參數(shù)資料
型號: LTC3411EDD
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 1.25A, 4MHz, Synchronous Step-Down DC/DC Converter
中文描述: 2 A SWITCHING REGULATOR, 4000 kHz SWITCHING FREQ-MAX, PDSO10
封裝: 3 X 3 MM, PLASTIC, DFN-10
文件頁數(shù): 4/20頁
文件大?。?/td> 288K
代理商: LTC3411EDD
LTC3411
4
sn3411 3411fs
NOMINAL (V)
TYP
0.8
ABSOLUTE MAX (V)
MIN
–0.3
–0.3
PIN
1
2
3
4
5
6
7
8
9
10
NAME
SHDN/R
T
SYNC/MODE
SGND
SW
PGND
PV
IN
SV
IN
PGOOD
V
FB
I
TH
DESCRIPTION
Shutdown/Timing Resistor
Mode Select/Sychronization Pin
Signal Ground
Switch Node
Main Power Ground
Main Power Supply
Signal Power Supply
Power Good Pin
Output Feedback Pin
Error Amplifier Compensation and Run Pin
MIN
–0.3
0
MAX
SV
IN
SV
IN
MAX
SV
IN
+ 0.3
SV
IN
+ 0.3
0
0
PV
IN
–0.3
PV
IN
+ 0.3
0
–0.3
2.5
0
0
0
5.5
5.5
SV
IN
1.0
1.5
–0.3
–0.3
–0.3
–0.3
–0.3
SV
IN
+ 0.3
6
6
SV
IN
+ 0.3
SV
IN
+ 0.3
0.8
PU
TYPICAL PERFOR AU
Burst Mode Operation
Pulse Skipping Mode
Forced Continuous Mode
V
IN
= 3.3V
V
OUT
= 2.5V
I
LOAD
= 50mA
CIRCUIT OF FIGURE 7
2
μ
s/DIV
3411 G01.eps
V
IN
= 3.3V
V
OUT
= 2.5V
I
LOAD
= 50mA
CIRCUIT OF FIGURE 7
2
μ
s/DIV
3411 G02.eps
LOAD CURRENT (mA)
E
100
95
90
85
80
75
70
65
60
1
100
1000
10000
3411 G04
10
V
IN
= 3.3V
V
= 2.5V
CIRCUIT OF FIGURE 7
Burst Mode
OPERATION
PULSE SKIP
FORCED CONTINUOUS
Efficiency vs Load Current
V
IN
= 3.3V
V
OUT
= 2.5V
I
LOAD
= 50mA
CIRCUIT OF FIGURE 7
2
μ
s/DIV
3411 G03.eps
V
OUT
10mV/
DIV
I
L1
100mA/
DIV
V
OUT
10mV/
DIV
I
L1
100mA/
DIV
V
OUT
10mV/
DIV
I
L1
100mA/
DIV
2.5
3.5
4.5
5.5
V
IN
(V)
E
100
95
90
85
80
75
70
65
60
3411 G05
I
OUT
= 400mA
I
OUT
= 1.25A
V
= 2.5V
CIRCUIT OF FIGURE 7
Efficiency vs V
IN
Load Step
V
IN
= 3.3V
V
OUT
= 2.5V
I
LOAD
= 0.25mA TO 1.25A
CIRCUIT OF FIGURE 7
40
μ
s/DIV
3411 G06.eps
V
OUT
100mV/
DIV
I
L1
0.5A/
DIV
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3411EDD#PBF 功能描述:IC REG BUCK SYNC ADJ 1.25A 10DFN 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
LTC3411EDD#PBF 制造商:Linear Technology 功能描述:DC/DC Converter IC
LTC3411EDD#TR 功能描述:IC REG BUCK SYNC ADJ 1.25A 10DFN RoHS:否 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
LTC3411EDD#TRPBF 功能描述:IC REG BUCK SYNC ADJ 1.25A 10DFN 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
LTC3411EDDPBF 制造商:Linear Technology 功能描述:1.25A 4MHz Synch Step-Down DC/DC DFN10EP