参数资料
型号: LTC3025EDC#TR
厂商: Linear Technology
文件页数: 12/12页
文件大小: 0K
描述: IC REG LDO ADJ .3A 6DFN
标准包装: 2,500
稳压器拓扑结构: 正,可调式
输出电压: 0.4 V ~ 3.6 V
输入电压: 0.9 V ~ 5.5 V
电压 - 压降(标准): 0.045V @ 300mA
稳压器数量: 1
电流 - 输出: 300mA(最小)
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 6-WFDFN 裸露焊盘
供应商设备封装: 6-DFN-EP(2x2)
包装: 带卷 (TR)
LTC3025
TYPICAL APPLICATION
High Ef?ciency 1.5V Step-Down Converter with Ef?cient 1.2V VLDO Output
C OUT
OFF ON
V IN
2.7V
TO 5.5V
C IN **
4.7μF
CER
4
1
V IN SW
LTC3406-1.5
RUN V OUT
GND
3
5
2.2μH*
V OUT
1.5V
600mA
0.1μF
OFF ON
+
10μF
1
3
6
BIAS
LTC3025
IN
SHDN
OUT
ADJ
GND
4
5
2
80.6k
40.2k
3025 TA02
1μF
V OUT = 1.2V
I OUT ≤ 300mA
TAIYO YUDEN JMK316BJ106ML
CER
* MURATA LQH32CN2R2M33
** TAIYO YUDEN JMK212BJ475MG
?
Ef?ciency vs Output Current
100
90
V OUT = 1.5V
80
V OUT = 1.2V
70
60
50
40
0.1
1
10 100
1000
OUTPUT CURRENT (mA)
3025 TA03
RELATED PARTS
PART NUMBER
LT ? 1761
LT1762
LTC1844
LT1962
LT1964
LT3020
DESCRIPTION
100mA, Low Noise Micropower, LDO
150mA, Low Noise Micropower LDO
150mA, Very Low Dropout LDO
300mA, Low Noise Micropower LDO
200mA, Low Noise Micropower, Negative LDO
100mA, Low Voltage, VLDO
COMMENTS
V IN : 1.8V to 20V, V OUT(MIN) = 1.22V, V DO = 0.30V, I Q = 20μA, I SD < 1μA,
V OUT = Adj, 1.5V, 1.8V, 2V, 2.5V, 2.8V, 3V, 3.3V, 5V, ThinSOT TM Package.
Low Noise < 20μV RMSP-P , Stable with 1μF Ceramic Capacitors
V IN : 1.8V to 20V, V OUT(MIN) = 1.22V, V DO = 0.30V, I Q = 25μA, I SD < 1μA,
V OUT = Adj, 2.5V, 3V, 3.3V, 5V, MS8 Package. Low Noise < 20μV RMSP-P
V IN : 1.6V to 6.5V, V OUT(MIN) = 1.25V, V DO = 0.08V, I Q = 40μA, I SD < 1μA,
V OUT = Adj, 1.5V, 1.8V, 2.5V, 2.8V, 3.3V, ThinSOT Package.
Low Noise < 30μV RMSP-P , Stable with 1μF Ceramic Capacitors
V IN : 1.8V to 20V, V OUT(MIN) = 1.22V, V DO = 0.27V, I Q = 30μA, I SD < 1μA,
V OUT = 1.5, 1.8V, 2.5V, 3V, 3.3V, 5V, MS8 Package. Low Noise < 20μV RMSP-P
V IN : –0.9V to –20V, V OUT(MIN) = –1.21V, V DO = 0.34V, I Q = 30μA, I SD < 3μA,
V OUT = Adj, –5V, ThinSOT Package.
Low Noise < 30μV RMSP-P , Stable with Ceramic Capacitors
V IN : 0.9V to 10V, V OUT(MIN) = 0.20V, V DO = 0.15V, I Q = 120μA, I SD < 3μA,
V OUT = Adj, DFN, MS8 Package
3025fd
12 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
1630  McCarthy  Blvd.,  Milpitas,  CA  95035-7417
LT 0111 REV D ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2004
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