参数资料
型号: SC4501MSETRT
厂商: Semtech
文件页数: 16/21页
文件大小: 0K
描述: IC REG BOOST ADJ 2A 8MSOP
标准包装: 1
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 可调至 32V
输入电压: 1.4 V ~ 16 V
PWM 型: 电流模式
频率 - 开关: 1.5MHz
电流 - 输出: 2A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)裸露焊盘
包装: 标准包装
供应商设备封装: 8-MSOP-EP
其它名称: SC4501MSEDKR
SC4501
POWER MANAGEMENT
Typical Application Circuits
Efficiency
95
2.6 - 4.2V
L1
D1
VOUT
90
V OUT = 5V
1.2MHz
6
1.8 μ H
5
10BQ015
R1
301K
5V, 0.8A
85
80
V IN = 4.2V
1-CELL
LI-ION
OFF ON 3
C1
2.2 μ F 8
IN SW
SHDN FB
SC4501
SS COMP
2
1
C2
10 μ F
75
70
65
C3
47nF
GND
4
ROSC
7
R4
10.7K
R3
17.4K
C4
1nF
R2
100K
60
55
V IN = 3.6V
V IN = 2.6V
50
0.001
0.010
0.100
1.000
L1: Sumida CR43
Figure 11(a). 1.2 MHz All Ceramic Capacitor Single Li-ion Cell
to 5V Boost Converter.
Load Current (A)
Figure 11(b). Efficiency of the Single Li-ion Cell to 5V Boost
Converter in Figure 11(a).
V IN =2.6V
40 μ s/div
Upper Trace : Output Voltage, AC Coupled, 0.5V/div
Lower Trace : Inductor Current, 0.5A/div
Figure 11(c). Load Transient Response of the Circuit in Figure
11(a). I LOAD is switched between 0.2A and 0.7A at
1A/ μ s.
2011
? 2005 Semtech Corp.
16
www.semtech.com
相关PDF资料
PDF描述
EGM15DTBN CONN EDGECARD 30POS R/A .156 SLD
ECM28DTBN CONN EDGECARD 56POS R/A .156 SLD
V375B2E100B3 CONVERTER MOD DC/DC 2V 100W
ESM15DTBH CONN EDGECARD 30POS R/A .156 SLD
EGM15DTBH CONN EDGECARD 30POS R/A .156 SLD
相关代理商/技术参数
参数描述
SC4501STDEVB 制造商:Semtech Corporation 功能描述:EVALUATION BOARD 制造商:SEMTECH 功能描述:Eval Board for SC4501 Step-Up Switching Regulator
SC4502 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:1.4Amp, 2MHz Step-Up Switching Regulator with Soft-Start
SC4502EVB 制造商:SEMTECH 功能描述:Evaluation Board for SC4502 Series Step-up Switching Regulator
SC4502H 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:1.4Amp, 2MHz Step-Up Switching Regulator with Soft-Start
SC4502HEVB 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:1.4Amp, 2MHz Step-Up Switching Regulator with Soft-Start