參數(shù)資料
型號: LM2576D2T-12
廠商: MOTOROLA INC
元件分類: 穩(wěn)壓器
英文描述: EASY SWITCHERE⑩ 3.0 A STEP-DOWN VOLTAGE REGULATOR
中文描述: 3 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5
封裝: PLASTIC, D2PAK-5
文件頁數(shù): 22/26頁
文件大小: 278K
代理商: LM2576D2T-12
LM2576
http://onsemi.com
22
THE LM25765 STEPDOWN VOLTAGE REGULATOR WITH 5.0 V @ 3.0 A OUTPUT POWER CAPABILITY.
TYPICAL APPLICATION WITH THROUGHHOLE PC BOARD LAYOUT
Figure 35. Schematic Diagram of the LM25765 StepDown Converter
D1
1N5822
L1
150 H
Output
2
4
Feedback
Unregulated
DC Input
+V
in
= 7.0 to 40 V
C
out
1000 F
/16 V
C1
100 F
/50 V
LM25765
1
5
3
ON/OFF
GN
D
+V
in
ON/OFF
Regulated Output
V
out1
= 5.0 V @ 3.0 A
GND
in
GND
out
C1
C2
D1
L1
100 F, 50 V, Aluminium Electrolytic
1000 F, 16 V, Aluminium Electrolytic
3.0 A, 40 V, Schottky Rectifier, 1N5822
150 H, RL2444, Renco Electronics
Figure 36. Printed Circuit Board Layout
Component Side
Figure 37. Printed Circuit Board Layout
Copper Side
LM2576
U1
D1
C1
C2
L1
+
+
V
ou
t
GND
out
GND
i
n
+V
in
ON/OFF
0
NOTE: Not to scale.
NOTE: Not to scale.
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LM2576D2T-15 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:EASY SWITCHERE⑩ 3.0 A STEP-DOWN VOLTAGE REGULATOR
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LM2576D2T-3.3G 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3.3V 3A Buck PWM RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
LM2576D2T-5 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Easy Switcher 3.0A Step-Down Voltage Regulator