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| 型号： | LT1076IT-5#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC REG MULTI CONFIG 5V 2A TO-220 |
| 标准包装： | 50 |
| 类型： | 降压（降压），升压（升压），反相，回扫 |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 8 V ~ 60 V |
| 频率 - 开关： | 100kHz |
| 电流 - 输出： | 2A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-5 成形引线 |
| 包装： | 管件 |
| 供应商设备封装： | TO-220-5 |
LT1076-5
5V Step-Down
Switching Regulator
FEATURES
DESCRIPTION
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Fixed 5V Output
2A On-Board Switch
100kHz Switching Frequency
2% Output Voltage Tolerance Over Temperature
Greatly Improved Dynamic Behavior
Available in Low Cost 5- and 7-Lead Packages
Only 9.5mA Quiescent Current
Operates Up to 60V Input
The LT ? 1076-5 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” con?guration 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-
APPLICATIONS
verter. The switch output is speci?ed to swing 40V below
ground, allowing the LT1076-5 to drive a tapped inductor
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5V Output Buck Converter
Tapped Inductor Buck Converter with 4A Output at
5V
Positive-to-Negative Converter
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 signi?cantly 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 con?gurations.
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.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
TYPICAL APPLICATION
Basic Positive Buck Converter
8V TO 40V
V IN
V SW
LT1076-5
SENSE
100 μ H** ?
MBR340*
5V
≤ 1.8A
* MBR330P MAY BE USED
FOR V IN ≤ 25V
GND
V C
** COILTRONICS #100-1-52
HURRICANE #HL-AG210LL
+
C3
200 μ F
R3
1.5k
C2
0.033 μ F
+
C1
500 μ F
?
VALUE MAY BE REDUCED TO 50 μ H
FOR OUTPUT LOADS BELOW 1.5A
25V
LT1076-5 TA01
10765fc
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1076ITPBF | 制造商:Linear Technology 功能描述:Switching Regulator Step-Down 2A TO220-5 |
| LT1076MK | 制造商:Linear Technology 功能描述: |
| LT1077ACN8 | 功能描述:IC PREC OP-AMP MICRPWR SNGL 8DIP RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:- 放大器类型:通用 电路数:2 输出类型:满摆幅 转换速率:350 V/µs 增益带宽积:180MHz -3db带宽:320MHz 电流 - 输入偏压:12.5µA 电压 - 输入偏移:800µV 电流 - 电源:15mA 电流 - 输出 / 通道:85mA 电压 - 电源，单路/双路(±):2.5 V ~ 12.6 V，±1.25 V ~ 6.3 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-MSOP 包装:带卷 (TR) |
| LT1077ACN8#PBF | 功能描述:IC PREC OP-AMP MICRPWR SNGL 8DIP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:- 放大器类型:通用 电路数:4 输出类型:- 转换速率:0.6 V/µs 增益带宽积:1MHz -3db带宽:- 电流 - 输入偏压:45nA 电压 - 输入偏移:2000µV 电流 - 电源:1.4mA 电流 - 输出 / 通道:40mA 电压 - 电源，单路/双路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:14-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:14-TSSOP 包装:带卷 (TR) 其它名称:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| LT1077AIN8 | 功能描述:IC PREC OP-AMP MICRPWR SNGL 8DIP RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:73 系列:Over-The-Top® 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:0.07 V/µs 增益带宽积:200kHz -3db带宽:- 电流 - 输入偏压:1nA 电压 - 输入偏移:285µV 电流 - 电源:50µA 电流 - 输出 / 通道:25mA 电压 - 电源，单路/双路(±):2 V ~ 44 V，±1 V ~ 22 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-WFDFN 裸露焊盘 供应商设备封装:16-DFN-EP（5x3） 包装:管件 |
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