参数资料
型号: MIC23250-3BYMT TR
厂商: Micrel Inc
文件页数: 5/20页
文件大小: 0K
描述: IC REG BUCK SYNC 0.4A DL 10TMLF
产品培训模块: MIC23xxx HyperLight Load™ Regulators
标准包装: 1
系列: HyperLight Load®
类型: 降压(降压)
输出类型: 固定
输出数: 2
输出电压: 0.9V,1.1V
输入电压: 2.7 V ~ 5.5 V
PWM 型: 混合物
频率 - 开关: 4MHz
电流 - 输出: 400mA
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-UFDFN,10-TMLF?
包装: 标准包装
供应商设备封装: 10-TMLF?(2x2)
产品目录页面: 1094 (CN2011-ZH PDF)
其它名称: 576-3255-6
Micrel, Inc.
Typical Characteristics
MIC23250
Quiescent Current
Switching Frequency
Switching Frequency
50
45
40
35
30
vs. Input Voltage
10
4MHz
1
vs. Output Current
V IN = 3.0V
10
4MHz
1
vs. Output Current
L = 4.7μH
L = 1μH
25
L = 1μH
C OUT = 4.7μF
2.7 3.2 3.7 4.2 4.7 5.2 5.7
11
V IN = 3.6V
11
20
15
10
5
0
INPUT VOLTAGE (V)
Frequency
0.1
0.01
V IN = 4.2V
V OUT = 1.8V
L = 1μH
C OUT = 4.7μF
0 100 1000
OUTPUT CURRENT (mA)
Output Voltage
0.1
0.01
L = 2.2μH
V IN = 3.6V
V OUT = 1.8V
C OUT = 4.7μF
0 100 1000
OUTPUT CURRENT (mA)
Output Voltage
5.0
4.5
4.0
vs. Temperature
1.90
1.88
1.86
1.84
1.82
1.80
1.78
vs. Output Current
VIN = 3.0V
VIN = 4.2V
1.90
1.88
1.86
1.84
1.82
1.80
1.78
vs. Input Voltage
L = 1μH
C OUT = 4.7μF
Load = 10mA Load = 1mA
Load = 150mA
11
2.7 3.2 3.7 4.2 4.7 5.2 5.7
3.5
3.0
L = 1μH
C OUT = 4.7μF
Load = 120mA
20 40 60 80
TEMPERATURE (°C)
Output Voltage
1.76
1.74
1.72
1.70
VIN = 3.6V
0 100 1000
OUTPUT CURRENT (mA)
Enable Threshold
1.74 Load = 400mA
1.72
1.70
1.76 Load = 50mA Load = 300mA
INPUT VOLTAGE (V)
Enable Threshold
1.9
vs. Temperature
1.2
vs. Temperature
1.000
vs. Input Voltage
1.8
1.7
VOUT2 = 1.8V
L = 1μH
C OUT = 4.7μF
Load = 120mA
1.0 VIN = 3.6V
0.8 VIN = 2.7V
0.6
0.4
VIN = 5.5V
0.975
0.950
0.925
0.900
0.875
Enable ON
Enable OFF
V IN = 3.6V
2.7 3.2 3.7 4.2 4.7 5.2 5.7
1.6
1.5
VOUT1 = 1.575V
20 40 60 80
TEMPERATURE (°C)
0.2
0
L = 1μH
C OUT = 4.7μF
20 40 60 80
TEMPERATURE (°C)
0.850
0.800
0.825 V OUT = 1.8V
Load = 150mA
INPUT VOLTAGE (V)
90 VIN = 2.7V
90 VIN = 2.7V
700
Current Limit
vs. Input Voltage
100
80
Efficiency V OUT = 1.2V
VIN = 3.0V
100
80
Efficiency V OUT = 1.575V
VIN = 3.0V
650
70
60 VIN = 4.2V
VIN = 3.6V
70
60
VIN = 4.2V
VIN = 3.6V
50
50
600
40
30
40
30
2.7 3.2 3.7 4.2 4.7 5.2
5.7
11
11
550
June 2010
L = 1μH
C OUT = 4.7μF
INPUT VOLTAGE (V)
20
10
0
L = 1μH
C OUT = 4.7μF
0 100 1000
OUTPUT CURRENT (mA)
5
20
10
0
L = 1μH
C OUT = 4.7μF
0 100 1000
OUTPUT CURRENT (mA)
M9999-061110-E
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