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SRK2000D 数据表(PDF) 6 Page - STMicroelectronics

部件名 SRK2000D
功能描述  Synchronous rectifier smart driver for LLC resonant converters
PDF  17 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

SRK2000D 数据表(HTML) 6 Page - STMicroelectronics

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Electrical characteristics
SRK2000
6/17
Doc ID 17811 Rev 2
4
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
(1)
4.25
4.5
4.75
V
VCCOff
Turn-off threshold
(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
@ 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
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
Ω from EN to Vcc
-18
-25
-32
mV
R = 270 k
Ω from EN to Vcc
-9
-12.5
-16
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
%
Gate-drive enable function
VEN_On
Enable threshold
Positive-going edge (1)
1.7
1.8
1.9
V
Hyst
Hysteresis
Below VEN_On
45
mV



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