/O-Isolation 1000Vdc min . ■ Input πFilter. ■ Operating Temperature Range From -40°C to +75°C. ■ Case Temperature 45℃ @ Ta = 25℃ ■Meet CE EN-60950-1 Certified

Description: The B5WR4-xxxx/D series is a wide input voltage range of DC-DC converters offering a single and dual regulated output.24-pin DIP and high efficiency allows an operating temperature of -40°C to +75°C

Electrical Specifications
Input Filter	π type.
Voltage set accuracy		MIN.	TYP.	MAX.
Voltage set accuracy			±1%	±2%
Line Regulation	Low line to High line @ Max. load			0.3%
Load Regulation	20%~100% load			0.6%
Ripple & Noise @ 20MHz BW(Note 1 )	Vin = Nominal Input			50mVp-p
Operating Temperature	Vin = Nominal Input	-40°C		+75°C
Storage Temperature		-50°C		+125°C
Short-Circuit Protection	Continuous , Auto-Restarting
Operating Frequency (Pulse Frequency Modulation ,PFM)	VIN = Nominal Input	200KHZ
Isolation Test Voltage	Tested for 1 second Min	MIN.	TYP.	MAX.
Isolation Test Voltage	Tested for 1 second Min	1000Vdc
Isolation Capacity			60pF
Isolation Resistance		1GΏ
Humidity				95%
MTBF (MIL-HDBK-217F)		8.5*10⁵hours
Case Temperature	Vin = Nominal Input @ Ta= 25°C		⁴⁵^℃

Physical Specifications
Case Material	Non conductive Black Plastic
Potting Material	Epoxy(UL94V-0)
Weight	12.0g

All specifications valid at nominal input voltage , full load @ 25°C after warm-up time unless otherwise stated.

Outline Dimensions

Note:

1. To measure the output ripple & noise with short runs by 0.1uF/50V @ 20MHz nominal input

and full load. Please see as below :