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| 型号： | LT1074HVCT7#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/16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
ELECTRICAL CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: To calculate maximum switch “on” voltage at currents between
Note 5: Switch frequency is internally scaled down when the feedback pin
voltage is less than 1.3V to avoid extremely short switch on times. During
testing, V FB is adjusted to give a minimum switch on time of 1 μ s.
Note 6: I LIM ≈ LIM
(LT1074) , I LIM ≈ LIM
low and high conditions, a linear interpolation may be used.
Note 3: A feedback pin voltage (V FB ) of 2.5V forces the V C pin to its low
R – 1k
2k
R – 1k
5.5k
(LT1076).
clamp level and the switch duty cycle to zero. This approximates the zero
load condition where duty cycle approaches zero.
Note 4: Total voltage from V IN pin to ground pin must be ≥ 8V after start-
up for proper regulation.
BLOCK DIAGRA
INPUT SUPPLY
Note 7: Switch to input voltage limitation must also be observed.
Note 8: V MAX = 40V for the LT1074/76 and 60V for the LT1074HV/76HV.
Note 9: Does not include switch leakage.
LT1074
10 μ A
0.3V
320 μ A
+
μ -POWER
SHUTDOWN
–
6V
REGULATOR
AND BIAS
6V TO ALL
CIRCUITRY
CURRENT
500 ?
2.35V
+
CURRENT
LIMIT
SHUTDOWN
LIMIT
COMP
C2
+
250 ?
0.04
–
–
SHUTDOWN*
I LIM *
FREQ SHIFT
4.5V
10k
R
100kHz
OSCILLATOR
S
R/S
LATCH
Q
G1
SYNC
V IN
3V(p-p)
R
2.21V
+
–
A1
ERROR
AMP
Z
ANALOG
X MULTIPLIER
XY
Z
Y
+
–
C1
PULSE WIDTH
COMPARATOR
400 ?
15 ?
SWITCH
OUTPUT
(V SW )
FB
V C
24V (EQUIVALENT)
LT1076
0.1 ?
*AVAILABLE ON PACKAGES WITH PIN
COUNTS GREATER THAN 5.
100 ?
SWITCH
OUTPUT (V SW )
LT1074 ? BD01
sn1074 1074fds
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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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