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參數(shù)資料
| 型號： | TPS61251DSGT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 3500 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 2 X 2 MM, PLASTIC, WSON-8 |
| 文件頁數(shù)： | 21/23頁 |
| 文件大?。?/td> | 587K |
| 代理商： | TPS61251DSGT |
0.00001
0.0001
0.001
0.01
0.1
1
I
-OutputCurrent- A
O
V =2.3V
I
0
10
20
30
40
50
60
70
80
90
100
Efficiency-%
V =2.7V
I
V =3.3V
I
V =3.6V
I
V =4.2V
I
V
=5V,
I
=max
O
LIM
V =5.5V
I
V =6V
I
0.00001
0.0001
0.001
0.01
0.1
1
I
-OutputCurrent- A
O
0
10
20
30
40
50
60
70
80
90
100
Efficiency-%
V
=5V,
I
=max
O
LIM
www.ti.com
SLVSAF7 – SEPTEMBER 2010
TYPICAL CHARACTERISTICS
TABLE OF GRAPHS
DESCRIPTION
FIGURE
Efficiency
vs Output current (VOUT = 5.5 V, ILIM = 1.5 A, R1 = 2320 kΩ and R2 = 649 kΩ)
vs Output current in 100% Duty-Cycle Mode (VOUT = 5.5V, ILIM = 1.5 A, R1 = 2320 kΩ
and R2 = 649 k
Ω)
vs Input voltage (VOUT = 5.5V, ILOAD = {0.01;0.1; 1.0; 10; 100; 500 mA}, R1 = 2320 kΩ
and R2 = 649 k
Ω)
vs Input voltage (VOUT = 5.5 V, ILIM = {100; 200; 500; 1000; 1500 mA}, R1 = 1000 kΩ
Maximum output current
and R2 = 280 k
Ω)
Output voltage
vs Output current (VOUT = 5.5 V, ILIM = 1.5 A, R1 = 1000 kΩ and R2 = 280 kΩ)
Load transient response (Tantal Capacitor 2.3mF with >60 m
Ω ESR, VOUT = 5.5V, VIN
= 3.6V, ILIM = 1000mA, Load change from 50 mA to 550 mA)
Load transient response (6 x 330uF Polymer Tantal <5 m
Ω ESR in total, VOUT = 5.5V,
Waveforms
VIN = 3.6V, ILIM = 1000mA, Load change from 500 mA to 1500 mA)
Startup after enable (VOUT = 5.5V, VIN = 3.6V, ILIM = 1000mA)
Startup after enable (VOUT = 5.5V, VIN = 3.6V, ILIM = 500mA)
EFFICIENCY
vs
OUTPUT CURRENT IN 100%
OUTPUT CURRENT
DUTY-CYCLE MODE
Figure 1.
Figure 2.
Copyright 2010, Texas Instruments Incorporated
7
Product Folder Link(s): TPS61251
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相關代理商/技術參數(shù) |
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|---|---|
| TPS61251DSGT | 制造商:Texas Instruments 功能描述:IC BOOST DC/DC CONV ADJ 3V-6.5V OUTPUT 制造商:Texas Instruments 功能描述:IC, BOOST DC/DC CONV, ADJ 3V-6.5V OUTPUT, 1.5A, 8-QFN |
| TPS61251EVM-517 | 功能描述:電源管理IC開發(fā)工具 TPS61251 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 |
| TPS61252 | 制造商:TAOS 制造商全稱:TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS 功能描述:TINY 1.5-A BOOST CONVERTER WITH ADJUSTABLE INPUT CURRENT LIMIT |
| TPS61252DSGR | 功能描述:直流/直流開關調(diào)節(jié)器 3.5MHz1.5A92% Eff Boost 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 |
| TPS61252DSGT | 功能描述:直流/直流開關調(diào)節(jié)器 3.5MHz1.5A92% Eff Boost 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 |
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