參數(shù)資料
型號(hào)： MAX1742EEE+T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： 1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches
中文描述： 4.7 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 0.150 INCH, 0.025 INCH PITCH, QSOP-16
文件頁(yè)數(shù)： 12/16頁(yè)
文件大?。?/td> 597K
代理商： MAX1742EEE+T
Typical Operating Characteristics
(Circuit of Figure 1, TA = +25°C, unless otherwise noted.)
MAX1742/MAX1842
1A/2.7A, 1MHz, Step-Down Regulators with
Synchronous Rectification and Internal Switches
_______________________________________________________________________________________
5
100
95
90
85
80
70
65
60
55
50
75
0.001
0.01
1
MAX1742
EFFICIENCY vs. OUTPUT CURRENT
(VIN = 5.0V, L = 6.0
H)
MAX1742
toc01
OUTPUT CURRENT (A)
EFFICIENCY
(%)
0.1
VOUT = 1.8V, RTOFF = 75k
,
f = 833kHz
VOUT = 1.5V, RTOFF = 100k
, f = 692kHz
VOUT = 2.5V, RTOFF = 47k
, f = 926kHz
100
95
90
85
80
70
65
60
55
50
75
0.001
0.01
1
MAX1742
EFFICIENCY vs. OUTPUT CURRENT
(VIN = 3.3V, L = 3.9
H)
MAX1742
toc02
OUTPUT CURRENT (A)
EFFICIENCY
(%)
0.1
VOUT = 2.5V, RTOFF = 36k
, f = 456kHz
VOUT = 1.8V, RTOFF = 43k
, f = 869kHz
VOUT = 1.5V, RTOFF = 56k
, f = 833kHz
100
95
90
85
80
70
65
60
55
50
75
0.001
0.01
1
MAX1742
EFFICIENCY vs.OUTPUT CURRENT
(fPWM = 270kHz)
MAX1742
toc03
OUTPUT CURRENT (A)
EFFICIENCY
(%)
0.1
VIN = 5V, VOUT = 1.8V,
L = 15
H, RTOFF = 240k
VIN = 3.3V, VOUT = 1.8V,
L = 10
H, RTOFF = 160k
0.5
0.4
0.3
0.2
0.1
-0.1
-0.2
-0.3
-0.4
-0.5
0
0.001
0.01
1
MAX1742
NORMALIZED OUTPUT ERROR
vs. OUTPUT CURRENT
MAX1742
toc04
OUTPUT CURRENT (A)
NORMALIZED
OUTPUT
ERROR
(%)
0.1
VIN = 5V, VOUT = 1.5V, L = 6
H
VIN = 3.3V, VOUT = 1.5V
0
300
100
200
600
900
700
1100
1000
400
500
800
0
0.2
0.4
0.6
0.8
1.0
MAX1742
SWITCHING FREQUENCY
vs. OUTPUT CURRENT
MAX1742
toc05
OUTPUT CURRENT (A)
FREQUENCY
(kHz)
VIN = 5V, VOUT = 2.5V, L = 6
H
VIN = 5V, VOUT = 1.5V, L = 6
H
VIN = 3.3V, VOUT = 1.5V, L = 3.9
H
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1742EVKIT 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Evaluation Kit for the MAX1742 MAX1842 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
MAX17434GTL+ 制造商:Maxim from Components Direct 功能描述:THE MAXIM MAX17434GTL+ IS A PWM REGULATOR. - Rail/Tube 制造商:Maxim 功能描述:The Maxim MAX17434GTL+ is a PWM Regulator.
MAX17435ETG+ 功能描述:電池管理 High f SMBus Battery Charger RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX17435ETG+T 功能描述:電池管理 High f SMBus Battery Charger RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX17435EVKIT+ 功能描述:電池管理 High Frequency SMBus Battery Charger RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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