参数资料
型号: TPS622312EVM-574
厂商: Texas Instruments
文件页数: 8/35页
文件大小: 0K
描述: EVAL MODULE FOR TPS622312-574
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 3,非绝缘,(3电路)
输出电压: 1.3V,1.5V,2V
电流 - 输出: 500mA
输入电压: 2.05 V ~ 6 V
稳压器拓扑结构: 降压
频率 - 开关: 3MHz
板类型: 完全填充
已供物品:
已用 IC / 零件: TPS622312,TPS622313,TPS622314
TPS62230, TPS62231, TPS62232, TPS62233, TPS62234, TPS62235, TPS62236
TPS62237, TPS62238, TPS62239, TPS622310, TPS622311, TPS622312
TPS622313, TPS622314, TPS622315, TPS622316, TPS622317, TPS622318
SLVS941E – APRIL 2009 – REVISED DECEMBER 2010
TYPICAL CHARACTERISTICS (continued)
100
100
90
V IN = 2.3 V
90
80
80
V IN = 2.3 V
70
60
50
40
30
20
10
V IN = 2.7 V
V IN = 3.6 V
V IN = 4.2 V
V IN = 5 V
MODE = GND,
V OUT = 1.2 V,
L = 2.2 m H MIPSZ2012 2R2 (2012 size),
C OUT = 4.7 m F
70
60
50
40
30
20
10
V IN = 2.7 V
V IN = 3.6 V
V IN = 4.2 V
V IN = 5 V
MODE = V IN ,
V OUT = 1.2 V,
L = 2.2 m H MIPSZ2012 2R2 (2012 size),
C OUT = 4.7 m F
0
0.1
1 10 100
1000
0
1
10 100
1000
I O - Output Current - mA
Figure 5. Efficiency PFM/PWM Mode 1.2V Output voltage
I O - Output Current - mA
Figure 6. Efficiency Forced PWM Mode 1.2V Output Voltage
90
85
100
90
V IN = 3.6 V
(2x1.25x1mm )
80
75
MIPSD1R0
L = 1 m H 0805
3
MIPSA25202R2
L = 2.2 m H
(2.5x2x1.2mm 3 )
LQM2HPN1R0MJ0
80
70
60
V IN = 5 V
V IN = 4.2 V
L = 1 m H
(2.5x2x1.2mm )
70
65
MIPSZ2012D2R2
L = 2.2 m H 0805
(2x1.25x1mm 3 )
3
50
40
LQM21PN2R2
60
55
L = 2.2 m H 0805
(2x1.25x0.55mm 3 )
MODE = GND,
C IN = 2.2 m F (0402),
C OUT = 4.7 m F (0402),
V OUT = 1.8 V,
V IN = 3.6 V
30
20
10
TPS62233
MODE = GND,
V OUT = 3 V,
L = 1 m H,
C OUT = 4.7 m F
50
0.1
1 10 100
1000
0
0.1
1
10 100
1000
I O - Output Current - mA
Figure 7. Comparison Efficiency vs Inductor Value and Size
I O - Output Current - mA
Figure 8. Comparison Efficiency vs I OUT – TPS62233
8
Copyright ? 2009–2010, Texas Instruments Incorporated
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TPS622314DRYT 功能描述:直流/直流开关转换器 3MHz,500mA Step- Down Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
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