參數(shù)資料
型號(hào): LM2574M-12
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SIMPLE SWITCHER⑩ 0.5A Step-Down Voltage Regulator
中文描述: 1.8 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDSO14
封裝: SMT-14
文件頁數(shù): 14/24頁
文件大?。?/td> 397K
代理商: LM2574M-12
LM2574
14
MOTOROLA ANALOG IC DEVICE DATA
Table 1. Diode Selection Guide gives an overview about through–hole diodes
for an effective design. Device listed in bold are available from Motorola
VR
1.0 Amp Diodes
Schottky
Fast Recovery
20 V
1N5817
MBR120P
30 V
1N5818
MBR130P
MUR110
(rated to 100 V)
40 V
1N5819
MBR140P
50 V
MBR150
60 V
MBR160
Table 2. Inductor Selection Guide
Inductor
Value
Pulse Engineering
Tech 39
Renco
NPI
68
μ
H
*
55 258 SN
RL–1284–68
NP5915
100
μ
H
*
55 308 SN
RL–1284–100
NP5916
150
μ
H
52625
55 356 SN
RL–1284–150
NP5917
220
μ
H
52626
55 406 SN
RL–1284–220
NP5918/5919
330
μ
H
52627
55 454 SN
RL–1284–330
NP5920/5921
470
μ
H
52628
*
RL–1284–470
NP5922
680
μ
H
52629
55 504 SN
RL–1284–680
NP5923
1000
μ
H
52631
55 554 SN
RL–1284–1000
*
1500
μ
H
*
*
RL–1284–1500
*
2200
μ
H
*
*
RL–1284–2200
*
* : Contact Manufacturer
Table 3. Example of Several Inductor Manufacturers Phone/Fax Numbers
Pulse Engineering Inc.
Phone
Fax
+
+
1–619–674–8100
1–619–674–8262
Pulse Engineering Inc. Europe
Phone
Fax
+
+
353–9324–107
353–9324–459
Renco Electronics Inc.
Phone
Fax
+
+
1–516–645–5828
1–516–586–5562
Tech 39
Phone
Fax
+
+
33–1–4115–1681
33–1–4709–5051
NPI/APC
Phone
Fax
+ 44–634–290–588
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LM2574N-ADJ SIMPLE SWITCHER⑩ 0.5A Step-Down Voltage Regulator
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參數(shù)描述
LM2574M-12/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LM2574M-12/NOPB 制造商:Texas Instruments 功能描述:DC/DC Converter IC
LM2574M-15 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER⑩ 0.5A Step-Down Voltage Regulator
LM2574M-15/NOPB 功能描述:IC REG BUCK 15V 0.5A 14SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:SIMPLE SWITCHER® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:降壓(降壓) 輸出類型:固定 輸出數(shù):1 輸出電壓:3.3V 輸入電壓:4.5 V ~ 24 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:125mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 包裝:Digi-Reel® 供應(yīng)商設(shè)備封裝:SOT-6 其它名稱:MAX1836EUT33#TG16DKR
LM2574M-3.3 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT