- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄376111 > LM2575-3.3 (Motorola, Inc.) EASY SWITCHERE⑩ 1.0 A STEP-DOWN VOLTAGE REGULATOR PDF資料下載
參數(shù)資料
| 型號： | LM2575-3.3 |
| 廠商： | Motorola, Inc. |
| 英文描述： | EASY SWITCHERE⑩ 1.0 A STEP-DOWN VOLTAGE REGULATOR |
| 中文描述： | 易SWITCHERE⑩1.0降壓穩(wěn)壓器 |
| 文件頁數(shù)： | 23/28頁 |
| 文件大?。?/td> | 400K |
| 代理商： | LM2575-3.3 |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁當(dāng)前第23頁第24頁第25頁第26頁第27頁第28頁
LM2575
23
MOTOROLA ANALOG IC DEVICE DATA
THE LM2575–ADJ STEP–DOWN VOLTAGE REGULATOR WITH 8.0 V @ 1.0 A OUTPUT POWER
CAPABILITY. TYPICAL APPLICATION WITH THROUGH–HOLE PC BOARD LAYOUT
C1
C2
C3
D1
L1
L2
R1
R2
–
–
–
–
–
–
–
–
100
μ
F, 50 V, Aluminium Electrolytic
330
μ
F, 16 V, Aluminium Electrolytic
100
μ
F, 16 V, Aluminium Electrolytic
1.0 A, 40 V, Schottky Rectifier, 1N5819
330
μ
H, Tech 39: 77 458 BV, Toroid Core, Through–Hole, Pin 3 = Start, Pin 7 = Finish
25
μ
H, TDK: SFT52501, Toroid Core, Through–Hole
1.8 k
10 k
Figure 38. Schematic Diagram of the 8.0 V @ 1.0 V Step–Down Converter Using the LM2575–Adj
(An additional LC filter is included to achieve low output ripple voltage)
Figure 39. PC Board Component Side
Figure 40. PC Board Copper Side
Vref = 1.23 V
R1 is between 1.0 k and 5.0 k
D1
1N5819
L1
330
μ
H
Output
2
R2
10 k
R1
1.8 k
L2
25
μ
H
Regulated
Output Filtered
Vout2 = 8.0 V @1.0 A
Unregulated
DC Input
C2
330
μ
F
/16 V
C3
100
μ
F
/16 V
C1
100
μ
F
/50 V
LM2575–Adj
1
5
3
ON/OFF
Gnd
+Vin
+Vin = +10 V to + 40 V
4
Feedback
Regulated
Output Unfiltered
Vout1 = 8.0 V @1.0 A
V
out
V
ref
1
R2
R1
+Vout1
+Vin
Gndin
C1
L1
C2
D1
J1
U1 LM2575
L2
C3
+Vout2
R2 R1
Gndout
MOTOROLA
NOTE:
Not to scale.
NOTE:
Not to scale
.
References
National Semiconductor LM2575 Data Sheet and Application Note
National Semiconductor LM2595 Data Sheet and Application Note
Marty Brown “Pratical Switching Power Supply Design”, Academic Press, Inc., San Diego 1990
Ray Ridley “High Frequency Magnetics Design”, Ridley Engineering, Inc. 1995
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM2575-5 | EASY SWITCHERE⑩ 1.0 A STEP-DOWN VOLTAGE REGULATOR |
| LM2575-ADJ | EASY SWITCHERE⑩ 1.0 A STEP-DOWN VOLTAGE REGULATOR |
| LM2575D2T-12 | EASY SWITCHERE⑩ 1.0 A STEP-DOWN VOLTAGE REGULATOR |
| LM2576-12 | Easy Switcher 3.0A Step-Down Voltage Regulator |
| LM2576-15 | Easy Switcher 3.0A Step-Down Voltage Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM257533BT | 制造商:MICREL 功能描述:New |
| LM2575-33IKC | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1-A SIMPLE STEP DOWN SWITCHING VOLTAGE REGULATOR |
| LM2575-33IKTGR | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1-A SIMPLE STEP DOWN SWITCHING VOLTAGE REGULATOR |
| LM2575-33IKTT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1-A SIMPLE STEP DOWN SWITCHING VOLTAGE REGULATOR |
| LM2575-33IKTTR | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1-A SIMPLE STEP DOWN SWITCHING VOLTAGE REGULATOR |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。