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参数资料
| 型号： | LT1076CT-5#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 3.2 A SWITCHING REGULATOR, 120 kHz SWITCHING FREQ-MAX, PZFM5 |
| 封装： | PLASTIC, TO-220, 5 PIN |
| 文件页数： | 1/8页 |
| 文件大小： | 108K |
| 代理商： | LT1076CT-5#TRPBF |
LT1076-5
1
10765fc
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
5V Step-Down
Switching Regulator
The LT1076-5 is a 2A xed 5V output monolithic bipolar
switching regulator which requires only a few external parts
for normal operation. The power switch, all oscillator and
control circuitry, all current limit components, and an output
monitor are included on the chip. The topology is a classic
positive “buck” conguration but several design innova-
tions allow this device to be used as a positive-to-negative
converter, a negative boost converter, and as a yback con-
verter. The switch output is specied to swing 40V below
ground, allowing the LT1076-5 to drive a tapped inductor
in the buck mode with output currents up to 4A.
The LT1076-5 uses a true analog multiplier in the feedback
loop. This makes the device respond nearly instantaneously
to input voltage uctuations and makes loop gain indepen-
dent of input voltage. As a result, dynamic behavior of the
regulator is signicantly improved over previous designs.
On-chip pulse by pulse current limiting makes the LT1076-
5 nearly bust-proof for output overloads or shorts. The
input voltage range as a buck converter is 8V to 60V, but
a self-boot feature allows input voltages as low as 5V in
the inverting and boost congurations.
The LT1076-5 is available in a low cost 5- and 7-lead TO-
220 packages with frequency pre-set at 100kHz and current
limit at 2.6A. See Application Note 44 for design details.
Basic Positive Buck Converter
n Fixed 5V Output
n 2A On-Board Switch
n 100kHz Switching Frequency
n 2% Output Voltage Tolerance Over Temperature
n Greatly Improved Dynamic Behavior
n Available in Low Cost 5- and 7-Lead Packages
n Only 9.5mA Quiescent Current
n Operates Up to 60V Input
n 5V Output Buck Converter
n Tapped Inductor Buck Converter with 4A Output at
5V
n Positive-to-Negative Converter
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
LT1076-5
VSW
SENSE
VC
GND
R3
1.5k
C2
0.033
μF
C3
200
μF
100
μH**
MBR340*
MBR330P MAY BE USED
FOR VIN ≤ 25V
COILTRONICS #100-1-52
HURRICANE #HL-AG210LL
VALUE MAY BE REDUCED TO 50
μH
FOR OUTPUT LOADS BELOW 1.5A
8V TO 40V
C1
500
μF
25V
LT1076-5 TA01
VIN
5V
≤1.8A
*
**
+
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1076CT7 | 功能描述:IC REG MULTI CONFIG ADJ TO220-7 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:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT1076CT7#PBF | 功能描述:IC REG MULTI CONFIG ADJ TO220-7 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:MIC23xxx HyperLight Load™ Regulators 标准包装:5,000 系列:HyperLight Load® 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.8V 输入电压:2.7 V ~ 5.5 V PWM 型:混合物 频率 - 开关:4MHz 电流 - 输出:2A 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘，8-MLF? 包装:带卷 (TR) 供应商设备封装:8-MLF?（2x2） 产品目录页面:1094 (CN2011-ZH PDF) 其它名称:576-3303-2 |
| LT1076CT7-5 | 功能描述:IC REG MULTI CONFIG 5V TO220-7 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:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT1076CT7-5#PBF | 功能描述:IC REG MULTI CONFIG 5V TO220-7 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:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT1076CTPBF | 制造商:Linear Technology 功能描述:Step down switch regulator,LT1076CT 35V |
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