参数资料
型号: TPS62230DRYR
厂商: Texas Instruments
文件页数: 8/35页
文件大小: 0K
描述: IC REG BUCK SYNC 2.5V 0.5A 6SON
标准包装: 5,000
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 2.5V
输入电压: 2.05 V ~ 6 V
PWM 型: 电压模式
频率 - 开关: 3MHz
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: 6-UFDFN
包装: 带卷 (TR)
供应商设备封装: 6-SON(1.45x1)
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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