参数资料
型号: TPS62230DRYT
厂商: Texas Instruments
文件页数: 16/35页
文件大小: 0K
描述: IC REG BUCK SYNC 2.5V 0.5A 6SON
标准包装: 1
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: 标准包装
供应商设备封装: 6-SON(1.45x1)
产品目录页面: 1026 (CN2011-ZH PDF)
其它名称: 296-24484-6
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)
MODE = V IN
V IN = 3.6 V
V OUT = 2.5 V
20 mV/div
I OUT = 10 mA
C OUT = 4.7 m F
L = 1 m H
V IN = 3.6 V to 4.2 V
200 mV/div
SW
2 V/div
I L
200 mA/div
V OUT = 1.8 V
20 mV/div
C OUT = 4.7 m F
L = 2.2 m H
MODE = GND
I OUT = 50 mA
t - Time - 500 n s/div
Figure 37. Forced PWM Mode Operation I OUT = 10mA
t - Time - 10 m s/div
Figure 38. Line Transient Response PFM Mode
V IN = 3.6 V to 4.2 V
200 mV/div
MODE: 0 V to 3.6 V
2 V/div
PFM Mode Operation
Forced PWM
Mode Operation
V SW
2 V/div
V IN = 3.6 V,
I COIL
200 mA/div
C OUT = 4.7 m F
L = 1 m H
I OUT = 10 mA
V OUT = 1.8 V
20 mV/div
C OUT = 4.7 m F
L = 2.2 m H
MODE = V IN
I OUT = 50 mA
t - Time - 100 m s/div
Figure 39. Line Transient Response PWM Mode
V OUT = 1.8 V
20 mV/div
t - Time - 1 m s/div
Figure 40. Mode Transition PFM / Forced PWM Mode
16
Copyright ? 2009–2010, Texas Instruments Incorporated
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