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AP6503SP-13 데이터시트(PDF) 4 Page - Diodes Incorporated

부품명 AP6503SP-13
상세설명  340kHz 23V 3A SYNCHRONOUS DC/DC BUCK CONVERTER
PDF  13 Pages
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제조업체  DIODES [Diodes Incorporated]
홈페이지  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP6503SP-13 데이터시트(HTML) 4 Page - Diodes Incorporated

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AP6503
340kHz 23V 3A SYNCHRONOUS DC/DC BUCK CONVERTER
AP6503
Document number: DS35077 Rev. 1 - 2
4 of 13
www.diodes.com
September 2011
© Diodes Incorporated
Electrical Characteristics (VIN = 12V, TA = +25°C, unless otherwise noted)
Symbol
Parameter
Test Conditions
Min
Typ.
Max
Unit
IIN
Shutdown Supply Current
VEN = 0V
0.3
3.0
µA
IIN
Supply Current (Quiescent)
VEN = 2.0V, VFB = 1.0V
0.6
1.5
mA
RDS(ON)1
High-Side Switch On-Resistance
(Note 6)
100
m
Ω
RDS(ON)2
Low-Side Switch On-Resistance
(Note 6)
100
m
Ω
ILimit
HS Current Limit
Minimum duty cycle
5.5
A
ILimit
LS Current Limit
From Drain to Source
0.9
A
High-Side Switch Leakage Current
VEN = 0V, VSW = 0V,
Vsw=12V
0
10
μA
AVEA
Error Amplifier Voltage Gain (Note 5)
800
V/V
GEA
Error Amplifier Transconductance
ΔIC = ±10μA
1000
uA/V
GCS
COMP to Current Sense
Transconductance
2.8
A/V
FSW
Oscillator Frequency
VFB = 0.75V
300
340
380
kHz
FFB
Fold-back Frequency
VFB = 0V
0.30
fSW
DMAX
Maximum Duty Cycle
VFB = 800mV
90
%
TON
Minimum On Time
200
ns
VFB
Feedback Voltage
TA = -40°C to +85°C
900
925
950
mV
Feedback Overvoltage Threshold
1.1
V
VEN_Rising
EN Rising Threshold
0.7
0.8
0.9
V
EN Lockout Threshold Voltage
2.2
2.5
2.7
V
EN Lockout Hysteresis
220
mV
INUVVth
VIN Under Voltage Threshold Rising
3.80
4.05
4.40
V
INUVHYS
VIN Under Voltage Threshold
Hysteresis
250
mV
Soft-Start Current
VSS = 0V
6
μA
Soft-Start Period
CSS = 0.1µF
15
ms
TSD
Thermal Shutdown
150
°C
Note:
6. Guaranteed by design



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