参数资料
型号: SC4501MSETRT
厂商: Semtech
文件页数: 17/21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
4-CELL
3.6 - 6V
OFF ON 3
6
IN
SHDN
L1
4.9 μ H
5
SW
FB
2
C6
2.2 μ F
D1
10BQ015
C5
47pF
R1
60.4K
VOUT
5V
C1
2.2 μ F
C3
47nF
8
SC4501
SS COMP
GND ROSC
4 7
1
R4
7.68K
R3
20K
C4
560pF
L2
4.9 μ H
R2
20K
C2
10 μ F
L1 and L2: Coiltronics CTX5-1
Figure 12(a). 1.5 MHz All Ceramic Capacitor 4-Cell to 5V SEPIC Converter. Pinout Shown is for MSOP-8.
V IN =3.6V
40 μ s/div
Upper Trace : Output Voltage, AC Coupled, 0.2V/div
Lower Trace : Input Inductor Current, 0.2A/div
Figure 12(b). Load Transient Response of the Circuit in Figure
12(a). I LOAD is switched between 50mA and 350mA
at 1A/ μ s.
V IN =6V
40 μ s/div
Upper Trace : Output Voltage, AC Coupled, 0.2V/div
Lower Trace : Input Inductor Current, 0.2A/div
Figure 12(c). Load Transient Response of the Circuit in Figure
12(a). I LOAD is switched between 80mA and 600mA
at 1A/ μ s.
? 2005 Semtech Corp.
2011
17
www.semtech.com
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