参数资料
型号: MIC2145YMM TR
厂商: Micrel Inc
文件页数: 9/15页
文件大小: 0K
描述: IC REG BST FLYBK SEPIC ADJ 8MSOP
标准包装: 1
类型: 升压(升压),回扫,Sepic
输出类型: 可调式
输出数: 1
输出电压: 3 V ~ 16 V
输入电压: 2.4 V ~ 16 V
频率 - 开关: 450kHz
电流 - 输出: 500mA
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)
包装: 标准包装
供应商设备封装: 8-MSOP
产品目录页面: 1091 (CN2011-ZH PDF)
其它名称: 576-1540-6
MIC2145
Bootstrap
A bootstrapped configuration is recommended for applica-
tions that require high efficiency at heavy loads (>70mA).
This is achieved by connecting the V DD pin to V OUT (see
L1
10 μ H
Sumida
Micrel, Inc.
Figure 7). For applications that require high efficiency at light
loads (<70mA), the V DD pin is connected to the input voltage
(V IN ); this is referred to as the basic configuration (see Figure
6).
V IN
3.6V
C1
10 μ F/6.3V
Murata
CR43-100
VDD
SW
D1
On Semiconductor
MBR0530T1
V OUT
5V/250mA
RSET
GRM42-6 X5R 106K 6.3
EN PGND
MIC2145
FB
R4
1M
C3
100pF
C4
10 μ F/6.3V
Murata
GRM42-6 X5R 106K 6.3
R3
SS
SGND
274k
R1
100k
R2
10k
C2
0.01 μ F
Figure 6. Basic Configuration
L1
10 μ H
Sumida
V IN
3.6V
C1
10 μ F/6.3V
Murata
CR43-100
PGND
SW
D1
On Semiconductor
MBR0530T1
V OUT
5V/350mA
RSET
GRM42-6 X5R 106K 6.3
SGND VDD
MIC2145
EN
C3
100pF
C4
10 μ F/6.3V
Murata
GRM42-6 X5R 106K 6.3
R1
SS
FB 100k
R2
10k
C2
0.01 μ F
R4
1M
R3
274k
Figure 7. Bootstrap Configuration
April 2005
9
M9999-042205
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