BMA1 / BMB1 Series

1 Watt Isolated DC-DC Converter

Dual

Dual

Dual

Dual Output

Output

Output

Output

2

4 . Nominal Input/Output Electrical Specifications

(Specifications typical at Ta= +25℃

℃

℃

℃

,Nominal input voltage, Rated output current unless otherwise noted)

Parameter

Condition

Min.

Typ.

Max.

Unit

Input Voltage Range

48V nominal Input

43.2

48

52.8

Vdc

Output Voltage Accuracy

---

---

± 5.0

Load Regulation(10% load to full load)

---

---

± 10

Voltage Balance (Dual Outputs)

---

---

± 1.0

Unbalanced load 10% to 100% full load

---

---

±15

%

Switching Frequency

---

100

---

KHz

Temperature Coefficient

Nominal Input

---

± 0.01

± 0.02

%/ ℃

Isolation Voltage

60 Second / 0.5 mA

1000

---

---

Vdc

Isolation Resistance

500 Vdc

1000

---

---

MΩ

Isolation Capacitance

1KHz / 250mV rms

---

30

---

pF

Max. Line Regulation (Per 1.0 % change in input change)

---

---

1.3

%

5 . General Specification

Parameter

Specification

Condition

Isolation Voltage

1000 Vdc

Test Duration 60 Seconds / 0.5 mA

Isolation Resistance

1000 MΩ Min.

@ 500 Vdc

Operating Temperature (1)

-40℃ ~ +85℃

@ Ambient Temperature With Natural Convention

Operating Temperature (2)

-40℃ ~ +95℃

@ Case Surface Temperature

Storage Temperature

-55℃ ~ +105℃

---

Humidity

Up To 90 %

---

Cooling

Free Air Convection

---

Case Type

Plastic

---

6. Ordering Information

7 . Power Derating Curve

Temperature derating graph

100

-40 -20

0

20

40

60

80

120

25%

50%

75%

100%

125%

85

85

85

85

Temperature Derating Graph

Operating Ambient Temperature(°C)

BMA1-xxD1

Device Family

Input Voltage

Output Voltage:"0"For 3.3V;"1"For

5V;"A"For 9V;"2"For 12V;"3"For 15V

"A"For SIL Package;"B"For DIL Package

"S"For Single Output;"D" For Dual Output

Output Power

BOTHHAND USA sales@bothhandusa.com