B9 LF - Series

2 Watt Isolated DC-DC Converter

Low Enable Dual Output

2

Bothhand

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.com

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3 . Absolute Maximum Ratings

(Exceeding these values may damage the module. These are not continuous operating ratings)

Parameter

Condition

Min.

Typ.

Max.

Unit

12V Input Model

-0.7

12

22.5

24V Input Model

-0.7

24

45

Input Absolute Voltage Range

48V Input Model

-0.7

48

85

Vdc

Output Short Circuit Duration

Nominal Input Range

Indefinite & Auto-Restart

Reverse Polarity Input Current Limit

---

---

---

1

A

Operation Temperature (Ambient

Temperature)

Output Full Load

-25

---

+71

Storage Temperature

-55

---

+105

℃

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

12V Input Model

9

12

18

24V Input Model

18

24

36

Input Voltage Range

48V Input Model

36

48

75

Vdc

Line Regulation

Output Full Load

---

---

± 0.5

Load Regulation

Single Output Model

---

---

± 2

Output Voltage Accuracy

Nominal Input

---

± 1.0

± 2.0

%

Switching Frequency

---

150

---

KHz

Temperature Coefficient

Nominal Input

---

± 0.01

± 0.02

% / ℃

Isolation Voltage

60 Seconds / 0.5 mA

1000

---

---

Vdc

Isolation Resistance

500 Vdc

1000

---

---

MΩ

No Connection (Floating)

Output Voltage=>Hi

0

---

0.4

Low Enable Signal Logic Level

Pin3

(Ve)

Output Voltage=>Low

2.5

---

5.0

Vdc