参数资料
型号: TPS62230EVM-574
厂商: Texas Instruments
文件页数: 11/35页
文件大小: 0K
描述: EVAL MODULE FOR TPS62230-574
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: 1.2V,1.8V,2.5V
电流 - 输出: 500mA
输入电压: 2.05 ~ 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: TPS62230,TPS62231,TPS62232
其它名称: 296-31251
TPS62230EVM-574-ND
TPS62230, TPS62231, TPS62232, TPS62233, TPS62234, TPS62235, TPS62236
TPS62237, TPS62238, TPS62239, TPS622310, TPS622311, TPS622312
TPS622313, TPS622314, TPS622315, TPS622316, TPS622317, TPS622318
1.236
MODE = GND,
SLVS941E – APRIL 2009 – REVISED DECEMBER 2010
TYPICAL CHARACTERISTICS (continued)
4000
1.224
V OUT = 1.2 V,
L = 2.2 m H,
3500
V IN = 5 V
1.212
C OUT = 4.7 m F,
T A = 25°C
V IN = 3.3 V
V IN = 3.6 V
3000
2500
V IN = 4.2 V
V IN = 3.6 V
V IN = 3.3 V
1.2
2000
1.188
1.176
V IN = 4.2 V
V IN = 5 V
1500
1000
500
V IN = 2.7 V
V IN = 2.3 V
MODE = GND,
V OUT = 1.8 V,
L = 2.2 m H,
C OUT = 4.7 m F,
1.164
0.01
0.1
1 10
100
1000
0
0
100
T A = 25°C
200 300 400
500
I O - Output Current - mA
Figure 17. 1.2V Output Voltage Accuracy PFM/PWM MODE
I O - Output Current - mA
Figure 18. Switching Frequency vs Output Current, 1.8V
Output Voltage MODE = GND
4000
3500
3000
2500
2000
1500
V IN = 5 V
V IN = 4.2 V
V IN = 3.6 V
V IN = 3.3 V
4000
3500
3000
2500
2000
1500
V IN = 5 V
V IN = 4.2 V
V IN = 3.6 V
V IN = 3.3 V
V OUT = 1.8 V,
1000
500
0
0
V IN = 2.3 V
100
MODE = GND,
V OUT = 1.8 V,
V IN = 2.7 V L = 1 m H,
C OUT = 4.7 m F,
T A = 25°C
200 300 400
500
1000
500
0
0
V IN = 2.3 V
100
MODE = V IN ,
V IN = 2.7 V
L = 2.2 m H,
C OUT = 4.7 m F,
T A = 25°C
200 300 400
500
I O - Output Current - mA
Figure 19. Switching Frequency vs Output Current, 1.8V
Output Voltage MODE = GND
I O - Output Current - mA
Figure 20. Switching Frequency vs Output Current, 1.8V
Output Voltage MODE = V IN
Copyright ? 2009–2010, Texas Instruments Incorporated
11
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