參數(shù)資料
型號(hào): LT3581IMSE#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PDSO16
封裝: LEAD FREE, PLASTIC, MSOP-16
文件頁(yè)數(shù): 21/36頁(yè)
文件大?。?/td> 498K
代理商: LT3581IMSE#PBF
LT3581
3581f
Typical applicaTions
Figure 18. 2MHz, 5V to 12V, 830mA Boost Converter with Output Short Circuit Protection
VIN
5V
VIN
6.04k
100k
130k
D2
D1
M1
43.2k
C1
4.7F
L1
1.5H
1nF
3581 F18
0.1F
10.5k
C2
4.7F
VOUT
12V
830mA
C3
4.7F
SW1 SW2
FB
CLKOUT
GATE
VC
SS
VIN
RT
GND
SYNC
C1: 4.7F, 16V, X7R, 1206
C2, C3: 4.7F, 25V, X7R, 1206
D1: DIODES INC. PD3S230H-7
D2: VISHAY MSS2P3
L1: SUMIDA CDR6D28MN-IR5
M1: VISHAY SILICONIX SI7123DN
FAULT
SHDN
LT3581
56pF
18.7k
10k
Transient Response with 430mA to 830mA to 430mA Load Step
VOUT
AC-COUPLED
1V/DIV
LOAD
0.5A/DIV
IL
1A/DIV
3581 TA02a
50s/DIV
Switching Waveforms with 830mA Load
VOUT
AC-COUPLED
200mV/DIV
VCLKOUT
(BW LIMIT)
2V/DIV
VSW
0.5A/DIV
IL
1A/DIV
3581 TA02b
500ns/DIV
2MHz, 5V, 1.1A Boost Converter Operates from an Input Range of 2.8V to 4.2V
D1
VIN
2.8V TO 4.2V
100k
45.3k
43.2k
C1
3.3F
L1
0.68H
1.5nF
3581 TA03a
0.1F
6.98k
VOUT
5V
1.1A
C2
22F
SW1 SW2
FB
CLKOUT
GATE
VC
SS
VIN
RT
GND
SYNC
FAULT
SHDN
LT3581
68pF
C1: 3.3F, 16V, X7R, 1206
C2: 22F, 16V, X7R, 1210
D1: DIODES INC. PD3S230H-7
L1: VISHAY IHLP1616 BZ-01-OR68 (ONLY 4.1mm 4.5mm 2mm)
Efficiency and Power Loss at VIN = 3.3V
LOAD CURRENT (mA)
0
50
EFFICIENCY
(%)
POWER
LOSS
(mW)
55
65
70
75
400
90
3581 TA03b
60
200
1200
1000
800
600
80
85
0
200
600
2000
1200
1400
1600
1800
400
800
1000
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LT3582EUD#PBF 功能描述:IC REG BOOST INV ADJ DL 16QFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類(lèi)型:降壓(降壓) 輸出類(lèi)型:固定 輸出數(shù):1 輸出電壓:1.2V 輸入電壓:2.05 V ~ 6 V PWM 型:電壓模式 頻率 - 開(kāi)關(guān):2MHz 電流 - 輸出:500mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:6-UFDFN 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:6-SON(1.45x1) 產(chǎn)品目錄頁(yè)面:1032 (CN2011-ZH PDF) 其它名稱(chēng):296-25628-2