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LT1680ISW#PBF PDF预览

LT1680ISW#PBF

更新时间: 2024-10-03 13:09:35
品牌 Logo 应用领域
凌特 - Linear 控制器
页数 文件大小 规格书
16页 326K
描述
LT1680 - High Power DC/DC Step-Up Controller; Package: SO; Pins: 16; Temperature Range: -40°C to 85°C

LT1680ISW#PBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SOIC包装说明:SOP, SOP16,.4
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.4模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:15 V最小输入电压:10 V
标称输入电压:12 VJESD-30 代码:R-PDSO-G16
JESD-609代码:e3长度:10.3 mm
湿度敏感等级:1功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:0.02 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:2.65 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:SINGLE最大切换频率:200 kHz
技术:BIPOLAR温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:7.5 mm
Base Number Matches:1

LT1680ISW#PBF 数据手册

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LT1680  
High Power DC/DC  
Step-Up Controller  
U
FEATURES  
DESCRIPTION  
The LT®1680 is a high power, current mode switching  
power supply controller optimized for boost topologies.  
The IC drives N-channel MOSFET switches for DC/DC  
converters in applications up to 60V input. A high current  
gate drive output handles up to 10,000pF gate capaci-  
tance, enabling the construction of high power DC/DC  
converters. Current sense common mode range upto60V  
allows current sensing to be referenced to the input  
supply, eliminating the need for sense blanking circuits.  
High Voltage: Operation Up to 60V Max  
High Current: N-Channel Drive Handles Up to  
10,000pF Gate Capacitance  
Programmable Average Current Limiting  
5V Reference Output with 10mA External  
Loading Capability  
Fixed Frequency Current Mode Operation  
Oscillator Synchronizable Up to 200kHz  
Undervoltage Lockout with Hysteresis  
Programmable Start Inhibit for Power Supply  
Sequencing and Protection  
The LT1680 incorporates programmable average current  
limiting allowing accurate limiting of DC current in the  
magnetics, independent of ripple current . User adjustable  
slope compensation provides stable operation at duty  
cycles up to 90%.  
User Adjustable Slope Compensation  
U
APPLICATIONS  
The LT1680 operating frequency is programmable and  
can be synchronized up to 200kHz. Minimum off-time  
operationprovidesswitchprotection. TheICalsoincorpo-  
rates a soft start feature that is gated by both shutdown  
and undervoltage lockout conditions.  
High Power Single Board Systems  
Distributed Power Converters  
Industrial Control Systems  
Lead-Acid Battery Back-Up Systems  
Automotive and Heavy Equipment  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATION  
12V to 48V, 250W Boost  
12V  
IN  
10V TO 15V  
24A (DC)  
R
Efficiency vs Output Power  
SENSE  
C2  
0.005Ω  
1µF  
100  
V
= 48V  
C
OUT  
IN  
+
+
680µF  
25V  
R
LT1680  
SL/ADJ  
L1  
CT  
15k  
C
25µH  
CT  
95  
90  
85  
80  
75  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
×4  
1nF  
5V  
REF  
C
SYNC  
12V  
T
C12  
1µF  
C3 2.2nF  
C4 0.22µF  
I
AVG  
IN  
M1  
IRFZ44  
×3  
SS  
GATE  
1N914  
4.7k  
C
4.7nF  
V
PGND  
VC  
C
R9  
100k  
SGND RUN/SHDN  
R
VC  
MBR0520  
C11 1nF  
V
V
SENSE  
SENSE  
FB  
+
D1  
REF  
R7  
2k  
R6  
75k  
MBR20100CT  
C6 0.1µF  
V
×2  
OUT  
0
50  
150  
OUTPUT POWER (W)  
200  
250  
100  
48V  
C
OUT 5.2A  
+
680µF  
63V  
1680 TA02  
L1: Kool Mµ®, 18T #14 ON 77314-A7  
Kool Mµ IS A REGISTERED TRADEMARK OF MAGNETICS, INC.  
1680 TA01  
×3  
1

LT1680ISW#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LT1680ISW#TRPBF Linear

完全替代

LT1680 - High Power DC/DC Step-Up Controller; Package: SO; Pins: 16; Temperature Range: -4
LT1680ISW Linear

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High Power DC/DC Step-Up Controller
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