參數(shù)資料
型號: LT3681EDE#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 4.4 A SWITCHING REGULATOR, 3100 kHz SWITCHING FREQ-MAX, PDSO14
封裝: 4 X 3 MM, PLASTIC, DFN-14
文件頁數(shù): 19/24頁
文件大?。?/td> 367K
代理商: LT3681EDE#TR
LT3681
4
3681f
DUTY CYCLE (%)
0
SWITCH
CURRENT
LIMIT(A)
40
3681 G08
2.5
20
60
1.5
1.0
4.0
3.5
3.0
2.0
80
100
TEMPERATURE (
°C)
–40
SUPPLY
CURRENT
(
A)
20
3681 G05
80
60
–20
0
40
50
40
100
90
70
60
80
VIN = 12V
VOUT = 3.3V
INCREASED SUPPLY
CURRENT DUE TO CATCH
DIODE LEAKAGE AT
HIGH TEMPERATURE
Efciency (VOUT = 5.0V)
Efciency (VOUT = 3.3V)
No Load Supply Current
No Load Supply Current vs
Temperature
Maximum Load Current
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LOAD CURRENT (A)
0.0001
0
EFFICIENCY
(%)
40
30
100
0.001
0.01
0.1
1
10
3681 G01
20
10
60
50
90
80
70
VIN = 24V
VIN = 12V
L: NEC PLC-0745-4R7
f: 800kHz
LOAD CURRENT (A)
0.0001
0
EFFICIENCY
(%)
40
30
100
0.001
0.01
0.1
1
10
3681 G02
20
10
60
50
90
80
70
VIN = 12V
VIN = 24V
VIN = 7V
L: NEC PLC-0745-4R7
f: 800kHz
INPUT VOLTAGE (V)
0
SUPPLY
CURRENT
(
A)
70
80
15
3681 G04
40
20
510
20
10
0
90
60
50
30
25
30
35
FRONT PAGE APPLICATION
INPUT VOLTAGE (V)
5
LOAD
CURRENT
(A)
15
3681 G07
2.5
10
20
1.5
1.0
4.0
3.5
3.0
2.0
25
30
VOUT = 5.0V
L = 4.7
H
f = 800 kHz
Switch Current Limit
INPUT VOLTAGE (V)
5
LOAD
CURRENT
(A)
15
3681 G06
2.5
10
20
1.5
1.0
4.0
3.5
3.0
2.0
25
30
VOUT = 3.3V
L = 4.7
H
f = 800 kHz
TEMPERATURE (
°C)
–50
SWITCH
CURRENT
LIMIT
(A)
2.0
2.5
3.0
125
3681 G09
1.5
1.0
0
–25
50
25
100
75
0.5
4.5
4.0
DUTY CYCLE = 10 %
DUTY CYCLE = 90 %
Maximum Load Current
Switch Current Limit
SWITCHING FREQUENCY (MHz)
0
EFFICIENCY
(%)
85
1.5
3681 G03
70
60
0.5
1
2
55
50
90
80
75
65
2.5
3
VIN = 12V
VIN = 24V
VOUT = 3.3V
L = 10
H
LOAD = 1A
Efciency vs Switching Frequency
TA = 25°C unless otherwise noted.
相關(guān)PDF資料
PDF描述
LT3681EDE 4.4 A SWITCHING REGULATOR, 3100 kHz SWITCHING FREQ-MAX, PDSO14
LT3686AEMSE#PBF 2.65 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO12
LT3686AHMSE#TRPBF 2.65 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO12
LT3686AHMSE#PBF 2.65 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO12
LT3686AIMSE#TRPBF 2.65 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO12
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT3682 制造商:LINER 制造商全稱:Linear Technology 功能描述:42V, 750mA Step-Down Regulator with 2.5μA
LT3682EDD#PBF 功能描述:IC REG BUCK ADJ 1A 12DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:降壓(降壓) 輸出類型: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)品目錄頁面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2
LT3682EDD#TRPBF 功能描述:IC REG BUCK ADJ 1A 12DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓(降壓) 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V,1.5V,1.8V,2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP,10-MSOP(0.118",3.00mm 寬)裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤
LT3682EDD-PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:1A Micropower Step-Down
LT3682EDD-TRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:1A Micropower Step-Down