參數(shù)資料
型號: TPS62228DDC
廠商: Texas Instruments, Inc.
英文描述: 400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
中文描述: 400毫安,1.25 MHz的,高效率,降壓型轉換器薄,SOT23封裝
文件頁數(shù): 6/20頁
文件大小: 464K
代理商: TPS62228DDC
www.ti.com
TYPICAL CHARACTERISTICS
40
45
50
55
60
65
70
75
80
85
90
95
100
0.01
0.1
1
10
100
1000
V
O
= 3.3 V,
L = 4.7
μ
H,
C
O
= 10
μ
F
V
I
= 3.7 V
V
I
= 5 V
E
I
L
- Load Current - mA
40
45
50
55
60
65
70
75
80
85
90
95
100
0.01
0.1
1
10
100
1000
V
O
= 1.8 V,
L = 4.7
μ
H,
C
O
= 22
μ
F
V
I
= 2.7 V
V
I
= 5 V
E
I
L
- Load Current - mA
V
I
= 3.7 V
TPS62220, TPS62221, TPS62222
TPS62223, TPS62224
TPS62228, TPS62229
SLVS491C–SEPTEMBER 2003–REVISED SEPTEMBER 2004
Table of Graphs
FIGURE
Figure 1,
Figure 2,
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
Figure 10
Figure 11
Figure 12
Figure 13
vs Load current
η
Efficiency
vs Input voltage
vs Input voltage
vs Temperature
vs Output current
vs Input voltage
vs Input voltage
I
Q
f
s
V
o
No load quiescent current
Switching frequency
Output voltage
r
ds(on)
- P-channel switch,
r
ds(on)
- N-Channel rectifier switch
Load transient response
PWM mode operation
Power-save mode operation
Start-up
r
ds(on)
EFFICIENCY
vs
LOAD CURRENT
EFFICIENCY
vs
LOAD CURRENT
Figure 1.
Figure 2.
6
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相關代理商/技術參數(shù)
參數(shù)描述
TPS62228DDCR 功能描述:直流/直流開關調節(jié)器 1.875V Out 400mA Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率: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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62228DDCRG4 功能描述:直流/直流開關調節(jié)器 1.875V Out 400mA Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率: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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62228DDCT 功能描述:直流/直流開關調節(jié)器 1.875V Out 400mA Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率: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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62228DDCTG4 功能描述:直流/直流開關調節(jié)器 1.875V Out 400mA Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率: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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62229DDCR 功能描述:開關變換器、穩(wěn)壓器與控制器 1.7V Out 400mA Step-Down Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel