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AP2014ASM Datenblatt(PDF) 4 Page - Diodes Incorporated

Teilenummer AP2014ASM
Bauteilbeschribung  SYNCHRONOUS PWM DC-DC BUCK CONTROLLER
PDF  13 Pages
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Hersteller  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP2014ASM Datenblatt(HTML) 4 Page - Diodes Incorporated

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AP2014/A
SYNCHRONOUS PWM DC-DC BUCK CONTROLLER
DS30883 Rev. 1 - 0
4 of 13
AP2014/A
www.diodes.com
© Diodes Incorporated
Electrical Characteristics
Unless otherwise specified, these specifications apply over VCC=5V, VC=12V and TA=0 to 70°C. Typical values refer to TA =25°C. Low
duty cycle pulse testing is used which keeps junction and case temperatures equal to the ambient temperature.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Reference Voltage
AP2014
1.225
1.25
1.275
VFB
FB Voltage
AP2014A
0.784
0.8
0.816
V
LREG
FB Voltage Line Regulation
5 < Vcc < 12
-
0.2
0.35
%
UVLO
UVLO Threshold - VCC
4.0
4.2
4.4
V
UVLO VCC
UVLO Hysteresis - VCC
Supply Ramping Up
-
0.25
-
V
UVLO Threshold - VC
3.1
3.3
3.5
V
UVLO VC
UVLO Hysteresis - VC
Supply Ramping Up
-
0.2
-
V
FB Ramping Down
(AP2014)
0.4
0.6
0.8
V
UVLO Threshold - FB
FB Ramping Down
(AP2014A)
0.3
0.4
0.5
V
UVLO FB
UVLO Hysteresis - FB
-
0.1
-
V
Supply Current
Operation ICC VCC Operation Supply Current
Freq=200KHz,
CL=1500pF
-
7
10
mA
Operation IC VC Operation Supply Current
Freq=200KHz,
CL=1500pF
-
7
10
mA
ICCQ
VCC Static Supply Current
SS=0V
-
3.3
6
mA
ICQ
VC Static Supply Current
SS=0V
-
1
4.5
mA
Soft-Start Section
SSIB
Charge Current
SS=0V
10
20
30
µA
Error Amp
IFB1
FB Voltage Input Bias Current
SS=3V, FB=1V
-
-0.1
-
µA
IFB2
FB Voltage Input Bias Current
SS=0V, FB=1V
-
-64
-
µA
gm
Transconductance
450
600
750
µmho
Oscillator
AP2014
170
200
230
KHz
Freq
Frequency
AP2014A
340
400
460
KHz
VRAMP
Ramp-Amplitude Voltage
1.225
1.25
1.275
V
Output Drivers
Tr
Rise Time
CL =1500pF
-
50
100
ns
Tf
Fall Time
CL =1500pF
-
50
100
ns
TDB
Dead Band Time
50
150
250
ns
TON
Max Duty Cycle
FB=1V, Freq=200KHz
85
90
95
%
TOFF
Min Duty Cycle
FB=1.5V
0
0
-
%
Function Description



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