參數(shù)資料
型號(hào): LTC1878
廠商: Linear Technology Corporation
英文描述: High Efficiency Monolithic Synchronous Step-Down Regulator(高效率,單片同步步降穩(wěn)壓器)
中文描述: 高效率單片同步降壓型穩(wěn)壓器(高效率,單片同步步降穩(wěn)壓器)
文件頁(yè)數(shù): 16/16頁(yè)
文件大小: 228K
代理商: LTC1878
16
LTC1878
1878f LT/TP 1000 4K PRINTED IN USA
RELATED PARTS
PART NUMBER
LTC1174/LTC1174-3.3
LTC1174-5
LTC1265
LTC1474/LTC1475
LTC1504A
LTC1622
LTC1626
DESCRIPTION
High Efficiency Step-Down and Inverting DC/DC Converters
COMMENTS
Monolithic Switching Regulators, I
OUT
to 450mA,
Burst Mode Operation
Constant Off-Time, Monolithic, Burst Mode Operation
Monolithic, I
OUT
to 250mA, I
Q
= 10
μ
A, 8-Pin MSOP
Low Cost, Voltage Mode I
OUT
to 500mA, V
IN
from 4V to 10V
High Frequency, High Efficiency, 8-Pin MSOP
Monolithic, Constant Off-Time, I
OUT
to 600mA,
Low Supply Voltage Range: 2.5V to 6V
Constant Frequency, I
OUT
to 500mA, Secondary Winding
Regulation, V
IN
from 2.65V to 8.5V
Constant Off-Time, I
OUT
to 500mA, 1MHz Operation,
V
IN
from 2.5V to 5.5V
1.19V V
REF
Pin, Constant Frequency, I
OUT
to 600mA,
V
IN
from 2.65V to 8.5V
550kHz, 6-Pin SOT-23, I
OUT
Up to 5A, V
IN
from 2.2V to 10V
550kHz, MS8, V
IN
Up to 10V, I
Q
= 10
μ
A, I
OUT
to 600mA
1.2A, High Efficiency Step-Down DC/DC Converter
Low Quiescent Current Step-Down DC/DC Converters
Monolithic Synchronous Step-Down Switching Regulator
Low Input Voltage Current Mode Step-Down DC/DC Controller
Low Voltage, High Efficiency Step-Down DC/DC Converter
LTC1627
Monolithic Synchronous Step-Down Switching Regulator
LTC1701
Monolithic Current Mode Step-Down Switching Regulator
LTC1707
Monolithic Synchronous Step-Down Switching Regulator
LTC1772
LTC1877
Low Input Voltage Current Mode Step-Down DC/DC Controller
High Efficiency Monolithic Step-Down Regulator
LINEAR TECHNOLOGY CORPORATION 2000
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
G
FAX: (408) 434-0507
G
www.linear-tech.com
Single Li-Ion to 2.5V/0.5A Regulator with Precision 2.7V Undervoltage Lockout
V
2.5V
0.6A
C
IN
**
22
μ
F
CER
20pF
887k
C
OUT
**
22
μ
F
CER
*
**
220pF
10
μ
H*
LTC1878
RUN
I
TH
V
FB
GND
8
7
6
5
1
2
3
4
PLL LPF
SYNC/MODE
V
IN
SW
LTC1540
GND
V
IN
+
IN
8
7
6
5
1
2
3
4
OUT
V
+
REF
HYS
V
2.7V TO 4.2V
TOKO D62CB A920CY-100M
TAIYO-YUDEN CERAMIC JMK325BJ226MM
1878 TA08
412k
44.2k
1%
1.58M
1%
1.18M
1%
0.01
μ
F
0.1
μ
F
10k
2.37M
1%
TYPICAL APPLICATIO
U
Dimensions in inches (millimeters) unless otherwise noted.
MS8 Package
8-Lead Plastic MSOP
(LTC DWG # 05-08-1660)
U
PACKAGE DESCRIPTIO
MSOP (MS8) 1098
* DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH,
PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
0.021
±
0.006
(0.53
±
0.015)
0
°
– 6
°
TYP
SEATING
PLANE
0.007
(0.18)
0.040
±
0.006
(1.02
±
0.15)
0.012
(0.30)
REF
0.006
±
0.004
(0.15
±
0.102)
0.034
±
0.004
(0.86
±
0.102)
0.0256
(0.65)
BSC
1
2
3
4
0.193
±
0.006
(4.90
±
0.15)
8
7
6
5
0.118
±
0.004*
(3.00
±
0.102)
0.118
±
0.004**
(3.00
±
0.102)
相關(guān)PDF資料
PDF描述
LTC1911-15 Low Noise, High Efficiency, Inductorless Step-Down DC/DC Converter
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC1878EMS8 功能描述:IC REG BUCK SYNC ADJ 0.6A 8MSOP RoHS:否 類別: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:2,500 系列:- 類型:升壓(升壓) 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式,混合 頻率 - 開(kāi)關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無(wú) 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC
LTC1878EMS8#PBF 功能描述:IC REG BUCK SYNC ADJ 0.6A 8MSOP RoHS:是 類別: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(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:296-25628-2
LTC1878EMS8#TR 功能描述:IC REG BUCK SYNC ADJ 0.6A 8MSOP RoHS:否 類別: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:2,500 系列:- 類型:升壓(升壓) 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式,混合 頻率 - 開(kāi)關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無(wú) 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC
LTC1878EMS8#TRPBF 功能描述:IC REG BUCK SYNC ADJ 0.6A 8MSOP RoHS:是 類別: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:2,500 系列:- 類型:升壓(升壓) 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式,混合 頻率 - 開(kāi)關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無(wú) 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC
LTC1878EMS8PBF 制造商:Linear Technology 功能描述: 制造商:Linear Technology 功能描述:DC-DC Converter Step-Down 2.65-6V MSOP8