參數(shù)資料
型號: TPS62040DRC
廠商: Texas Instruments, Inc.
英文描述: 1.2 A/1.25 MHZ, HIGH EFFICIENCY STEP DOWN CONVERTER
中文描述: 1.2 A/1.25兆赫,高效降壓轉(zhuǎn)換器
文件頁數(shù): 6/21頁
文件大小: 372K
代理商: TPS62040DRC
SLVS463A JUNE 2003 REVISED OCTOBER 2003
www.ti.com
6
TYPICAL CHARACTERISTICS
TABLE OF GRAPHS
FIGURE
1, 2, 3
η
η
IQ
fs
rDS(on)
rDS(on)
Efficiency
vs Load current
Efficiency
vs Input voltage
4
Quiescent current
vs Input voltage
5, 6
Switching frequency
vs Input voltage
7
P-Channel rDS(on)
N-Channel rectifier rDS(on)
Load transient response
vs Input voltage
8
vs Input voltage
9
10
PWM operation
11
Power save mode
12
Start-up
13
Figure 1
40
45
50
55
60
65
70
75
80
85
90
95
100
0
0.01
0.1
IL Load Current mA
1
10
100
1 k
10 k
VO = 3.3 V
VI = 3.6 V
MODE = Low
VI = 5 V
MODE = Low
VI = 3.6 V
MODE = High
VI = 5 V
MODE = High
E
EFFICIENCY
vs
LOAD CURRENT
Figure 2
40
45
50
55
60
65
70
75
80
85
90
95
100
0
0.01
0.1
IL Load Current mA
1
10
100
1 k
10 k
VO = 1.8 V
VI = 2.7 V
VI = 3.6 V
VI = 5 V
MODE = Low
VI = 3.6 V
MODE = High
E
EFFICIENCY
vs
LOAD CURRENT
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TPS62040DRCR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Adj 1.2A Hi-Eff Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62040DRCR 制造商:Texas Instruments 功能描述:DC/DC CONVERTER IC 制造商:Texas Instruments 功能描述:IC, STEP-DOWN CONVERTER, SON-10
TPS62040DRCR 制造商:Texas Instruments 功能描述:IC DC/DC CONVERTER
TPS62040DRCRG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Adj 1.2A Hi-Eff Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62040EVM-229 功能描述:電源管理IC開發(fā)工具 TPS62040-229 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V