AP2004(2006) 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
Conditions
Min. Typ. Max. Unit
Comp connect to FB
1.225 1.25 1.275 V
VREF
Output voltage change with
temperature
Under voltage lockout (UVLO)
TA = -20ºC ~ 25ºC
TA = 25ºC ~ 85ºC
-0.1 ±1 %
-0.2 ±1 %
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
VUT
Upper threshold voltage (VCC)
VLWT
Lower threshold voltage (VCC)
VHT
Hysteresis (VCC)
Short-circuit protection (SCP) control
IO(REF) = 0.1mA
TA = 25ºC
2.9
V
2.4
V
500
mV
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
VIT
Input threshold voltage
VSTB
Standby voltage
VLT
Latched input voltage
ISCP
Input (source) current
VCT
Comparator threshold voltage
(COMP)
Oscillator (OSC)
TA = 25ºC
No pull up
No pull up
VI = 0.7V, TA = 25ºC
0.60 0.67 0.75 V
100 130 160 mV
50 100 mV
-10 -15 -20 µA
1.5
V
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
FOSC
Frequency
∆FOSC
Standard deviation of frequency
Frequency change with voltage
Error-amplifier
Symbol
Parameter
CT = 270 pF
CT = 270 pF
VCC = 3.6V ~ 20V
Conditions
200
KHz
10
%
1
Min. Typ. Max. Unit
VIO
Input offset voltage
VO (FB) = 1.25V
IIO
Input offset current
VO (FB) = 1.25V
IIB
Input bias current
VO (FB) = 1.25V
VCM
Common-mode input voltage
range
VCC = 3.6V ~ 20V
AV
Open-loop voltage
amplification
RF = 200 kΩ
±6 mV
±100 nA
160 500 nA
1.05
1.45 V
70
80
dB
GBW
Unity-gain bandwidth
1.5
MHz
CMRR Common-mode rejection ratio
60
80
dB
VOH
Max. output voltage
Vref-0.1
V
VOL
Min. output voltage
1
V
IOI
Output (sink) current (COMP) VID = -0.1V, VO = 1.25V 0.5 1.6
mA
IOO
Output (source) current
(COMP)
VID = 0.1V, VO = 1.25V
-45
-70
µA
AP2004 Rev. 2
4 of 8
www.diodes.com
DECEMBER 2006
© Diodes Incorporated
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