参数资料
型号: TPS62221DDCRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 0.4 A SWITCHING REGULATOR, 1850 kHz SWITCHING FREQ-MAX, PDSO5
封装: GREEN, PLASTIC, TSOT-23, 5 PIN
文件页数: 21/24页
文件大小: 640K
代理商: TPS62221DDCRG4
TYPICAL CHARACTERISTICS
40
45
50
55
60
65
70
75
80
85
90
95
100
0.01
0.1
1
10
100
1000
VO = 3.3 V,
L = 4.7
H,
CO = 10 F
VI = 3.7 V
VI = 5 V
Efficency
-
%
IL - Load Current - mA
40
45
50
55
60
65
70
75
80
85
90
95
100
0.01
0.1
1
10
100
1000
VO = 1.8 V,
L = 4.7
H,
CO = 22 F
VI = 2.7 V
VI = 5 V
Efficency
-
%
IL - Load Current - mA
VI = 3.7 V
SLVS491E – SEPTEMBER 2003 – REVISED FEBRUARY 2009....................................................................................................................................... www.ti.com
Table of Graphs
FIGURE
vs Load current
η
Efficiency
vs Input voltage
IQ
No load quiescent current
vs Input voltage
fs
Switching frequency
vs Temperature
Vo
Output voltage
vs Output current
rds(on) - P-channel switch,
vs Input voltage
rds(on)
rds(on) - N-Channel rectifier switch
vs Input voltage
Load transient response
PWM mode operation
Power-save mode operation
Start-up
EFFICIENCY
vs
LOAD CURRENT
Figure 1.
Figure 2.
6
Copyright 2003–2009, Texas Instruments Incorporated
相关PDF资料
PDF描述
TPS62227DDCR 0.4 A SWITCHING REGULATOR, 1850 kHz SWITCHING FREQ-MAX, PDSO5
TPS62223DDCT 0.4 A SWITCHING REGULATOR, 1850 kHz SWITCHING FREQ-MAX, PDSO5
TPS62228DDCT 0.4 A SWITCHING REGULATOR, 1850 kHz SWITCHING FREQ-MAX, PDSO5
TPS62221DDCTG4 0.4 A SWITCHING REGULATOR, 1850 kHz SWITCHING FREQ-MAX, PDSO5
TPS62220DDCR 0.4 A SWITCHING REGULATOR, 1850 kHz SWITCHING FREQ-MAX, PDSO5
相关代理商/技术参数
参数描述
TPS62221DDCT 功能描述:直流/直流开关调节器 1.5V Out 400mA Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
TPS62221DDCTG4 功能描述:直流/直流开关调节器 1.5V Out 400mA Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
TPS62221EVM-014 功能描述:电源管理IC开发工具 TPS62221-014 Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V
TPS62222DDCR 功能描述:直流/直流开关调节器 1.8V Out 400mA Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
TPS62222DDCRG4 功能描述:直流/直流开关调节器 1.8V Out 400mA Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5