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参数资料
| 型号： | LM2575-12IKTGR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5 |
| 封装： | POWER FLEX, PLASTIC, 5 PIN |
| 文件页数： | 7/13页 |
| 文件大小： | 188K |
| 代理商： | LM2575-12IKTGR |
LM2575
1A SIMPLE STEPDOWN SWITCHING VOLTAGE REGULATOR
SLVS569A JANUARY 2005 REVISED FEBRUARY 2005
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
functional block diagram
Internal
Regulator
On/Off
_
+
_
+
1.23-V
Band-Gap
Reference
52-kHz
Oscillator
Reset
Thermal
Shutdown
Current
Limit
Feedback
4
CIN
+
VIN
1
Unregulated
DC Input
GND
3
Output
2
On/Off
1
COUT
+
D1
L
O
A
D
DS011475-2
VOUT
1-A
Switch
Driver
Fixed-Gain
Error Amp
Comparator
R2
R1
3.3 V, R2 =
5 V, R2 =
12 V, R2 =
15 V, R2 =
For ADJ version R1= Open, R2 = 0
NOTE: Pin numbers are for the TO-220 package.
L1
TYPICAL APPLICATION CIRCUIT (FIXED VERSION)
LM2575-05
7-V – 40-V
Unregulated
DC Input
CIN
100
F
+
+VIN
1
3
GND
5
On/Off
D1
1N5819
Output
2
L1
330
H
COUT
330
F
+
Feedback
4
5-V
Regulated
Output
1-A Load
L2
20
H
C1
100
F
+
Optional Output Ripple Filter
Figure 1
PRODUCT
PREVIEW
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| LM2575S-12TRT | 3.2 A SWITCHING REGULATOR, 62 kHz SWITCHING FREQ-MAX, PSSO5 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM2575-12IKTT | 制造商:TI 制造商全称:Texas Instruments 功能描述:1-A SIMPLE STEP DOWN SWITCHING VOLTAGE REGULATOR |
| LM2575-12IKTTR | 制造商:TI 制造商全称:Texas Instruments 功能描述:1-A SIMPLE STEP DOWN SWITCHING VOLTAGE REGULATOR |
| LM2575-12IN | 制造商:TI 制造商全称:Texas Instruments 功能描述:1-A SIMPLE STEP DOWN SWITCHING VOLTAGE REGULATOR |
| LM2575-12T | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Easy Switcher 1.0 A Step-Down Voltage Regulator(389.50 k) |
| LM2575-12TA5R | 制造商:FCI 制造商全称:First Components International 功能描述:1.0A Step - Down Voltage Switching Regulators 1A output current |
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