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APR34309C 数据表(PDF) 4 Page - Diodes Incorporated

部件名 APR34309C
功能描述  SECONDARY SIDE SYNCHRONOUS RECTIFICATION SWITCHER
PDF  13 Pages
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制造商  DIODES [Diodes Incorporated]
网页  http://www.diodes.com
标志 DIODES - Diodes Incorporated

APR34309C 数据表(HTML) 4 Page - Diodes Incorporated

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APR34309C
Document number: DS37492 Rev. 5 - 2
4 of 13
www.diodes.com
June 2015
© Diodes Incorporated
APR34309C
A Product Line of
Diodes Incorporated
Electrical Characteristics (@TA = +25°C, VCC=5V, unless otherwise specified.)
Symbol
Parameter
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=VTRIGGER+20mV
40
100
150
μA
VSTARTUP
Startup Voltage
–
2.6
3.1
3.4
V
–
UVLO
–
2.3
2.8
3.1
V
Dynamic Output Section/Oscillator Section
VTRIGGER
Internal Trigger Voltage
–
5.1
5.15
5.2
V
–
Duty Cycle
–
4
15
18
%
tOSC
Oscillation Period
VCC=5V
18
30
37.5
μs
ITRIGGER
Internal Trigger Current
VCC=VTRIGGER, VCC/VDET pin is
separately connected to a 20
Ω
resistor
30
60
80
mA
tDIS
Minimum Period
–
18
30
37.5
ms
VDIS
Discharge Voltage
–
5.13
5.3
5.38
V
IDIS
Discharge Current
VCC=VDIS+0.1V
1.5
3
4.5
mA
VDIS-VTRIGGER
Trigger Discharger Gap
–
30
110
–
mV
VOVP
Overshoot Voltage for Discharge
–
5.64
5.74
5.84
V
IOVP
Overshoot Current for Discharge
VCC=VOVP+0.1V, VCC pin is
connected to a 20
Ω resistor
40
–
100
mA
Synchronous Voltage Detect
VTHON
Gate Turn-on Threshold
–
0
–
1
V
VTHOFF
Gate Turn-off Threshold
–
-13
-9
-5
mV
tDON
Turn-on Delay Time
From VTHON to VDRISR=1V
–
70
130
ns
tDOFF
Turn-off Propagation Delay Time
From VTHOFF to VDRISR=3V
–
100
150
ns
tRG
Gate Turn-on Rising Time
From 1V to 3V, CL=4.7nF
–
50
100
ns
tFG
Gate Turn-off Falling Time
From 3V to 1V, CL=4.7nF
–
50
100
ns
tLEB_S
Minimum On Time
(VDET-VCC)*tONP = 25Vµs
0.9
1.8
2.7
μs
tLEB_L
(VDET-VCC)*tONP = 50Vµs
–
–
6.5
VDRISR_HIGH
Drive Output Voltage
VCC=5V
3.7
–
–
V
VS_MIN
SR Minimum Operating Voltage
(Note 6)
–
–
–
4.5
V
tOVP_LAST
Added OVP Discharge Time
–
–
2.0
–
ms
Kqs
(Note 7)
(VDET-VCC)*tONP = 25Vµs
0.325
–
0.515
mA*
μs
Notes:
6. This item specifies the minimum SR operating voltage of VIN_DC, VIN_DC≥NPS*VS_MIN.
7. This item is used to specify the value of RAREF.



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