参数资料
型号: LTC1574CS-3.3
厂商: Linear Technology
文件页数: 8/8页
文件大小: 0K
描述: IC REG BUCK INV 3.3V 16SOIC
标准包装: 50
类型: 降压(降压),反相
输出类型: 固定
输出数: 1
输出电压: 3.3V
输入电压: 4 V ~ 18.5 V
PWM 型: 电流模式,混合
频率 - 开关: 最高 200kHz
电流 - 输出: 340mA,600mA
同步整流器:
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
包装: 管件
供应商设备封装: 16-SOIC
LTC1574
LTC1574-3.3/LTC1574-5
TYPICAL APPLICATIO S
Low Dropout 5V Step-Down Regulator
with Low-Battery Detection
V IN
5.5V to 12.5V
High Efficiency 3.3V Regulator
*LOW-
BATTERY
INDICATOR
162k
47.5k
4.7k
6
11
12
I PGM
LB OUT
LB IN
5
V IN
SHDN
LTC1574-5
V OUT
SW
GND
2, 4, 13, 15
7
10
3, 14
0.1 μ F
L1
100 μ H ?
+
+
47 μ F**
16V
× 2
V OUT
5V
365mA
47 μ F**
16V
× 2
V IN
4V TO 12.5V
6
12
11
* AVX TPSD226K025
I PGM
LB IN
LB OUT
5
V IN
SHDN
LTC1574-3.3
V OUT
SW
GND
2, 4, 13, 15
7
10
3, 14
+ 22 μ F*
25V
× 2
50 μ H ?
+
0.1 μ F
V OUT
3.3V
425mA
47 μ F*
16V
× 2
COILTRONICS CTX50-4
* LOW-BATTERY INDICATOR IS
1574 TA04
** AVX TPSD476K016
?
1574 TA05
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
Positive to – 5V Converter
V IN
4V TO 12.5V
* LOW-BATTERY INDICATOR IS
SET TO TRIP AT V IN = 4.4V
** AVX TPSD106K035
*** AVX TPSD107K010
? SELECTION
*LOW-
BATTERY
INDICATOR
280k
4.7k
6
11
I PGM
LB OUT
5
V IN
LTC1574-5
SHDN
V OUT
7
10
0.1 μ F
+
10 μ F**
35V
× 2
V IN (V)
4
6
8
10
12.5
I OUT (mA)
110
140
170
200
235
MANUFACTURER
COILTRONICS
COILCRAFT
SUMIDA
GOWANDA
PART NO.
CTX50-3
DT3316-473
CD54-470
GA10-472K
TYPE
SURFACE MOUNT
SURFACE MOUNT
SURFACE MOUNT
THROUGH HOLE
43k
12
LB IN
SW
GND
2, 4, 13, 15
3, 14
L1 ?
50 μ H
+
100 μ F***
10V
V OUT
–5V
1574 TA06
RELATED PARTS
PART NUMBER
LT ? 1074/LT1076
LTC1147
DESCRIPTION
Step-Down Switching Regulator
High Efficiency Step-Down DC/DC Controller
COMMENTS
100kHz, 5A (LT1074) or 2A (LT1076) Monolithic
8-Pin Controller
LTC1174
High Efficiency Step-Down and Inverting DC/DC Converter 0.5A, Burst Mode Operation, SO-8 Package, V IN to 18V
LTC1265
LT1375/LT1376
LT1611
LTC1701
LTC1707
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
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
LTC1877/LTC1878 High Efficiency Synchronous Step-Down Regulator
600mA at V IN = 5V, 2.65V to 10V = V IN , I Q = 10 μ A
(408)432-1900 FAX: (408) 434-0507 www.linear-tech.com
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
q q
sn1574 1574fas LT/TP 1000 2K REV A ? PRINTED IN
USA
? LINEAR TECHNOLOGY CORPORATION 1995
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LTC1574CS-5#PBF 功能描述:IC REG BUCK INV 5V 16SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压(升压) 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型,TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT
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