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APR345 数据表(PDF) 4 Page - Diodes Incorporated

部件名 APR345
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

APR345 数据表(HTML) 4 Page - Diodes Incorporated

  APR345 Datasheet HTML 1Page - Diodes Incorporated APR345 Datasheet HTML 2Page - Diodes Incorporated APR345 Datasheet HTML 3Page - Diodes Incorporated APR345 Datasheet HTML 4Page - Diodes Incorporated APR345 Datasheet HTML 5Page - Diodes Incorporated APR345 Datasheet HTML 6Page - Diodes Incorporated APR345 Datasheet HTML 7Page - Diodes Incorporated APR345 Datasheet HTML 8Page - Diodes Incorporated APR345 Datasheet HTML 9Page - Diodes Incorporated Next Button
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APR345
Document number: DS38010 Rev. 5 - 2
4 of 11
www.diodes.com
June 2016
© Diodes Incorporated
APR345
Electrical Characteristics (@VCC = 5V, TA = +25C, unless otherwise specified.)
Symbol
Parameters
Conditions
Min
Typ
Max
Unit
Supply Voltage ( VCC Pin )
ISTARTUP
Startup Current
VCC = VSTARTUP-0.1V
–
100
150
µA
IOP
Operating Current
VDET pin floating
VCC = 5V
–
100
150
µA
VSTARTUP
Startup Voltage
–
–
3.1
–
V
–
UVLO
–
–
2.8
–
V
Gate Driver
VTHON
Gate Turn On Threshold
–
0
–
1
V
VTHOFF
Gate Turn Off Threshold
–
-20
-11.5
-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_HIGH
Drive Maximum Voltage
–
–
–
VCC
V
VDRI_HOLD
SR Drive Hold Voltage
VCC<5V
–
–
VCC
V
VCC>=5V
–
5
–
Kqs
–
–
0.32
0.42
0.52
mA*
μs
VS_MIN
Synchronous Rectification (SR)
Minimum Operating Voltage (Note 5)
–
–
–
4.5
V
Synchronous Rectification Detection
VTH_CCM
VDRISR Rising Threshold
VDRISR output transitions from High to
Low
0.43
0.53
0.63
V
tDCCM
CCM Propagation Delay
From CCM rising to VDRISR falling
10%
–
20
35
ns
Note 5: This item specifies the minimum SR operating voltage of VIN_DC, VIN_DC≥NPS*VS_MIN.



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