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| 型号： | LT1074HVCT7#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 13/16页 |
| 文件大小： | 0K |
| 描述： | IC REG MULTI CONFIG ADJ TO220-7 |
| 标准包装： | 50 |
| 类型： | 降压（降压），升压（升压），反相，回扫 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2.5 V ~ 50 V |
| 输入电压： | 8 V ~ 64 V |
| 频率 - 开关： | 100kHz |
| 电流 - 输出： | 5A |
| 同步整流器： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-7 成形引线 |
| 包装： | 管件 |
| 供应商设备封装： | TO-220-7 |
| 产品目录页面： | 1325 (CN2011-ZH PDF) |
LT1074/LT1076
TYPICAL APPLICATIO S
Tapped-Inductor Buck Converter
L2
V IN
20V ? TO 35V
V IN
V SW
3
L1*
1
5 μ H
V OUT
5V, 10A ?
D2
V C
LT1074HV
GND
FB
35V
5W
D1**
R1
2.8k
+
C1
4400 μ F
(2 EA
+
C3
200 μ F
R3
1k
C2
0.2 μ F
D3
1N5819
0.01 μ F
R2
2.21k
2200 μ F,
16V)
+
C4
390 μ F
16V
IF INPUT VOLTAGE IS BELOW 20V,
50V
* PULSE ENGINEERING #PE ± 65282
** MOTOROLA MBR2030CTL
?
MAXIMUM OUTPUT CURRENT WILL BE REDUCED. SEE AN44
Positive-to-Negative Converter with 5V Output
LT1074 ?TA02
+
V IN
4.5V to
40V
+
C1
220 μ F
50V
L1
25 μ H
5A ??
R3*
V IN
V SW
R1**
5.1k
2.74k
– 200 μ F
GND
LT1074
V C
V FB
C3
0.1 μ F
R2**
10k
D1 ?
MBR745
C4**
0.01 μ F
R4
1.82k*
+
C2
1000 μ F
10V
OPTIONAL FILTER
5 μ H
+ 10V
–5V,1A***
* = 1% FILM RESISTORS
D1 = MOTOROLA-MBR745
C1 = NICHICON-UPL1C221MRH6
C2 = NICHICON-UPL1A102MRH6
?
??
LOWER REVERSE VOLTAGE RATING MAY BE USED FOR LOWER INPUT VOLTAGES.
LOWER CURRENT RATING IS ALLOWED FOR LOWER OUTPUT CURRENT. SEE AN44.
LOWER CURRENT RATING MAY BE USED FOR LOWER OUTPUT CURRENT. SEE AN44.
L1 = COILTRONICS-CTX25-5-52
** R1, R2, AND C4 ARE USED FOR LOOP FREQUENCY COMPENSATION WITH LOW INPUT VOLTAGE,
BUT R1 AND R2 MUST BE INCLUDED IN THE CALCULATION FOR OUTPUT VOLTAGE DIVIDER VALUES.
FOR HIGHER OUTPUT VOLTAGES, INCREASE R1, R2, AND R3 PROPORTIONATELY.
FOR INPUT VOLTAGE > 10V, R1, R2, AND C4 CAN BE ELIMINATED, AND COMPENSATION IS
DONE TOTALLY ON THE V C PIN.
R3 = V OUT –2.37 (K ? )
R1 = (R3) (1.86)
R2 = (R3) (3.65)
** MAXIMUM OUTPUT CURRENT OF 1A IS DETERMINED BY MINIMUM INPUT
VOLTAGE OF 4.5V. HIGHER MINIMUM INPUT VOLTAGE WILL ALLOW MUCH HIGHER
OUTPUT CURRENTS. SEE AN44.
LT1074 ? TA03
sn1074 1074fds
13
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相关代理商/技术参数 |
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| LT1074HVCTPBF | 制造商:Linear Technology 功能描述:DC-DC Converter Step-Down 8-60V TO220-5 |
| LT1074HVIT | 功能描述:IC REG MULTI CONFIG ADJ TO220-5 RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压（升压） 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 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:SOT-23-5 细型，TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT |
| LT1074HVIT#06 | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 7.3V to 45V 5-Pin(5+Tab) TO-220 制造商:Linear Technology 功能描述:Step-Down Switching Regulator |
| LT1074HVIT#06PBF | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 7.3V to 45V 5-Pin(5+Tab) TO-220 制造商:Linear Technology 功能描述:IC REG MULTI CONFIG ADJ TO-220-5 制造商:Linear Technology 功能描述:BUCK 8V TO 60VIN 5A ADJ 5T 制造商:Linear Technology 功能描述:BUCK, 8V TO 60VIN, 5A, ADJ, 5TO220 制造商:Linear Technology 功能描述:IC, DC-DC CONV, 5A, 100kHZ, 5-TO-220; Primary Input Voltage:60V; No. of Outputs:1; Output Current:5A; No. of Pins:5; Operating Temperature Min:-40C; Operating Temperature Max:85C; MSL:MSL 1 - Unlimited; Package / Case:5-TO-220 ;RoHS Compliant: Yes |
| LT1074HVIT#30 | 制造商:Linear Technology 功能描述:Step-Down Switching Regulator |
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