参数资料
型号: LM2671-ADJMWC
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 稳压器
英文描述: 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC
封装: WAFER
文件页数: 13/30页
文件大小: 612K
代理商: LM2671-ADJMWC
LM2671 Series Buck Regulator Design Procedure (Adjustable Output)
(Continued)
Case
Style (Note 7)
Output
Voltage (V)
Inductance (H)
22
33
47
68
100
150
220
SM and TH
1.21–2.50
————
C1
C2
C3
SM and TH
2.50–3.75
C1
C2
C3
SM and TH
3.75–5.0
C4
C5
C6
SM and TH
5.0–6.25
C4
C7
C6
SM and TH
6.25–7.5
C8
C4
C7
C6
SM and TH
7.5–10.0
C9
C10
C11
C12
C13
SM and TH
10.0–12.5
C14
C11
C12
C13
SM and TH
12.5–15.0
C15
C16
C17
SM and TH
15.0–20.0
C18
C19
C20
SM and TH
20.0–30.0
C21
C22
TH
30.0–37.0
C23
C24
C25
Note 7: SM - Surface Mount, TH - Through Hole
FIGURE 16. Capacitor Code Selection Guide
Output Capacitor
Cap.
Ref.
Desg.
#
Surface Mount
Through Hole
Sprague
AVX TPS
Sanyo OS-CON
Sanyo MV-GX
Nichicon
Panasonic
594D Series
Series
SA Series
Series
PL Series
HFQ Series
(F/V)
C1
120/6.3
100/10
220/35
C2
120/6.3
100/10
150/35
C3
120/6.3
100/10
100/35
120/35
C4
68/10
100/10
68/10
220/35
C5
100/16
100/10
150/35
C6
100/16
100/10
120/35
C7
68/10
100/10
68/10
150/35
C8
100/16
100/10
330/35
C9
100/16
330/35
C10
100/16
68/16
220/35
C11
100/16
68/16
150/35
C12
100/16
68/16
120/35
C13
100/16
120/35
C14
100/16
220/35
C15
47/20
68/20
47/20
220/35
C16
47/20
68/20
47/20
150/35
C17
47/20
68/20
47/20
120/35
C18
68/25
(2x) 33/25
47/25 (Note 8)
220/35
C19
33/25
33/25 (Note 8)
150/35
C20
33/25
33/25 (Note 8)
120/35
C21
33/35
(2x) 22/25
150/35
C22
33/35
22/35
120/35
C23
220/50
100/50
120/50
C24
150/50
100/50
120/50
C25
150/50
82/50
Note 8: The SC series of Os-Con capacitors (others are SA series)
Note 9: The voltage ratings of the surface mount tantalum chip and Os-Con capacitors are too low to work at these voltages.
FIGURE 17. Output Capacitor Selection Table
LM2671
www.national.com
20
相关PDF资料
PDF描述
LM2672-3.3MDC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC
LM2672-3.3MWC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC
LM2672-ADJMWC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC
LM2672-12MDC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC
LM2672M-3.3X 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO8
相关代理商/技术参数
参数描述
LM2671LD-12 制造商:NSC 制造商全称:National Semiconductor 功能描述:SIMPLE SWITCHER㈢ Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features
LM2671LD-12/NOPB 功能描述:IC REG BUCK 12V 0.5A 16LLP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:SIMPLE SWITCHER® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:3.3V 输入电压:4.5 V ~ 24 V PWM 型:- 频率 - 开关:- 电流 - 输出:125mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 包装:Digi-Reel® 供应商设备封装:SOT-6 其它名称:MAX1836EUT33#TG16DKR
LM2671LD-3.3 制造商:NSC 制造商全称:National Semiconductor 功能描述:SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features
LM2671LD-3.3/NOPB 功能描述:IC REG BUCK 3.3V 0.5A 16LLP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:SIMPLE SWITCHER® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:3.3V 输入电压:4.5 V ~ 24 V PWM 型:- 频率 - 开关:- 电流 - 输出:125mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 包装:Digi-Reel® 供应商设备封装:SOT-6 其它名称:MAX1836EUT33#TG16DKR
LM2671LD-5.0 制造商:NSC 制造商全称:National Semiconductor 功能描述:SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features