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参数资料
| 型号： | LTC4160EUDC#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | POWER SUPPLY MANAGEMENT CKT, PQCC20 |
| 封装： | 3 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-20 |
| 文件页数： | 20/32页 |
| 文件大小： | 422K |
| 代理商： | LTC4160EUDC#PBF |
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LTC4160/LTC4160-1
27
41601fa
APPLICATIONS INFORMATION
Figure 10. LTC4160/LTC4160-1 as the B Device
Figure 11. Higher Frequency Ground Current Follow Their
Incident Path. Slices in the Ground Plane Create Large Loop
Areas. The Large Loop Areas Increase the Inductance of the Path
Leading to Higher System Noise.
The IDGATE pin for the external ideal diode controller has
extremely limited drive current. Care must be taken to
minimize leakage to adjacent PC board traces. 100nA of
leakage from this pin will introduce an additional offset to
theidealdiodeofapproximately10mV.Tominimizeleakage,
the trace can be guarded on the PC board by surrounding
it with VOUT connected metal, which should generally be
less than one volt higher than IDGATE.
When laying out the printed circuit board, the following
checklist should be used to ensure proper operation of
the LTC4160/LTC4160-1:
1.TheExposedPadofthepackage(Pin21)shouldconnect
directly to a large ground plane to minimize thermal and
electrical impedance.
2. The trace connecting VBUS to its respective decoupling
capacitor should be as short as possible. The GND
side of these capacitors should connect directly to the
ground plane of the part. These capacitors provide the
AC current to the internal power MOSFETs and their
drivers. It is critical to minimize inductance from these
capacitors to the LTC4160/LTC4160-1.
3.ConnectionsbetweenthePowerPathswitchingregulator
inductorandtheoutputcapacitoronVOUTshouldbekept
as short as possible. Use area fills whenever possible.
The GND side of the output capacitors should connect
directly to the thermal ground plane of the part.
4. The switching power trace connecting SW to its respec-
tive inductor should be minimized to reduce radiated
EMI and parasitic coupling.
STANDARD
USB HOST OR
ON-THE-GO
POWER
MANAGER
STANDARD OR
ON-THE-GO
TRANSCEIVER
A DEVICE
41601 F12
B DEVICE
D+
D–
OVSENS
OVGATE
VBUS
CA
<6.5F FOR OTG DEVICES
>96F FOR STANDARD HOST
CB
<6.5F
WITHOUT OVP
OVP
(OPTIONAL)
ON-THE-GO
TRANSCEIVER
LTC4160/
LTC4160-1
ENOTG
41601 F11
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相关代理商/技术参数 |
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| LTC4210 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Supply Hot Swap Controller for Advanced Mezzanine Card |
| LTC4210-1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Hot Swap Controller in 6-Lead SOT-23 Package |
| LTC42101CS6 | 制造商:Linear Technology 功能描述: |
| LTC4210-1CS6 | 制造商:Linear Technology 功能描述:Hot Swap Controller 1-CH 16.5V 6-Pin TSOT-23 |
| LTC4210-1CS6#PBF | 制造商:Linear Technology 功能描述:Hot Swap Controller 1-CH 16.5V 6-Pin TSOT-23 制造商:Linear Technology 功能描述:IC HOT SWAP CONT 制造商:Linear Technology 功能描述:HOT SWAP CNTRL 16.5VIN 6SOT23 制造商:Linear Technology 功能描述:HOT SWAP, CNTRL, 16.5VIN, 6SOT23 制造商:Linear Technology 功能描述:IC, HOT SWAP CONT; Controller Applications:Hot Board Insertion, Electronic Circuit Breaker, Industrial High Side Switch; Input Voltage:16.5V; Internal Switch:Yes; Supply Voltage Min:2.7V; Supply Voltage Max:16.5V; No. of Pins:6 ;RoHS Compliant: Yes |
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