參數(shù)資料
型號(hào): TPS28225DT
廠商: Texas Instruments, Inc.
英文描述: High-Frequency 4-A Sink Synchronous MOSFET Driver
中文描述: 高頻率的4 - A水槽同步MOSFET驅(qū)動(dòng)器
文件頁數(shù): 22/30頁
文件大?。?/td> 951K
代理商: TPS28225DT
www.ti.com
LIST OF MATERIALS
The list of materials for this specific example is provided in the table. The component vendors are not limited to
those shown in the table below. It should be notd that, in this example, the power MOSFET packages were
chosen with drains on top. The decoupling capacitors C47, C48, C65, and C66 were chosen to have low
profiles. This allows the designer to meet good layout rules and place a heatsink on top of the FETs using an
electrically isolated and thermally conductive pad.
TPS28225
SLUS710–MAY 2006
APPLICATION INFORMATION (continued)
Figure 30. Phase Falling Edge Switching Waveforms (10ns/div) of the Power State in
Figure 27
List of Materials
REF DES
COUNT
DESCRIPTION
MANUFACTURE
PART NUMBER
C47, C48,
C65, C66
4
Capacitor, ceramic, 4.7
μ
F, 16 V, X5R 10%, low profile 0.95 mm, 1206
TDK
C3216X5R1C475K
C41, C42
2
Capacitor, ceramic, 10
μ
F, 16 V, X7R 10%, 1206
Capacitor, ceramic, 1000 pF, 50 V, X7R, 10%, 0603
TDK
C3216X7R1C106K
C50, C51
2
Std
Std
C23
1
Capacitor, ceramic, 0.22
μ
F, 16 V, X7R, 10%, 0603
Capacitor, ceramic, 1
μ
F, 16 V, X7R, 10%, '0603
Std
Std
C25, C49,
C71
3
Std
Std
L3
1
Inductor, SMT, 0.12
μ
H, 31 A, 0.36 m
, 0.400 x 0.276
Mosfet, N-channel, V
DS
30 V, R
DS
2.4 m
, I
D
45 A, LFPAK-i
Mosfet, N-channel, V
DS
30 V, R
DS
6.2 m
, I
D
30 A, LFPAK-i
Resistor, chip, 0
, 1/10 W, 1%, '0805
Resistor, chip, 2.2
, 1/10 W, 1%, '0805
Device, High Frequency 4-A Sink Synchronous Buck MOSFET Driver,
DFN-8
Pulse
PA0511-101
Q8, Q9
2
Renesas
RJK0301DPB-I
Q10
1
Renesas
RJK0305DPB-I
R32
1
Std
Std
R51, R52
2
Std
Std
U7
1
Texas Instruments
TPS28225DRB
22
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TPS28226DR 功能描述:功率驅(qū)動(dòng)器IC Hi Fre 4A Sink Synch MOSFET Driver RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube