Texas Instruments Evaluation Board for the LM5010 LM5010 EVAL/NOPB LM5010 EVAL/NOPB 데이터 시트
제품 코드
LM5010 EVAL/NOPB
J1
C1
C2
C4
C
3
C
5
C6
R1
R2
R
3
R4
D
1
L1
J3
G
N
D
O
U
T
1
O
U
T
2
IN
G
N
D
NATIONAL
SEMICONDUCTOR
SEMICONDUCTOR
LM5010 EVALUATION BD
55101 2308-001 REV B
C2002
U1
R5
C7
User's Guide
SNVA101A – December 2004 – Revised April 2013
AN-1352 LM5010 Evaluation Board
1
Introduction
The LM5010EVAL evaluation board provides the design engineer with a fully functional buck regulator,
employing the constant on-time (COT) operating principle. This evaluation board provides a 10V output
from an input range of 12V - 75V. The circuit provides load currents > 1A, with the current limit set at
employing the constant on-time (COT) operating principle. This evaluation board provides a 10V output
from an input range of 12V - 75V. The circuit provides load currents > 1A, with the current limit set at
≊
1.3A.
The board’s specification are:
•
Input Voltage: 12V to 75V
•
Output Voltage: 10V, ±3%
•
Maximum Continuous Output current: 1.0A
•
Current Limit: 1.3A
•
Measured Efficiency: 93% (V
IN
= 12V, I
OUT
= 500 mA)
•
Switching Frequency:
≊
480 kHz
•
Size: 1.1 in. x 1.875 in. x 0.47 in
Figure 1. Evaluation Board - Top Side
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1
SNVA101A – December 2004 – Revised April 2013
AN-1352 LM5010 Evaluation Board
Copyright © 2004–2013, Texas Instruments Incorporated