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LM2576T-3.3 参数 Datasheet PDF下载

LM2576T-3.3图片预览
型号: LM2576T-3.3
PDF下载: 下载PDF文件 查看货源
内容描述: 稳压器是单片集成电路,提供所有活动功能的降压型开关 [regulators are monolithic integrated circuits that provide all the active functions for a step-down switching]
分类和应用: 稳压器开关
文件页数/大小: 8 页 / 227 K
品牌: TGS [ Tiger Electronic Co.,Ltd ]
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LM2576 Series  
Block Diagram  
VIN  
ON/OFF  
INTERNAL  
REGULATOR  
UNREGULATED  
DCINPUT  
1
4
ON/OFF  
5
+
CIN  
FIXED GAIN  
ERRORAMP  
FEED-  
BACK  
R2  
3 AMP  
DRIVER  
SWITCH  
COMPARATOR  
+
-
+
-
R1  
1.0k  
OUTPUT  
L1  
VOUT  
2
3
+
L
O
A
D1  
COUT  
1.23V  
BAND-GAP  
REFERENCE  
52kHZ  
OSCILLATOR  
D
THERMAL  
SHUTDOWN  
CURRENT  
LIMIT  
RESET  
GND  
3.3V, R2 =1.7K  
5V, R2 = 3.1K  
12V, R2 = 8.84K  
15V, R2 =11.3K  
For ADJ, Version  
R1 = Open, R2 =0  
Ordering information  
Temperature  
Output Voltage, V  
12  
Package Type  
Range  
3.3  
5.0  
15  
ADJ  
-40°C TA  
125°C  
TO-263  
TO-220  
LM2576SX-3.3  
LM2576SX-5.0  
LM2576T-5.0  
LM2576SX-12  
LM2576T-12  
LM2576SX-15 LM2576SX-ADJ  
LM2576T-15 LM2576T-ADJ  
LM2576T-3.3  
TIGER ELECTRONICS CO.,LTD  
2