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| 型号： | LTC1779ES6#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 12/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 0.25A SOT23-6 |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.8 V ~ 9.8 V |
| 输入电压： | 2.5 V ~ 9.8 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 100kHz ~ 550kHz |
| 电流 - 输出： | 250mA |
| 同步整流器： | 无 |
| 工作温度： | -65°C ~ 150°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 包装： | 标准包装 |
| 供应商设备封装： | SOT-23-6 |
| 产品目录页面： | 1333 (CN2011-ZH PDF) |
| 其它名称： | LTC1779ES6#TRMPBFDKR |
LTC1779
TYPICAL APPLICATIO N S
LTC1779 Minimal Component Count,
Single Li-Ion to 1.8V/250mA Step-Down Converter
100
Efficiency vs Load Current
10 μ H
+
D1
SENSE –
20k
100pF
L1
1 6
I TH /RUN SW
LTC1779
2 5
GND V IN
3 4
V FB
C1: TAIYO YUDEN CERAMIC EMK325BJ106MNT
C2: SANYO POSCAP 6TPA47M
D1: IR10BQ015
C1
10 μ F
16V
C2
47 μ F
6V
100k
80.6k
1779 TA01a
V IN
2.7V
TO 4.2V
V OUT
1.8V
250mA
95
90
85
80
75
70
65
60
55
50
0.1
V IN = 2.7V
V IN = 3.6V
V IN = 4.2V
V OUT = 1.8V
R SENSE = 0 ?
1 10 100 1k
LOAD CURRENT (mA)
L1: COILTRONICS UP1B100
RELATED PARTS
1779 TA01b
LT 1375/LT1376
No R SENSE Synchronous Step-Down Regulator
PART NUMBER
?
LT1616
LTC1624
LTC1625
LTC1627
LT1676/LT1776
DESCRIPTION
1.5A, 500kHz Step-Down Switching Regulators
600mA Step-Down Switching Regulator
High Efficiency SO-8 N-Channel Switching Regulator Controller
TM
Low Voltage, Monolithic Synchronous Step-Down Regulator
Wide Input Range Step-Down Switching Regulators
COMMENTS
High Frequency, Small Inductor, High Efficiency
1.4MHz, 4V to 25V Input, ThinSOT Package
8-Pin N-Channel Drive, 3.5V ≤ V IN ≤ 36V
High Efficiency, No Sense Resistor
Low Supply Voltage Range: 2.65V to 8V, I OUT = 0.5A
60V Input, 700mA Internal Switches
LTC1735
Single, High Efficiency, Low Noise Synchronous Switching Controller High Efficiency 5V to 3.3V Conversion at up to 15A
LT1767
LTC1771
LTC1772
LTC1773
LTC1877
LTC1878
LTC3400
LTC3401
LTC3402
LTC3404
1.5A, 1.4MHz Step-Down DC/DC Converter
Ultralow Supply Current Step-Down DC/DC Controller
Constant Frequency Current Mode Step-Down DC/DC Controller
95% Efficient Synchronous Step-Down Controller
High Efficiency Monolithic Step-Down Regulator
High Efficiency Monolithic Step-Down Regulator
1.2MHz Synchronous Step-Up DC/DC Converter in ThinSOT
Single Cell, High Current (1A), Micropower, Synchronous 3MHz
Step-Up DC/DC Converter
Single Cell, High Current (2A), Micropower, Synchronous 3MHz
Step-Up DC/DC Converter
1.4MHz High Efficiency, Monolithic Synchronous Step-Down
Regulator
Higher Current, 8-Lead MSOP Package
10 μ A I Q , 93% Efficiency, 1.23V ≤ V OUT ≤ 18V,
2.8V ≤ V IN ≤ 20V
V IN = 2.5V to 9.8V, I OUT Up to 2A, ThinSOT Package
2.65V ≤ V IN ≤ 8.5V, 0.8V ≤ V OUT ≤ V IN , Current Mode, 550kHz
550kHz, MS8, V IN Up to 10V, I Q = 10 μ A,
I OUT to 600mA at V IN = 5V
550kHz, MS8, V IN Up to 6V, I Q = 10 μ A,
I OUT to 600mA at V IN = 3.3V
92% Efficiency, V IN = 0.5V to 6V, V OUT = 2.6V to 5V
V IN = 0.5V to 5V, Up to 97% Efficiency Synchronizable
Oscillator from 100kHz to 3MHz
V IN = 0.7V to 5V, Up to 95% Efficiency Synchronizable
Oscillator from 100kHz to 3MHz
Up to 95% Efficiency, 100% Duty Cycle, I Q = 10 μ A,
V IN = 2.65V to 6V
No R SENSE is a trademark of Linear Technology Corporation.
(408) 432-1900 q FAX: (408) 434-0507 www.linear.com
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
q
1779f LT/TP 0701 2K ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2000
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