Rohm Switching Regulator Series User Manual

Switching Regulator Series
Step-Down DC/DC Converter
BD9E303EFJ-LB Evaluation Board
BD9E303EFJ-EVK-001
BD9E303EFJ-EVK-001 Evaluation board delivers an output 5.0 volts from an input 7.0 to 36 volts using BD9E303EFJ-LB, a synchronous rectification
step-down DC/DC converter integrated circuit, with output current rating of maximum 3A. The output voltage can be set by changing the external
parts of circuit and the loop-response characteristics also can be adjusted by the phase compensation circuit.
Performance specification
These are representative values, and it is not a guaranteed against the characteristics.
V = 24V, V = 5.0V, Unless otherwise specified.
IN OUT
Parameter
Input Voltage Range
Output Voltage
Output Voltage Setting Range
Output Current Range
Loop Band Width
Phase Margin
Input Ripple Voltage
Output Ripple Voltage
Output Rising Time
Operating Frequency
Maximum Efficiency
×0.06) ≥ 1.0V
(NOTE1) However, (V
IN
© 2016 ROHM Co., Ltd.
Min Typ Max
7.0 36
5.0
(NOTE1)
V ×0.06 V ×0.8
IN IN
0 3
18.2
70.8
300
30
2.2
300
91.1
1/10
User's Guide
Units Conditions
V
R1=30kΩ, R2=7.5kΩ
V
V
A
kHz
degrees
mVpp I = 3A
O
mVpp I = 3A
O
ms
kHz
% I = 1.2A
O
No. 60UG018E Rev.002
APR.2017