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参数资料
型号： LT1776S
厂商： LINEAR TECHNOLOGY CORP
元件分类： 稳压器
英文描述： 0.7 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO8
封装： SO-8
文件页数： 6/6页
文件大小： 301K
代理商： LT1776S
Automotive 12V, 24V and 42V Systems
DC/DC Conversion Solutions – InfoCard 21
Linear Technology Corporation 1630 McCarthy Blvd. Milpitas, CA 95035-7417 (408) 432-1900 www.linear-tech.com Literature Only: 1-800-4-LINEAR
1999 ic21 LT/TP 0299 3K
Automotive Power Circuits
Switching Regulator DC/DC Converters
* Synchronous 2-switch transistor drive for maximum efficiency
Plus FET charge current
Power
VIN
IOUT
Step-Up Step- Switch Burst
IQ
Shutdown
Circuit
Range
Max
& SEPIC Down
Volts
Mode
Supply
Current
Packages
Description or Features
High Efficiency Current Mode Switching Regulators (On-Chip Power Transistor)
LT1676
7.4V to 60V
500mA
X
60V
X*
3.2mA**
30
A
N8,S8
No Pulse Skipping at Light Load; Fixed 100kHz
LT1776
7.4V to 60V
500mA
X
60V
X*
3.2mA**
30
A
N8,S8
Fixed 200kHz, Synchronize to 400kHz
LT1082
3V to 75V
1A*
X
100V
4.5mA
120
A
Q,T, N8
Highest Input Voltage; All Standard Switch Configurations
LT1072
8V to 40V
1.25A*
X
60V
6mA
50
A
K,T,N8,S8
Self-Protected Against Overloads; Easy to Use
LT1072HV
8V to 64V
1.25A*
X
84V
6mA
50
A
K,T,N8,S8
Optional Flyback-Regulated Mode for Isolation
LT1172
3V to 60V
1.25A*
X
60V
6mA
50
A
K,T,N8,S16
Adaptive Antisat Switch Drive
LT1176
5V to 38V
1A
X
50V
8mA
140
A
N8,S20
100kHz; Few Externals; Improved Dynamic Behavior
LT1071
3V to 60V
2.5A*
X
60V
6mA
50
A
K,T
Bust Proof and Easy to Use
LT1076
8V to 45V
2A
X
45V
8.5mA
140
A
K,T,R
Adjustable or Fixed Current Limit; Self-Protecting
LT1076HV
8V to 64V
2A
X
84V
8.5mA
140
A
K,T,R
Switch Voltage to 84V; to 64V Input Voltage
LT1171
3V to 60V
2.5A*
X
60V
6mA
50
A
K,T,N8,S16
Self-Protected Against Overloads
LT1070
3V to 60V
5A*
X
60V
6mA
50
A
K,T
Load Power to 100W
LT1170
3V to 60V
5A*
X
60V
6mA
50
A
K,T,N8,S16
100kHz, High Efficiency
LT1074
8V to 45V
5A
X
64V
8.5mA
140
A
K,T
Pulse-by-Pulse Current Limiting
LT1074HV
8V to 64V
5A
X
84V
8.5mA
140
A
K,T
Switch Voltage to 84V; 100kHz
LT1372
2.7V to 30V
1.5A*
X
35V
4mA
12
A
N8,S8
500kHz, High Efficiency
LT1377
2.7V to 30V
1.5A*
X
35V
4mA
12
A
N8,S8
1MHz, Tiny Inductors
LTC1574
4.5V to 18.5V
1A
X
18.5V
X
450
A2A
S16
Internal Schottky Diode
LT1375
6V to 25V
1.2A
X
35V
2.5mA
20
A
N8,S8
May Be Externally Synchronized to 1MHz
LT1376
6V to 25V
1.2A
X
35V
2.5mA
20
A
N8,S8,S16
500kHz; Cycle-by-Cycle and Thermal Protection
LT1373
2.7V to 30V
1.5A*
X
35V
1mA
12
A
N8,S8
35V Switch; 250kHz; Easily Synchronized
LT1371
2.7V to 30V
3A*
X
35V
4mA
12
A
R,SW20
500kHz, High Efficiency; Reduced Overshoot
LT1374
6V to 25V
4.5A
X
40V
2.5mA
20
A
S8
Constant 500kHz, Synchronize to 1MHz, 1.8
H
LT1370
2.7V to 30V
6A*
X
35V
4.5mA
12
A
R,T7
500kHz, Tiny Inductors; Easy Synchronization
Ultralow Noise Switching Regulators (On-Chip Switch)
LT1533
2.7V to 23V
2
×1A*
X
30V
12mA
12
A
S16
Ultralow Noise 1A Push-Pull Regulator
LT1534
2.7V to 23V
2A*
X
30V
12mA
12
A
S16
Ultralow Noise 2A Boost Regulator
Power
VIN
IOUT
Step-Up Step- Sync* Burst
IQ
Shutdown
Circuit
Range
Max
& SEPIC Down
Drive
Mode
Supply
Current
Packages
Description or Features
Switching Regulator Controllers (External Power Transistors)
LTC1148HV
4V to 20V
10A
X
1.6mA
10
A
N14,S14
Very High Efficiency
LTC1149
4V to 60V
5A
X
2mA
300
A
N16,S16
High Efficiency over Wide Range; to 250kHz
LTC1159
4V to 40V
5A
X
300
A20A
N16,S16,G20
High Efficiency over Wide Range
LTC1267
4V to 40V
5A
X
550
A25A
G28
Dual Regulators
LTC1435A
3.5V to 36V
5A
X
260
A25A
G16,S16
Ultrahigh Efficiency, to 99% Duty Cycle
LTC1436A
3.5V to 36V
5A
X
260
A25A
GN24
2.9V/5A with 5V Auxiliary Output
LTC1437A
3.5V to 36V
5A
X
260
A25A
G28
2.5V/5A Adjustable Output with 5V Auxiliary Output
LTC1438/9
3.5V to 36V
5A
X
320
A30A
G28,GW36
Dual 5V/3V Step-Down Converter, 400kHz
LTC1538/9
3.5V to 36V
5A
X
320
A70A
G28,GW36
Dual Regulators, Adaptive Drive
LTC1624
3.5V to 36V
10A
X
550
A16A
S8
Very Low Dropout, Also Good for Flyback and Inverting
LTC1625
3.7V to 36V
10A
X
500
A30A
GN,S16
No Sense Resistor Required
LT1339
60V MAX
>50A
X
14mA
65
A
N20,SW20
High Power Synchronous Current Mode
LT1680
60V MAX
20A
X
12mA
65
A
N16,SW16
High Power Step-Up Converter
Power
VIN
IOUT
Dropout
Transient
Reverse
IQ
Shutdown
Circuit
Range
Max
Protection Polarity
Supply
Current
Packages
Description or Features
LT1020
5V to 36V
125mA
0.6V
36V
40
A
N8,S8
With Comparator and Reference Class B Outputs
LT1120
to 36V
125mA
0.65V
36V
40
A
N8,S8
With Comparator and Reference; Logic Shutdown
LT1121
to 30V
150mA
0.4V
30V*
30V
30
A16A
Z,N8,S8,ST
Adjustable or Fixed; Micropower; Self-Protection
LT1521
to 20V
300mA
0.6V
20V*
20V
12
A5A
MS8,S8,ST
No Protection Diodes Required
LT1129
to 30V
700mA
0.4V
30V*
30V
50
A16A
R,S8,T,ST
Adjustable or Fixed; Micropower; Self-Protection
LT1086
to 25V
1.5A
1.5V
30V*
5mA**
K,T,M
Adjustable or Fixed
LT1085
to 25V
3A
1.5V
30V*
5mA**
T,M
Handle Surge Currents to 100A
LT1084
to 25V
5A
1.5V
30V*
5mA**
K,P,T
Pin Compatible with 3-Terminal Regulators
LT1083
to 25V
7.5A
1.5V
30V*
5mA**
K,P
Fixed 3.3V, 3.6V, 5V, 12V; Adjustable Versions
Low Dropout Voltage Linear Regulators
* For higher ratings, consult factory
** Flows into the load for higher efficiency
* Maximum switch current
* With external comparator
** Plus minimum VCC load of a few mA
45V with HV version
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相关代理商/技术参数
参数描述
LT1777 制造商:LINER 制造商全称:Linear Technology 功能描述:Low Noise Step-Down Switching Regulator
LT1777C 制造商:LINER 制造商全称:Linear Technology 功能描述:Low Noise Step-Down Switching Regulator
LT1777CS 功能描述:IC REG BUCK ADJ 0.7A 16SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:1.24 V ~ 30 V 输入电压:1.5 V ~ 12 V PWM 型:电流模式，混合 频率 - 开关:600kHz 电流 - 输出:500mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) 供应商设备封装:8-SOIC
LT1777CS#PBF 功能描述:IC REG BUCK ADJ 0.7A 16SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 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:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2
LT1777CS#TR 功能描述:IC REG BUCK ADJ 0.7A 16SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:1.24 V ~ 30 V 输入电压:1.5 V ~ 12 V PWM 型:电流模式，混合 频率 - 开关:600kHz 电流 - 输出:500mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) 供应商设备封装:8-SOIC
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