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SRK2000ATR 数据表(PDF) 7 Page - STMicroelectronics

部件名 SRK2000ATR
功能描述  Synchronous rectifier smart driver for LLC resonant converters
PDF  19 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

SRK2000ATR 数据表(HTML) 7 Page - STMicroelectronics

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DocID025407 Rev 3
7/19
SRK2000A
Electrical characteristics
19
5
Electrical characteristics
TJ = -25 to 125 °C, VCC = 12 V, CGD1 = CGD2 = 4.7 nF, EN = VCC; unless otherwise
specified; typical values refer to TJ = 25 °C.
Table 5. Electrical characteristics
Symbol
Parameter
Test condition
Min.
Typ.
Max. Unit
Supply voltage
VCC
Operating range
After turn-on
4.5
-
32
V
VCCOn
Turn-on threshold
See(1)
4.25
4.5
4.75
V
VCCOff
Turn-off threshold
See(1)
4
4.25
4.5
V
Hys
Hysteresis
-
-
0.25
-
V
VCCZ
Zener voltage
ICCZ = 20 mA
33
36
39
V
Supply current
Istart-up
Startup current
Before turn-on, VCC = 4 V
-
45
70
µA
Iq
Quiescent current
After turn-on
-
250
500
µA
ICC
Operating supply current
At 300 kHz
-
35
-
mA
Iq
Quiescent current
EN = SGND
-
150
250
µA
Drain sensing inputs and synch functions
VDVS1,2_H Upper clamp voltage
IDVS1,2 = 20 mA
-
VCCZ
-V
IDVS1,2_b Input bias current
VDVS1,2 = 0 to VCC(2)
-1
1
µA
VDVS1,2_A
Arming voltage
(positive-going edge)
--
1.4
-
V
VDVS1,2_PT
Pre-triggering voltage
(negative-going edge)
--
0.7
-
V
VDVS1,2_TH Turn-on threshold
-
-250
-200
-180
mV
IDVS1,2_On Turn-on source current
VDVS1,2 = -250 mV
-
-50
-
µA
VDVS1,2_Off
Turn-off threshold
(positive-going edge)
R = 680 k
 from EN to VCC
-18
-25
-32
mV
R = 270 k
 from EN to VCC
-9
-12.5
-16
VDVS1,2_Off
_match
Matching between the two
turn-off thresholds
--
1
-
mV
TPD_On
Turn-on debounce delay
After sourcing IDS1,2_On
-250
-
ns
TPD_Off
Turn-off propagation delay After crossing VDS1,2_Off
--
60
ns
TON_min
Minimum on-time
-
-
150
-
ns
DOFF
Min. operating duty-cycle
-
-
40
-
%
DON
Restart duty-cycle
-
-
60
-
%



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