参数资料
型号: TPS622312EVM-574
厂商: Texas Instruments
文件页数: 19/35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)
EN 2 V/div
1m
900 m
800 m
Ref Lvl = 1mV
RBW 30kHz
VBW 30kHz
SWT ′115ms
TPS62231
MODE = GND,
V OUT = 1.8 V,
R LOAD = 12R
L = 2.2 m H,
V OUT Pre Bias = 1V
V OUT = 1.8 V
1 V/div
700 m
600 m
V IN = 2.7V(green)
(MIPSZ2012 2R2, Size 2012)
C OUT = 4.7 m F (Size 0402)
SW 5 V/div
500 m
V IN = 3.6 V
400 m
V IN = 3V(red)
I L
200 mA/div
C OUT = 4.7 m F
L = 2.2 m H
MODE = GND
I OUT = 0 mA
300 m
200 m
100 m
V IN = 3.6V(blue                  )
V IN = 4.2V(yellow                       )
10n
Time Base - 20 m s/div
Start
0 Hz
4 MHz
f - Frequency
Stop
40 MHz
Figure 49. Startup in 1V Pre-biased Output
Figure 50. Spurious Output Noise, 12R Load, TPS62231
1m
900 m
800 m
700 m
Ref Lvl = 1mV
RBW 30kHz
VBW 30kHz
SWT 28ms
TPS62231
MODE = GND,
V OUT = 1.8 V,
R LOAD = 100R
L = 2.2 m H,
(MIPSZ2012 2R2, Size 2012)
C OUT = 4.7 m F (Size 0402)
600 m
V IN = 4.2V(yellow)
500 m
V IN = 3.6V(blue)
400 m
V IN = 3V(red)
300 m
200 m
100 m
10n
V IN = 2.7V(green)
Start
0 Hz
1 MHz
f - Frequency
Stop
10 MHz
Figure 51. Spurious Output Noise, 100R Load, TPS62231
Copyright ? 2009–2010, Texas Instruments Incorporated
19
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