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參數(shù)資料
| 型號(hào)： | L6571B |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | High Voltage Half Bridge Driver with Oscillator(帶晶振的高電壓半橋驅(qū)動(dòng)器) |
| 中文描述： | 高電壓與振蕩器半橋式驅(qū)動(dòng)器（帶晶振的高電壓半橋驅(qū)動(dòng)器） |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大小： | 72K |
| 代理商： | L6571B |
L6571A
L6571B
HIGH VOLTAGE HALF BRIDGE
DRIVER WITH OSCILLATOR
PRELIMINARY DATA
TECHNOLOGY: BCD ”O(jiān)FF-LINE”
FLOATINGSUPPLY VOLTAGE UP TO 600V
GND REFERRED SUPPLY VOLTAGE UP TO
18V
DRIVER CURRENT CAPABILITY:
- SINK CURRENT = 270mA
- SOURCECURRENT = 170mA
VERYLOW START UP CURRENT: 150
μ
A
VERYLOW OPERATINGCURRENT: <2mA
UNDERVOLTAGELOCKOUT
PROGRAMMABLE OSCILLATOR
FREQUENCY
dV/dtIMMUNITY UP TO
±
50V/ns
DESCRIPTION
The device is a high voltage half bridge driver
with built-in oscillator. The frequency of the oscil-
lator can be programmed using external resistor
and capacitor.
The output drivers are designed to drive external
n-channel power MOSFET and IGBT. The inter-
nal logic assures a minimum dead time to avoid
cross-conduction of the power devices.
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
January 1997
R
F
C
F
LOGIC
BIAS
REGULATOR
COMP
COMP
LEVEL
SHIFTER
BUFFER
R
F
C
F
GND
HIGH
SIDE
DRIVER
LOW
SIDE
DRIVER
HVG
LVG
OUT
BOOT
V
S
R
HV
C
VS
C
BOOT
H.V.
LOAD
D96IN433
V
S
V
S
BLOCK DIAGRAM
ORDERING NUMBERS:
L6571A
L6571B
L6571AD
L6571BD
Minidip
SO8
1/7
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