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LTC1629EG-6 PDF预览

LTC1629EG-6

更新时间： 2024-11-05 05:43:39
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
28页 296K
描述
PolyPhase, Synchronous

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LTC1629EG-6 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：SSOP包装说明：5.30 MM, PLASTIC, SSOP-28
针数：28Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.19模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：CURRENT-MODE控制技术：PHASE-SHIFT CONTROL
最大输入电压：36 V最小输入电压：4 V
标称输入电压：15 VJESD-30 代码：R-PDSO-G28
JESD-609代码：e0长度：10.2 mm
湿度敏感等级：1功能数量：1
端子数量：28最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：5 A
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
封装等效代码：SSOP28,.3封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：235
认证状态：Not Qualified座面最大高度：2 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：PUSH-PULL最大切换频率：360 kHz
技术：CMOS温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：20宽度：5.3 mm
Base Number Matches：1

LTC1629EG-6 数据手册

 浏览型号LTC1629EG-6的Datasheet PDF文件第2页浏览型号LTC1629EG-6的Datasheet PDF文件第3页浏览型号LTC1629EG-6的Datasheet PDF文件第4页浏览型号LTC1629EG-6的Datasheet PDF文件第5页浏览型号LTC1629EG-6的Datasheet PDF文件第6页浏览型号LTC1629EG-6的Datasheet PDF文件第7页 
LTC1629-6  
PolyPhase, Synchronous  
Step-Down Switching Regulator  
U
DESCRIPTIO  
FEATURES  
The LTC®1629-6 is a PolyPhaseTM synchronous stepdown  
current mode switching regulator controller with 0.6V  
reference that drives N-channel external power MOSFET  
stages in a phase-lockable fixed frequency architecture.  
The PolyPhase controller drives its two output stages out  
of phase at frequencies up to 300kHz to minimize the RMS  
ripple currents in both input and output capacitors. The  
output clock signal allows expansion for up to 12 evenly  
phased controllers for systems requiring 15A to 200A of  
output current. The multiple phase technique effectively  
multiplies the fundamental frequency by the number  
of channels used, improving transient response while  
operating each channel at an optimum frequency for  
efficiency. Thermal design is also simplified.  
■
Reduces Required Input Capacitance and Power  
Supply Induced Noise  
■
■
■
True Remote Sensing Differential Amplifier  
0.6V, ±1% Voltage Reference Accuracy  
PolyPhase Controller Operates from Two to Twelve  
Phases  
■
■
■
■
■
■
■
■
■
■
■
■
Current Mode Control Ensures Current Sharing  
Phase-Lockable Fixed Frequency: 150kHz to 300kHz  
1.8MHz Effective Switching Frequency Capability  
OPTI-LOOP® Compensation Reduces COUT  
Power Good Output Voltage Monitor  
Wide VIN Range: 4V to 36V Operation  
Very Low Dropout Operation: 99% Duty Cycle  
Adjustable Soft-Start Current Ramping  
Internal Current Foldback Plus Shutdown Timer  
Overvoltage Soft-Latch Eliminates Nuisance Trips  
Micropower Shutdown  
An internal differential amplifier provides true remote  
sensing of the regulated supply’s positive and negative  
output terminals as required for high current applications.  
Available in 28-Lead SSOP Package  
U
A RUN/SS pin provides both soft-start and optional timed,  
short-circuit shutdown. Current foldback limits MOSFET  
dissipation during short-circuit conditions when the  
overcurrent latchoff is disabled. OPTI-LOOP compensa-  
tion allows the transient response to be optimized over a  
wide range of output capacitance and ESR values. The  
LTC1629-6 includes a power good output pin that  
indicates when the output voltage is inside the ±10%  
tolerance window.  
APPLICATIO S  
■
Desktop Computers  
■
Internet Servers  
■
Large Memory Arrays  
DC Power Distribution Systems  
■
, LTC and LT are registered trademarks of Linear Technology Corporation.  
OPTI-LOOP is a registered trademark of Linear Technology Corporation.  
PolyPhase is a trademark of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
10Ω  
V
IN  
5V TO 15V  
10µF ×6  
35V  
CERAMIC  
0.1µF  
M1  
S
LTC1629-6  
V
IN  
TG1  
S
0.002Ω  
BOOST1  
SW1  
0.47µF  
0.1µF  
L1  
1µH  
S
M2  
RUN/SS  
PGOOD  
BG1  
×2  
D1  
PGND  
3300pF  
+
SENSE1  
I
TH  
–
SENSE1  
1.5k  
CLKOUT  
SGND  
M3  
TG2  
BOOST2  
SW2  
S
0.002Ω  
S
V
OUT  
0.47µF  
0.7V/40A  
L2  
S
S
10k  
S
M4  
×2  
1µH  
V
BG2  
DIFFOUT  
D2  
S
EAIN  
–
INTV  
CC  
+
10µF CER  
X5R  
+
C
OUT  
V
OS  
V
OS  
SENSE2  
SENSE2  
60.4k  
270µF ×4  
+
–
2V  
C
: T510E108K004AS  
L1, L2: CEPH149-IROMC-H  
M1, M3: Si7840DP  
M2, M4: Si7440DP  
OUT  
1629 TA01  
D1, D2: UPS840  
Figure 1. High Current Dual Phase Step-Down Converter  
16296f  
1
1234567...28

中文翻译

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