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L6598 数据表(PDF) 4 Page - STMicroelectronics

部件名 L6598
功能描述  HIGH VOLTAGE RESONANT CONTROLLER
PDF  17 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6598 数据表(HTML) 4 Page - STMicroelectronics

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Table 6. Electrical Characteristcs
(VS = 12V; VBOOT - VOUT = 12V; Tamb = 25°C)
Symbol
Pin
Parameter
Test Condition
Min.
Typ.
Max.
Unit
SUPPLY VOLTAGE
Vsuvp
12
VS Turn On Threshold
10
10.7
11.4
V
Vsuvn
VS Turn Off Threshold
7.3
8
8.7
V
Vsuvh
Supply Voltage Under Voltage
hysteresis
2.7
V
Vcl
Supply Voltage Clamping
14.6
15.6
16.6
V
Isu
Start Up Current
Vs < Vsuvn
250
µA
Iq
Quiescent Current, fout =
60kHz, no load
Vs > Vsuvp
23
mA
HIGH VOLTAGE SECTION
Ibootleak
16
BOOT pin Leakage Current
VBOOT = 580V
5
µA
Ioutleak
14
OUT pin Leakage Current
VOUT = 562V
5
µA
Rdon
16
Bootstrap Driver On Resistance
100
150
300
Ω
HIGH/LOW SIDE DRIVERS
Ihvgso
15
High Side Driver Source Current VHVG-VOUT = 0
170
250
mA
Ihvgsi
High Side Driver Sink Current
VHVG-VBOOT = 0
300
450
mA
Ilvgso
11
Low Side Driver Source Current
VLVG-GND = 0
170
250
mA
Ilvgsi
Low Side Driver Sink Current
VLVG - VS = 0
300
450
mA
trise
15,11
Low/High Side Output Rise
Time
Cload = 1nF
80
120
ns
tfall
Cload = 1nF
40
80
ns
OSCILLATOR
DC
14
Output Duty Cycle
48
50
52
%
fmin
Minimum Output Oscillation
Frequency
Cf = 470pF; Rfmin = 50k
58.2
60
61.8
kHz
fstart
Soft Start Output Oscillation
Frequency
Cf = 470pF; Rfmin = 50k;
Rfstart = 47k
114
120
126
kHz
Vref
2, 4
Voltage to Current Converters
Threshold
1.922.1
V
td
14
Dead Time between Low and
High Side Conduction
0.2
0.27
0.35
µs
TIMING SECTION
kss
1
Soft Start Timing constant
Css = 330nF
0.115
0.15
0.185
s/
µF
SENSE OP AMP
lIB
6, 7
Input Bias Current
0.1
µA
Vio
Input Offset Voltage
-10
10
mV
Rout
5
Output Resistance
200
300
Ω
Iout-
Source Output Current
Vout = 4.5V
1
mA
Iout+
Sink Output Current
Vout = 0.2V
1
mA
Vic
6,7
OP AMP input common mode
range
-0.2
3
V



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