ap1661a BCD Semiconductor Manufacturing Limited, ap1661a Datasheet

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ap1661a

Manufacturer Part Number
ap1661a
Description
High Performance Power Factor Corrector
Manufacturer
BCD Semiconductor Manufacturing Limited
Datasheet

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General Description
The AP1661A is an active power factor control IC
which is designed mainly for use as pre-converter in
electronic ballast, AC-DC adapters and off-line SMPS
applications.
The AP1661A includes an internal start-up timer for
stand-alone applications, a one-quadrant multiplier to
realize near unity power factor and a zero current
detector to ensure DCM boundary conduction opera-
tion. The totem pole output stage is capable of driving
power MOSFET with 600mA source current and
800mA sink current.
Designed with advanced BiCMOS process, the
AP1661A features low start-up current, low operation
current and low power dissipation. The AP1661A also
has rich protection features including over-voltage pro-
tection, input under-voltage lockout with hysteresis
and multiplier output clamp to limit maximum peak
current.
The AP1661A meets IEC61000-3-2 standard even at
one-quadrant load and its THD is lower than 10% at
high-end line voltage and full load.
This IC is available in SOIC-8 and DIP-8 packages.
Jul. 2009 Rev. 1. 0
HIGH PERFORMANCE POWER FACTOR CORRECTOR
SOIC-8
Figure 1. Package Types of AP1661A
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Features
Applications
Comply with IEC61000-3-2 Standard
Proprietary Design for Minimum THD
Zero Current Detection Control for DCM Bound-
ary Conduction Mode
Adjustable Output Voltage with Precise Over-
Voltage Protection
Ultra-low Startup Current: 30
Low Quiescent Current: 2.5mA Typical
Precision Internal Reference Voltage: 1%
Internal Startup Timer
Disable
Consumption
Totem Pole Output with 600mA Source Current
and 800mA Sink Current Capability
Under-voltage Lockout with 2.5V of Hysteresis
AC-DC Adapter
Off-line SMPS
Electronic Ballast
BCD Semiconductor Manufacturing Limited
DIP-8
Function
Preliminary Datasheet
for
µ
Reduced
A Typical
AP1661A
Current

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ap1661a Summary of contents

Page 1

... HIGH PERFORMANCE POWER FACTOR CORRECTOR General Description The AP1661A is an active power factor control IC which is designed mainly for use as pre-converter in electronic ballast, AC-DC adapters and off-line SMPS applications. The AP1661A includes an internal start-up timer for stand-alone applications, a one-quadrant multiplier to realize near unity power factor and a zero current detector to ensure DCM boundary conduction opera- tion ...

Page 2

... HIGH PERFORMANCE POWER FACTOR CORRECTOR Pin Configuration M Package (SOIC-8) INV 1 COMP 2 3 MULT CS 4 Figure 2. Pin Configuration of AP1661A (Top View) Pin Description Pin Number Pin Name 1 2 COMP 3 MULT GND 7 8 Jul. 2009 Rev VCC GND 5 ZCD INV ...

Page 3

... Jul. 2009 Rev COMP MULT 2 3 Multiplier 2.5V Over Voltage Detection R Internal Supply 7V S UVLO Zero Current Detector 2.1V 1.6V Disable 5 ZCD Figure 3. Functional Block Diagram of AP1661A AP1661A - Part Number AP1661AM-G1 AP1661AMTR-G1 AP1661AP-G1 3 Preliminary Datasheet AP1661A CS 4 VCC Q 7 Driver GD Starter 6 GND G1: Green ...

Page 4

... V -0 Source I ZCD Sink DIP-8 R θ JA SOIC-8 DIP-8 P TOT SOIC-8 T -40 to150 J T -65 to 150 STG T 260 LEAD 3000 300 BCD Semiconductor Manufacturing Limited 4 Preliminary Datasheet AP1661A Unit 800 - 100 o C/W 150 ...

Page 5

... V =0V INV Open Loop V I =0.5mA SOURCE I =0.5mA SINK V =4V, V =2.4V COMP INV V =4V, V =2.6V COMP INV 0.5V, / MULT CS V =Upper Clamp Voltage COMP MULT k V =1V, V =4V MULT COMP 5 Preliminary Datasheet AP1661A Min Typ Max 11.7 12.5 13.3 9.5 10 10.5 2.2 2.5 2.8 10 3.5 5 1.4 2.1 2.5 3.75 1.4 2 2.465 2.5 2.535 2.44 2. -0.1 ...

Page 6

... Max -0.05 -1 1.5 1.6 1.7 175 2.1 0.3 0.5 0.7 4.5 5.1 5.9 4.7 5.2 6.1 0.3 0. 150 200 250 100 -100 -200 -300 =12V 2.5 2 2.6 0.9 1.9 40 100 40 100 1 2.1 2.25 2.4 70 150 400 BCD Semiconductor Manufacturing Limited AP1661A Unit µ µ µ µA V µs ...

Page 7

... Figure 5. Feedback Input Threshold vs. Temperature 13.0 12.5 12.0 11.5 11.0 10.5 10.0 9.5 -40 80 100 120 140 C) Figure 7. Under Voltage Lockout Threshold vs. Temperature 7 Preliminary Datasheet AP1661A - 100 o Temperature ( OFF - 100 o Temperature ( C) BCD Semiconductor Manufacturing Limited 120 ...

Page 8

... Figure 9. Output Saturation Voltage vs. Source Current 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3 Figure 11. Multiplier Characteristics Family BCD Semiconductor Manufacturing Limited 8 Preliminary Datasheet AP1661A 100 200 300 400 500 Source Current (mA) V (V) MULT V =2.6V COMP V =2.8V COMP V =3.0V COMP V =3.2V COMP V =3.5V COMP V =4V COMP V =4.5V COMP V =5V COMP V =MAX COMP ...

Page 9

... DIP-8 1.524(0.060) TYP 3.200(0.126) 3.600(0.142) 0.510(0.020)MIN 2.540(0.100) TYP 0.130(0.005)MIN 6.200(0.244) 6.600(0.260) BCD Semiconductor Manufacturing Limited 9 Preliminary Datasheet AP1661A Unit: mm(inch) 0.700(0.028) 7.620(0.300)TYP 5° 0.204(0.008) 0.360(0.014) 8.200(0.323) 9.400(0.370) ...

Page 10

... BCD Semiconductor Manufacturing Limited 10 Preliminary Datasheet AP1661A Unit: mm(inch) 0.320(0.013) 5.800(0.228) 6.200(0.244) 0.800(0.031) 0.200(0.008) 0.450(0.017) 0.800(0.031) ...

Page 11

... BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or other rights nor the rights of others. ...

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