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參數(shù)資料
| 型號(hào)： | LT3724 |
| 廠商： | Linear Technology Corporation |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 抗輻射高效，5安培開(kāi)關(guān)穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 1/24頁(yè) |
| 文件大?。?/td> | 240K |
| 代理商： | LT3724 |
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LT3724
1
3724f
TYPICAL APPLICATIO
U
APPLICATIU
FEATURES
DESCRIPTIOU
The LT
3724 is a DC/DC controller used for medium
power, low part count, low cost, high efficiency supplies.
It offers a wide 4V-60V input range (7.5V minimum startup
voltage) and can implement step-down, step-up, inverting
and SEPIC topologies.
The LT3724 includes Burst Mode operation, which re-
duces quiescent current below 100
μ
A and maintains high
efficiency at light loads. An internal high voltage bias
regulator allows for simple biasing and can be back driven
to increase efficiency.
Additional features include fixed frequency current mode
control for fast line and load transient response; a gate
driver capable of driving large N-channel MOSFETs; a
precision undervoltage lockout function; 10
μ
A shutdown
current; short-circuit protection; and a programmable
soft-start function that directly controls output voltage
slew rates at startup which limits inrush current, mini-
mizes overshoot and facilitates supply sequencing.
The LT3724 is available in a 16-lead thermally enhanced
TSSOP package.
■
Industrial Power Distribution
■
12V and 42V Automotive and Heavy Equipment
■
High Voltage Single Board Systems
■
Distributed Power Systems
■
Avionics
■
Telecom Power
■
Wide Input Range: 4V to 60V
■
Output Voltages up to 36V (Step-Down)
■
Burst Mode
Operation: <100
μ
A Supply Current
■
<10
μ
A Shutdown Supply Current
■
±
1.3% Reference Accuracy
■
200kHz Fixed Frequency
■
Drives N-Channel MOSFET
■
Programmable Soft-Start
■
Programmable Undervoltage Lockout
■
Internal High Voltage Regulator for Gate Drive
■
Thermal Shutdown
■
Current Limit Unaffected by Duty Cycle
■
16-Pin Thermally Enhanced TSSOP Package
High Voltage, Current Mode
Switching Regulator Controller
Efficiency and Power Loss
vs Load Current
High Voltage Step-Down Regulator
LOAD CURRENT (A)
0.1
E
P
95
90
85
80
75
70
65
12
10
8
6
4
2
0
1
10
3724 TA01b
V
IN
= 48V
LOSS
EFFICIENCY
V
IN
SHDN
C
SS
Burst_EN
V
FB
V
C
SGND
BOOST
TG
SW
V
CC
PGND
SENSE
+
SENSE
–
V
IN
30V TO
60V
V
OUT
24V
75W
C
OUT
330
μ
F
3724 TA01a
LT3724
1M
68.1k
1000pF
4.99k
93.1k
200k
0.22
μ
F
C
IN
68
μ
F
1
μ
F
47
μ
H
0.025
Si7852
SS3H9
120pF
680pF
40.2k
+
, LTC and LT are registered trademarks of Linear Technology Corporation.
Burst Mode is a registered trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Protected by U.S. Patents including 5731694, 6498466, 6611131.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT3724_1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Voltage, Current Mode Switching Regulator Controller Thermal Shutdown |
| LT3724EFE | 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Step Up/Step Down 4V to 60V Input 16-Pin TSSOP EP |
| LT3724EFE#PBF | 功能描述:IC REG CTRLR BST INV PWM 16TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 特色產(chǎn)品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 標(biāo)準(zhǔn)包裝:1 系列:PowerWise® PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1MHz 占空比:81% 電源電壓:4.5 V ~ 18 V 降壓:是 升壓:無(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-5°C ~ 125°C 封裝/外殼:32-WFQFN 裸露焊盤 包裝:Digi-Reel® 產(chǎn)品目錄頁(yè)面:1303 (CN2011-ZH PDF) 其它名稱:LM3754SQDKR |
| LT3724EFE#TRPBF | 功能描述:IC REG CTRLR BST INV PWM 16TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無(wú) 升壓:是 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR) |
| LT3724EFEPBF | 制造商:Linear Technology 功能描述:60V Current-Mode Controller TSSOP16EP |
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