参数资料
型号: LM2575-5.0YWM TR
厂商: Micrel Inc
文件页数: 6/12页
文件大小: 0K
描述: IC REG BUCK 5V 1A 24SOIC
标准包装: 1,000
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 5V
输入电压: 4 V ~ 40 V
频率 - 开关: 42kHz ~ 63kHz
电流 - 输出: 1A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
包装: 带卷 (TR)
供应商设备封装: 24-SOIC W
其它名称: LM2575-5.0YWMTR
LM2575-5.0YWMTR-ND
Micrel, Inc.
Test Circuits and Layout Guidelines
FEEDBACK
LM2575
+V IN
1
LM2575
4
OU TPU T
L1
V OUT
5.00V
C IN — 100μF, 75V Aluminum Electrolytic
C OUT — 470μF, 15V Aluminum Electrolytic
U N R E G U L A TE D +
7V - 40V
DC INPUT
100μF
C IN
G ND
3 ON/OFF
5
2
330μH
D1
MBR360
+
C OUT
470μF
R2
R1
L
O
A
D
D1 — Schottky, MBR360
L1 — 330μH, 415-0926 (AIE)
R1 — 1k, 0.01%
R2 — 3.065k, 0.01%
5-pin TO-220 socket —2936 (Loranger Mfg. Co.)
4-pin TO-3 socket —8112-AG7 (Augat Inc.)
FEEDBACK
+V IN
1
LM2575-5.0
4
OU TPU T
L1
V OUT
5.00V
C IN — 100μF, 75V Aluminum Electrolytic
C OUT — 330μF, 15V Aluminum Electrolytic
U N R E G U L A TE D +
7V - 40V
DC INPUT
100μF
C IN
G ND
3 ON/OFF
5
2
330μH
D1
MBR360
+
C OUT
220μF
L
O
A
D
D1 — Schottky, MBR360
L1 — 330μH, 415-0926 (AIE)
5-pin TO-220 socket — 2936 (Loranger Mfg. Co.)
4-pin TO-3 socket — 8112-AG7 (Augat Inc.)
Not e: Pin numbers are for TO-220 Package
Figure 1.
As in any switching regulator, layout is very important.
Rapidly switching currents associated with wiring
inductance generate voltage transient switch can cause
problems. For minimal stray inductance and ground
loops, the length of the leads indicated by heavy lines
should be kept as short as possible. Single-point
grounding (as indicated) or ground plane construction
should be used for best results.
May 2009
6
M9999-051209-B
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