AP2004 Ver la hoja de datos (PDF) - Diodes Incorporated.
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AP2004 Datasheet PDF : 8 Pages
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AP2004
PWM BUCK CONTROLLER
Electrical Characteristics (TA = 25ºC, VCC = 6V, f = 200 Khz)
Reference (REF)
Symbol
Parameter
VREF
Comp connect to FB
Output voltage change with
temperature
Under voltage lockout (UVLO)
Symbol
Parameter
VUT
Upper threshold voltage (VCC)
VLWT
Lower threshold voltage (VCC)
VHT
Hysteresis (VCC)
Short-circuit protection (SCP) control
Symbol
Parameter
VIT
Input threshold voltage
VSTB
Standby voltage
VLT
Latched input voltage
ISCP
Input (source) current
VCT
Comparator threshold voltage
(COMP)
Oscillator (OSC)
Symbol
Parameter
FOSC
Frequency
ΔFOSC
Standard deviation of frequency
Frequency change with voltage
Error-amplifier
Symbol
Parameter
VIO
Input offset voltage
IIO
Input offset current
IIB
Input bias current
VCM Common-mode input voltage range
AV
Open-loop voltage amplification
GBW Unity-gain bandwidth
CMRR Common-mode rejection ratio
VOH
Max. output voltage
VOL
Min. output voltage
IOI
Output (sink) current (COMP)
IOO
Output (source) current (COMP)
Conditions
TA = -20ºC ~ 25ºC
TA = 25ºC ~ 85ºC
Conditions
IO(REF) = 0.1mA
TA = 25ºC
Conditions
TA = 25ºC
No pull up
No pull up
VI = 0.7V, TA = 25ºC
Min
1.225
Typ.
1.25
-0.1
-0.2
Min Typ.
2.9
2.4
500
Min Typ.
0.60 0.67
100 130
50
-10 -15
1.5
Conditions
CT = 270 pF
CT = 270 pF
VCC = 3.6V ~ 20V
Min Typ.
200
10
1
Conditions
VO (FB) = 1.25V
VO (FB) = 1.25V
VO (FB) = 1.25V
VCC = 3.6V ~ 20V
RF = 200 kΩ
Min Typ.
160
1.05
70 80
1.5
60 80
Vref-0.1
VID = -0.1V, VO = 1.25V 0.5 1.6
VID = 0.1V, VO = 1.25V -45 -70
Max
1.275
±1
±1
Max
Max
0.75
160
100
-20
Max
Max
±6
±100
500
1.45
1
Unit
V
%
%
Unit
V
V
mV
Unit
V
mV
mV
µA
V
Unit
KHz
%
Unit
mV
nA
nA
V
dB
MHz
dB
V
V
mA
µA
AP2004 Rev. 3
4 of 8
www.diodes.com
FEBRUARY 2009
© Diodes Incorporated
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