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參數(shù)資料
| 型號： | MAX5048BAUT-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 功率晶體管 |
| 英文描述： | MS/STANDARD CYLINDRICAL MIL-C-5015 TYPE CONNECTORS, STRAIGHT BODY STYLE, SOLDER TERMINATION, 14S SHELL SIZE, 14S-6 INSERT ARRANGEMENT, PLUG GENDER, 6 CONTACTS |
| 中文描述： | 7.6 A BUF OR INV BASED MOSFET DRIVER, PDSO6 |
| 封裝： | MO-178AB, SOT-23, 6 PIN |
| 文件頁數(shù)： | 7/9頁 |
| 文件大小： | 292K |
| 代理商： | MAX5048BAUT-T |
M
7.6A, 12ns, SOT23 MOSFET Driver
_______________________________________________________________________________________
7
The quiescent current is 0.95mA typical. The current
required to charge and discharge the internal nodes is
frequency dependent (see the
Typical Operating
Characteristics
). The MAX5048A/MAX5048B power dis-
sipation when driving a ground referenced resistive
load is:
P = D x R
ON(MAX)
x I
LOAD2
where D is the fraction of the period the MAX5048A/
MAX5048Bs
’
output pulls high, R
ON (MAX)
is the maxi-
mum on-resistance of the device with the output high
(P-channel), and I
LOAD
is the output load current of the
MAX5048A/MAX5048B.
For capacitive loads, the power dissipation is:
P = C
LOAD
x (V+)
2
x FREQ
where C
LOAD
is the capacitive load, V+ is the supply
voltage, and FREQ is the switching frequency.
Layout Information
The MOSFET drivers MAX5048A/MAX5048B source-
and-sink large currents to create very fast rise and fall
edges at the gate of the switching MOSFET. The high
di/dt can cause unacceptable ringing if the trace
lengths and impedances are not well controlled. The
following PC board layout guidelines are recommended
when designing with the MAX5048A/MAX5048B:
Place one or more 0.1μF decoupling ceramic capaci-
tor(s) from V+ to GND as close to the device as possi-
ble. At least one storage capacitor of 10μF (min)
should be located on the PC board with a low resis-
tance path to the V+ pin of the MAX5048A/MAX5048B.
There are two AC current loops formed between the
device and the gate of the MOSFET being driven.
The MOSFET looks like a large capacitance from
gate to source when the gate is being pulled low.
The active current loop is from N_OUT of the
MAX5048A/MAX5048B to the MOSFET gate to the
MOSFET source and to GND of the MAX5048A/
MAX5048B. When the gate of the MOSFET is being
pulled high, the active current loop is from P_OUT of
the MAX5048A/MAX5048B to the MOSFET gate to
the MOSFET source to the GND terminal of the
decoupling capacitor to the V+ terminal of the
decoupling capacitor and to the V+ terminal of the
MAX5048A/MAX5048B. While the charging current
loop is important, the discharging current loop is crit-
ical. It is important to minimize the physical distance
and the impedance in these AC current paths.
IN+
V
IL
90%
10%
t
D–OFF
P_OUT AND
N_OUT
TIED
TOGETHER
t
D–ON
t
F
t
R
IN+
IN-
V+
V+
C
L
N_OUT
GND
P_OUT
TEST CIRCUIT
TIMING DIAGRAM
MAX5048A
MAX5048B
INPUT
OUTPUT
V
IH
Figure 1. Timing Diagram and Test Circuit
相關(guān)PDF資料 |
PDF描述 |
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| MAX5055AASA | Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:8; Connector Shell Size:32; Connecting Termination:Solder; Circular Shell Style:Square Flange Receptacle; Body Style:Straight |
| MAX5054BATA | 4A, 20ns, Dual MOSFET Drivers |
| MAX5054 | Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C |
| MAX5054AATA | 4A, 20ns, Dual MOSFET Drivers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5048BAUTTG16 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:7.6A, 12ns, SOT23/TDFN, MOSFET Driver |
| MAX5048BEUT-T | 制造商:Maxim Integrated Products 功能描述:HIGH-SPEED, HIGH-CURRENT, SOT23 MOSFET DRIVER - Tape and Reel |
| MAX5048CAUT+T | 制造商:Maxim Integrated Products 功能描述:IC MOSFET DRIVER HS SOT23 |
| MAX5048CEVKIT# | 功能描述:電源管理IC開發(fā)工具 MAX5048C Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX504CPD | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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