參數(shù)資料
型號(hào)： L6571A
廠商： 意法半導(dǎo)體
英文描述： HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR
中文描述： 高壓半橋驅(qū)動(dòng)器，振蕩器
文件頁數(shù)： 3/7頁
文件大?。?/td> 60K
代理商： L6571A
OSCILLATOR FREQUENCY
The frequency of the internal oscillator can be
programmedusingexternalresistor andcapacitor.
The nominal oscillator frequency can be calcu-
lated using the following equation:
f
OSC
=
1
2
R
F
C
F
In 2
=
1
1.3863
R
F
C
F
where R
F
and C
F
are the external resistor and ca-
pacitor
ELECTRICALCHARACTERISTICS
(V
S
=12V;V
BOOT
- V
OUT
=12V;T
j
= 25
°
C;unlessotherwisespecified.)
Symbol
V
SUVP
V
SUVN
V
SUVH
V
CL
I
SU
I
q
I
BOOTLK
Pin
1
Parameter
Test Condition
Min.
8.3
7.3
0.7
14.6
Typ.
9
8
1
15.6
150
500
Max.
9.7
8.7
1.3
16.6
250
700
5
Unit
V
V
V
V
μ
A
μ
A
μ
A
V
S
Turn On Threshold
V
S
Turn Off Threshold
V
S
Hysteresis
V
S
Clamping Voltage
Start Up Current
Quiescent Current
Leakage Current BOOTpin vs
GND
Leakage CurrentOUTpinvs GND
High Side Driver Source Current
High Side Driver Sink Current
Low Side Driver Source Current
Low Side Driver Sink Current
RF High Level Output Voltage
RF Low Level Output Voltage
CF Upper Threshold
CF Lower Threshold
Internal Dead Time
I
S
= 5mA
V
S
< V
SUVN
V
S
> V
SUVP
V
BOOT
= 580V
8
I
OUTLK
I
HVG SO
I
HVG SI
I
LVGSO
I
LVG SI
V
RFON
V
RF OFF
V
CFU
V
CFL
t
d
6
7
V
OUT
= 562V
V
HVG
= 6V
V
HVG
= 6V
V
LVG
= 6V
V
LVG
= 6V
I
RF
= 1mA
I
RF
= -1mA
5
μ
A
mA
mA
mA
mA
V
mV
V
V
μ
s
μ
s
110
190
110
190
V
S
-0.05
50
7.7
3.80
0.85
0.50
0.45
175
275
175
275
5
2
V
S
-0.2
200
8.2
4.3
1.65
0.94
0.55
3
7.95
4.05
1.25
0.72
0.5
L6571A
L6571B
D
C
Duty Cycle, Ratio Between
Dead Time + Conduction Time
of High Side and Low Side
Drivers
Average Current from Vs
Oscillation Frequency
I
AVE
fout
1
6
No Load, fs = 60KHz
RT = 12k
CT = 1nF
1.2
60
1.5
63
mA
kHz
57
T1
T
C
V
S
V
CF
LVG
D96IN434
V
SUVP
Figure 2:
WAVEFORMS
L6571A - L6571B
3/7
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L6571AD013TR 功能描述:功率驅(qū)動(dòng)器IC Hi-Volt Half Bridge 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
L6571B 功能描述:功率驅(qū)動(dòng)器IC Hi Vltg HALF BRIDGE 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
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