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APR346 数据表(PDF) 4 Page - Diodes Incorporated

部件名 APR346
功能描述  SECONDARY SIDE SYNCHRONOUS RECTIFICATION CONTROLLER
PDF  11 Pages
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制造商  DIODES [Diodes Incorporated]
网页  http://www.diodes.com
标志 DIODES - Diodes Incorporated

APR346 数据表(HTML) 4 Page - Diodes Incorporated

  APR346 Datasheet HTML 1Page - Diodes Incorporated APR346 Datasheet HTML 2Page - Diodes Incorporated APR346 Datasheet HTML 3Page - Diodes Incorporated APR346 Datasheet HTML 4Page - Diodes Incorporated APR346 Datasheet HTML 5Page - Diodes Incorporated APR346 Datasheet HTML 6Page - Diodes Incorporated APR346 Datasheet HTML 7Page - Diodes Incorporated APR346 Datasheet HTML 8Page - Diodes Incorporated APR346 Datasheet HTML 9Page - Diodes Incorporated Next Button
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APR346
Document number: DS38999 Rev. 6 - 2
4 of 11
www.diodes.com
May 2018
© Diodes Incorporated
APR346
Electrical Characteristics (@VCC = 5V, TA = -40C <TA<+85C, unless otherwise specified.)
Symbol
Parameter
Condition
Min
Typ.
Max
Unit
Supply Voltage ( VCC Pin )
ISTARTUP
Startup Current
VCC = VSTARTUP-0.1V
–
150
200
µA
IOP
Operating Current
VDET Pin Floating
VCC = 5V
–
150
200
µA
VSTARTUP
Startup Voltage
–
2.6
3.1
3.4
V
–
UVLO
–
2.3
2.8
3.1
V
Gate Driver
VTHON
Gate Turn On Threshold
–
0
–
1
V
VTHOFF
Gate Turn Off Threshold
–
-9
-6
-3
mV
tDON
Turn On Delay Time
From VTHON to VDRISR = 1V
–
70
130
ns
tDOFF
Turn Off Propagation Delay Time
From VTHOFF to VDRISR = 4V
–
100
150
ns
tRG
Turn On Rising Time
From 1V to 4V, VCC=5V,
CL=4.7nF
–
50
100
ns
tFG
Turn Off Falling Time
From 4V to 1V, VCC=5V,
CL=4.7nF
–
20
35
ns
tON_MIN
Minimum On Time
–
1.2
1.6
2
µs
VDRISR
VDRI_CLAMP
Drive Output Clamp Voltage
VCC> VDRI_CLAMP
–
15
–
V
VDRI_TONMIN
Drive Voltage during Minimum On
Time
VCC< =VDRI_CLAMP
–
–
VCC
VCC>= VDRI_CLAMP
–
–
VDRI_CLAMP
VDRI_HOLD
SR Drive Hold Voltage
VCC<5V
–
–
VCC
VCC>=5V
–
5
–
KQS
(Note 6)
–
0.325
0.42
0.515
mA*
μs
VS_MIN
Synchronous Rectification (SR)
Minimum Operating Voltage (Note 7)
–
–
–
4.5
V
Synchronous Rectification Detection
VTH_CCM
VDRISR Rising Threshold
VDRISR Output Transitions
from High to Low
–
0.53
–
V
tDCCM
CCM Propagation Delay
From CCM Rising to
VDRISR
Falling 10%
–
20
35
ns
Notes:
6. This item is used to specify the value of RAREF.
7. This item specifies the minimum SR operating voltage of VIN_DC, VIN_DC≥NPS*VS_MIN.



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