參數(shù)資料
型號: LTC3548EDD
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: Dual Synchronous,400mA/800mA, 2.25MHz Step-Down DC/DC Regulator
中文描述: 1.6 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO10
封裝: 3 X 3 MM, PLASTIC, MO-229-WEED, DFN-10
文件頁數(shù): 16/16頁
文件大?。?/td> 239K
代理商: LTC3548EDD
LTC3548
16
3548f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2005
RELATED PARTS
PART NUMBER
LTC1878
DESCRIPTION
600mA (I
OUT
), 550kHz,
Synchronous Step-Down DC/DC Converter
Dual Output 1.4A(I
OUT)
, Constant 1.1MHz,
High Efficiency Step-Down DC/DC Converter
Dual 250mA (I
OUT
), 1MHz, Spread Spectrum
Inductorless Step-Down DC/DC Converter
300mA (I
OUT
), 1.5MHz,
Synchronous Step-Down DC/DC Converters
600mA (I
OUT
), 1.5MHz,
Synchronous Step-Down DC/DC Converters
600mA/1.5MHz, 800mA/2.25MHz
Dual Synchronous Step-Down DC/DC Converter
1.25A (I
OUT
), 4MHz,
Synchronous Step Down DC/DC Converter
2.5A (I
OUT
), 4MHz,
Synchronous Step Down DC/DC Converter
4A (I
OUT
), 4MHz,
Synchronous Step Down DC/DC Converter
600mA (I
OUT
), 2MHz,
Synchronous Buck-Boost DC/DC Converter
COMMENTS
95% Efficiency, V
IN
: 2.7V to 6V, V
OUT(MIN)
= 0.8V, I
Q
= 10
μ
A,
I
SD
<1
μ
A, MSOP-8 Package
V
IN
: 3V to 25V, V
OUT(MIN)
= 1.2V, I
Q
= 2.5mA, I
SD
= <1
μ
A,
TSSOP-16E Package
88% Efficiency, V
IN
: 2.7V to 5.5V, V
OUT(MIN)
= 0.9V to 1.6V,
I
Q
= 60
μ
A, I
SD
< 1
μ
A, DFN-12 Package
96% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 20
μ
A,
I
SD
<1
μ
A, ThinSOT Package
96% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 20
μ
A,
I
SD
<1
μ
A, ThinSOT Package
96% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 40
μ
A,
I
SD
<1
μ
A, MSE, DFN Package
95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 60
μ
A,
I
SD
<1
μ
A, MSOP-10 Package
95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 60
μ
A,
I
SD
<1
μ
A, TSSOP-16E Package
95% Efficiency, V
IN
: 2.25V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 64
μ
A,
I
SD
<1
μ
A, TSSOP-28E Package
95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 2.5V, I
Q
= 25
μ
A,
I
SD
<1
μ
A, MSOP-10 Package
LT1940
LTC3252
LTC3405/LTC3405A
LTC3406/LTC3406B
LT3407/LT3407-2
LTC3411
LTC3412
LTC3414
LTC3440
LT/TP 0305 500 PRINTED IN USA
LOAD CURRENT (mA)
1
E
90
80
70
60
50
40
30
10
100
1000
3548
TA05
V
= 3.3V
Burst Mode OPERATION
NO LOAD ON OTHER CHANNEL
4.2V
3.6V
2.8V
LOAD CURRENT (mA)
1
E
100
95
90
85
80
75
70
65
60
10
100
1000
3548
TA06
V
= 1.8V
Burst Mode OPERATION
NO LOAD ON OTHER CHANNEL
4.2V
2.8V
3.6V
Efficiency vs Load Current
Efficiency vs Load Current
RUN2
V
IN
V
IN
= 2.8V
TO 4.2V
V
OUT2
= 3.3V
V
= 1.8V
AT 800mA
RUN1
POR
SW1
V
FB1
GND
V
FB2
SW2
MODE/SYNC
LTC3548
C1
10
μ
F
R5
100k
POWER-ON
RESET
C4, 33pF
C5, 22pF
L1
2.2
μ
H
L2
15
μ
H
R4
887k
R2
604k
R1
301k
R3
196k
C3
4.7
μ
F
C6
22
μ
F
C2
10
μ
F
3548 TA04
+
M1
D1
C1, C2: TAIYO YUDEN JMK316BJ106ML
C3: MURATA GRM21BR60J475KA11B
C6: KEMET C1206C226K9PAC
D1: PHILIPS PMEG2010
L1: MURATA LQH32CN2R2M33
L2: TOKO A914BYW-150M (D52LC SERIES)
M1: SILICONIX Si2302DS
2mm Height Lithium-Ion Single Inductor Buck-Boost Regulator and a Buck Regulator
U
TYPICAL APPLICATIO
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3548EDD#PBF 功能描述:IC REG BUCK SYNC ADJ DL 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
LTC3548EDD#TRPBF 功能描述:IC REG BUCK SYNC ADJ DL 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
LTC3548EDD-1#PBF 功能描述:IC REG BUCK SYNC ADJ DL 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
LTC3548EDD-1#TRPBF 功能描述:IC REG BUCK SYNC ADJ DL 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
LTC3548EDD-1-PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Synchronous, Fixed Output 2.25MHz Step-Down DC/DC Regulator