參數(shù)資料
型號: LTC1574-3.3
廠商: Linear Technology Corporation
英文描述: High Efficiency Step-Down DC/DC Converters with Internal Schottky Diode(3.3V,高效率步降DC/DC變換器(內(nèi)部帶肖特基二極管))
中文描述: 高效降壓DC / DC轉(zhuǎn)換器,內(nèi)置肖特基二極管(3.3伏,高效率步降直流/直流變換器(內(nèi)部帶肖特基二極管))
文件頁數(shù): 8/8頁
文件大小: 161K
代理商: LTC1574-3.3
8
LTC1574
LTC1574-3.3/LTC1574-5
1574fa LT/TP 1000 2K REV A PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1995
RELATED PARTS
Low Dropout 5V Step-Down Regulator
with Low-Battery Detection
V
5.5V to 12.5V
Positive to –5V Converter
High Efficiency 3.3V Regulator
TYPICAL APPLICATIO S
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
G
FAX: (408) 434-0507
G
www.linear-tech.com
PART NUMBER
LT
1074/LT1076
LTC1147
LTC1174
LTC1265
LT1375/LT1376
LT1611
LTC1701
LTC1707
DESCRIPTION
Step-Down Switching Regulator
High Efficiency Step-Down DC/DC Controller
High Efficiency Step-Down and Inverting DC/DC Converter
1.2A High Efficiency Step-Down DC/DC Regulator
1.5A 500kHz Step-Down Switching Regulator
Inverting 1.4MHz Switching Regulator in SOT-23
1MHz Step-Down DC/DC Converter in SOT-23
High Efficiency Synchronous Step-Down Regulator
COMMENTS
100kHz, 5A (LT1074) or 2A (LT1076) Monolithic
8-Pin Controller
0.5A, Burst Mode Operation, SO-8 Package, V
IN
to 18V
Burst Mode Operation, Monolithic
High Frequency Small Inductor
–5V at 150mA from 5V Input, 1mV
P-P
Output Ripple, SOT-23 Package
V
IN
= 2.5V to 5.5V, I
Q
= 135
μ
A, V
OUT
= 5V to 1.25V
V
IN
= 2.85V to 8.5V, Selectable Burst Mode Operation,
600mA Output Current, SO-8 Package
600mA at V
IN
= 5V, 2.65V to 10V = V
IN
, I
Q
= 10
μ
A
LTC1877/LTC1878
High Efficiency Synchronous Step-Down Regulator
V
IN
5
2, 4, 13, 15
6
11
12
7
10
3, 14
L1
100
μ
H
0.1
μ
F
47
μ
F**
16V
×
2
1574 TA04
V
OUT
5V
365mA
*LOW-
BATTERY
INDICATOR
4.7k
162k
47.5k
GND
LTC1574-5
I
PGM
LB
OUT
LB
IN
SHDN
V
OUT
SW
47
μ
F**
16V
×
2
* LOW-BATTERY INDICATOR IS
SET UP TO TRIP AT V
IN
= 5.5V
** AVX TPSD476K016
SELECTION
MANUFACTURER
COILTRONICS
SUMIDA
GOWANDA
PART NO.
CTX100-4
CD75-101
GA10-103K
TYPE
SURFACE MOUNT
SURFACE MOUNT
THROUGH HOLE
+
+
V
IN
5
2, 4, 13, 15
6
12
11
7
10
3, 14
50
μ
H
0.1
μ
F
22
μ
F*
25V
×
2
1574 TA05
V
3.3V
425mA
V
IN
4V TO 12.5V
GND
LTC1574-3.3
I
PGM
LB
IN
LB
OUT
SHDN
V
OUT
SW
* AVX TPSD226K025
** AVX TPSD476K016
COILTRONICS CTX50-4
47
μ
F*
16V
×
2
+
+
V
IN
5
2, 4, 13, 15
6
11
12
7
10
3, 14
L1
50
μ
H
0.1
μ
F
1574 TA06
V
OUT
–5V
*LOW-
BATTERY
INDICATOR
4.7k
280k
43k
V
4V TO 12.5V
GND
LTC1574-5
I
PGM
LB
OUT
LB
IN
SHDN
V
OUT
SW
100
μ
F***
10V
* LOW-BATTERY INDICATOR IS
SET TO TRIP AT V
IN
= 4.4V
** AVX TPSD106K035
*** AVX TPSD107K010
SELECTION
MANUFACTURER PART NO.
COILTRONICS
COILCRAFT
SUMIDA
GOWANDA
TYPE
SURFACE MOUNT
CTX50-3
DT3316-473 SURFACE MOUNT
CD54-470
SURFACE MOUNT
GA10-472K
THROUGH HOLE
10
μ
F**
35V
×
2
V
IN
(V)
4
6
8
10
12.5
I
OUT
(mA)
110
140
170
200
235
+
+
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC1574CS 功能描述:IC REG BUCK INV ADJ 16SOIC 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:- 設(shè)計資源:Design Support Tool 標(biāo)準(zhǔn)包裝:1 系列:- 類型:升壓(升壓) 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:100mA 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:SOT-23-5 細型,TSOT-23-5 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT
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LTC1574CS#TR 功能描述:IC REG BUCK INV ADJ 16SOIC 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:- 設(shè)計資源:Design Support Tool 標(biāo)準(zhǔn)包裝:1 系列:- 類型:升壓(升壓) 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:100mA 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:SOT-23-5 細型,TSOT-23-5 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT
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