參數(shù)資料
型號(hào)： LTC1911EMS8-1.8
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： Low Noise, High Efficiency, Inductorless Step-Down DC/DC Converter
中文描述： SWITCHED CAPACITOR REGULATOR, 1800 kHz SWITCHING FREQ-MAX, PDSO8
封裝： PLASTIC, MSOP-8
文件頁數(shù)： 12/12頁
文件大?。?/td> 200K
代理商： LTC1911EMS8-1.8
12
LTC1911-1.5/LTC1911-1.8
sn1911 1911is
LINEAR TECHNOLOGY CORPORATION 2001
LT/TP 0802 1.5K PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
G
FAX: (408) 434-0507
G
www.linear.com
PART NUMBER
LTC1474/LTC1475
LTC1502-3.3
LTC1503-1.8
LTC1514/LTC1515
DESCRIPTION
Low Quiescent Current Step-Down DC/DC Converters
Single Cell to 3.3V Quadrupler Charge Pump
1.8V Charge Pump with Shutdown in MS8 Package
Micropower, Regulated 5V Step-Up/Step-Down
Charge Pump DC/DC Converters
SIM Power Supply and Level Translator
Monolithic Synchronous Buck Step-Down
Switching Regulator
1MHz Step-Down DC/DC Converter in ThinSOT
TM
3.3V/5V Doubler Charge Pump with Shutdown in ThinSOT
ThinSOT is a trademark of Linear Technology Corporation.
COMMENTS
I
OUT
to 250mA, I
Q
= 10mA, 8-Lead MSOP
V
IN
= 0.9V to 1.8V, I
OUT
= 10mA, I
Q
= 40
μ
A
100mA Output Current, I
CC
= 25
μ
A
2V to 10V Input Range, Up to 50mA Output Current Short-Circuit and
Overtemperature Protected
Step-Up/Step-Down Charge Pump Generates 5V, 3V or 1.8V
2.65V to 8.5V Input Range, V
OUT
from 0.8V, I
OUT
to 500mA,
Low Dropout Operation, 100% Duty Cycle
V
IN
= 2.5V to 5.5V; V
OUT
= 1.25V to 5V; I
OUT
= 500mA
50mA Output Current, I
CC
= 13
μ
A
LTC1555L-1.8
LTC1627
LTC1701
LTC1754-3.3
TYPICAL APPLICATIO
U
DC/DC Converter with Shutdown and Soft-Start
V
IN
C2
+
C2
–
GND
8
7
6
5
1
2
3
4
SS/SHDN
C1
+
V
OUT
C1
–
LTC1911-1.5
1
μ
F*
1-CELL Li-Ion
OR
3-CELL NiMH
10
μ
F*
10
μ
F*
2N7002
ON OFF
10nF
1911 TA03
V
OUT
= 1.5V
I
OUT
= 250mA
1
μ
F*
*CERAMIC CAPACITOR
2.7V TO 5.5V INPUT
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