AP2008(2009) Ver la hoja de datos (PDF) - Diodes Incorporated.
Número de pieza
componentes Descripción
Fabricante
AP2008 Datasheet PDF : 8 Pages
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AP2008
PWM BUCK CONTROLLER
Block Diagram
VCC
0.77V
Bandgap
Reference
2.5V
Internal use
SS CT
10K-300KHz / CT value
UVLO
Oscillator
Iss
FB
COMP
Error Amplifier
-
1.5V +
PWM Amplifier
+
+
-
0.7V -
+
VCC
OUT
SCP
GND
Absolute Maximum Ratings
Symbol
VCC
VI
VO
ISOURCE
ISINK
TOP
TST
Parameter
Supply voltage
Amplifier input voltage
Collector output voltage
Source current
Sink current
Operating temperature range
Storage temperature range
Recommended Operating Conditions
Rating
22
20
VCC-1.0V
200
200
-20 to +85
-65 to +150
Unit
V
V
V
mA
mA
oC
oC
Symbol
VCC
VI
VO
IFB
RF
CT
FOSC
Parameter
Supply voltage
Amplifier input voltage
Collector output voltage
Current into feedback terminal
Feedback resistor
Timing capacitor
Oscillator frequency
AP2008 Rev. 2
3 of 8
www.diodes.com
Min
3.6
1.05
100
100
10
Max
Unit
20
V
1.45
V
Vcc-1.5
V
45
µA
kΩ
6800
pF
300
KHz
FEBRUARY 2009
© Diodes Incorporated
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