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PDF AP2001 Data sheet ( Hoja de datos )
| Número de pieza | AP2001 | |
| Descripción | MONOLITHIC DUAL CHANNEL PWM CONTROLLER | |
| Fabricantes | Diodes Incorporated | |
| Logotipo |  |
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AP2001
MONOLITHIC DUAL CHANNEL PWM CONTROLLER
Features
• Dual PWM control circuitry
• Operating voltage can be up to 40V
• Adjustable Dead Time Control (DTC)
• Under Voltage Lockout (UVLO) protection
• Short Circuit Protection (SCP)
• Variable oscillator frequency: 500KHz Max
• 2.5V voltage reference output
• SOP-16L package
• Lead Free Finish/RoHS Compliant for Lead Free
products (Note 1)
General Description
The AP2001 integrates Pulse-width-Modulation (PWM) control
circuit into a single chip, mainly designed for power-supply
regulator. All the functions included are an on-chip 2.5V
reference output, two error amplifiers, an adjustable oscillator,
two dead-time comparators, UVLO, SCP, DTC circuitry, and dual
common-emitter (CE) output transistor circuit.
Recommend the output CE transistors as pre-driver for Driving
externally. The DTC can provide from 0% to 100%. Switching
frequency can be adjustable by trimming RT and CT. During low
VCC situation, the UVLO makes sure that the outputs are off until
the internal circuit is operating normally.
Applications
• Backlight inverter
• DC/DC converts in computers, etc.
Ordering Information
AP 2001 X X X
Package
S : SOP-16L
Lead Free
L : Lead Free Package
(Note 2)
Packing
- U : Tube
- 13 : Taping
Note: 1. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.
Device
Package
Code
Packaging
(Note 2)
Tube
Quantity
Part Number
Suffix
13” Tape and Reel
Quantity
Part Number Suffix
AP2001S
Lead-free
S
SOP-16L
50
-U 2500/Tape & Reel
-13
Note: 2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
AP2001 Rev. 2
1 of 8
www.diodes.com
DECEMBER 2006
© Diodes Incorporated
1 page  
AP2001
MONOLITHIC DUAL CHANNEL PWM CONTROLLER
Electrical Characteristics ( Continued )
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 (FB)
Oscillator (OSC)
Conditions
TA = 25ºC
No pull up
No pull up
VI = 0.7V, TA = 25ºC
Min.
0.65
140
-10
Typ.
0.7
185
60
-15
1.18
Max.
0.75
230
120
-20
Unit
V
mV
mV
µA
V
Symbol
Parameter
Conditions
FOSC
Frequency
CT = 330 pF, RT = 10 KΩ
Standard Deviation of Frequency CT = 330 pF, RT = 10 KΩ
∆FOSC
Frequency Change with Voltage
VCC = 3.6V ~ 40V
Frequency
Change
with
Temperature
TA
TA
=
=
-20ºC ~ 25ºC
25ºC ~ 85ºC
Dead-time control (DTC)
Min.
Typ.
200
10
1
-0.4
-0.2
Max. Unit
KHz
±2 %
±2
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
IBDT Input Bias Current
IDT Latch Mode (Source) Current
TA = 25ºC
VDT Latched Input Voltage
IO = 40µA
VT0
VT100
Input Threshold Voltage at f= 10 KHz Zero duty cycle
Maximum duty cycle
Error-amplifier
-80 -145 1 µA
2.3
2.05 2.25 V
1.2 1.45
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
VIO
IIO
IIB
VCM
AV
GBW
CMRR
VOH
VOL
IOI
IOO
Input Offset Voltage
Input Offset Current
Input Bias Current
VO (FB) = 1.25V
VO (FB) = 1.25V
VO (FB) = 1.25V
Common-mode Input Voltage
Range
VCC = 3.6V ~ 40V
Open-loop Voltage
Amplification
Unity-gain Bandwidth
Common-mode Rejection
Ratio
Max. Output Voltage
Min. Output Voltage
Output (Sink) Current (FB)
Output (Source) Current (FB)
RF = 200 KΩ
VID = -0.1V, VO = 1.25V
VID = 0.1V, VO = 1.25V
1.05
to
1.45
70
60
Vref-0.1
0.5
-45
160
80
1.5
80
1.6
-70
±6
±100
500
mV
nA
nA
V
dB
MHz
dB
V
1V
mA
µA
AP2001 Rev. 2
5 of 8
www.diodes.com
DECEMBER 2006
© Diodes Incorporated
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet AP2001.PDF ] | |
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