AP451SLA Diodes Inc, AP451SLA Datasheet

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AP451SLA

Manufacturer Part Number
AP451SLA
Description
IC CTLR 2CH ADJ W/ENABLE 8-SOIC
Manufacturer
Diodes Inc
Type
Positive Adjustabler
Datasheet
1.AP451SLA.pdf (9 pages)

Specifications of AP451SLA

Number Of Outputs
2
Voltage - Output
Adjustable
Current - Supply
4mA
Voltage - Input
3 ~ 18 V
Operating Temperature
-20°C ~ 85°C
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
AP451SLADITR
2 Channel Linear Controller with Independent Enable Function
- 2 channel linear control Circuitries
- Operating voltage can be up to 18V
- Under Voltage Lockout (UVLO) Protection
- Current limit external BJT only
- Independent enables function
- Low ESR output capacitor (Multi-layer chip
- Adjustable output voltage by external resisters
- 0.8V voltage reference Output
- NPN or N-channel MOSFET driving capability
- 8-pin SOP, PDIP Pb-Free packages
- LCD Monitor/TV
- XDROM, XDSL Product
- M/B, VGA
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
capacitor (MLCC)) application
Features
Applications
Pin Assignment
Ordering Information
Not Recommended for New Design
OUT1
GND
EN1
FB1
1
SOP-8L/PDIP-8L
2
3
4
(Top View)
AP451
8
7
6
5
Vcc
OUT2
EN2
FB2
N : PDIP-8L
S : SOP-8L
Package
AP451 X X
1/9
The AP451 integrates two channel linear controllers
into a single chip, mainly designs for power-supply
regulator. All the functions included an on-chip 0.8V
reference output, an error amplifier, UVLO, current
limit. During low VCC situation, the UVLO makes
sure that the outputs are off until the internal circuit
is operational normally.
Blank: Tube
A :
Name
OUT1
OUT2
GND
EN1
EN2
FB1
FB2
General Description
Pin Descriptions
Vcc
Pin
Packing
Taping
No.
Pin
1
2
3
4
5
6
7
8
Linear Controller CH1output
Channel 1 Voltage Feedback
Channel 1 Enable Pin
Signal Ground
Channel 2 Enable Pin
Channel 2 Voltage Feedback
Linear Controller CH2 output
Supply Voltage
Description
Rev. 1.0 Jun 30, 2005
AP451

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AP451SLA Summary of contents

Page 1

Not Recommended for New Design 2 Channel Linear Controller with Independent Enable Function Features - 2 channel linear control Circuitries - Operating voltage can 18V - Under Voltage Lockout (UVLO) Protection - Current limit external BJT only ...

Page 2

Not Recommended for New Design 2 Channel Linear Controller with Independent Enable Function Block Diagram + Amp _ FB2 + Amp _ FB1 EN1 Bandgap V REF Reference Absolute Maximum Ratings Symbol V Supply Voltage CC V Enable Pin Voltage ...

Page 3

Not Recommended for New Design 2 Channel Linear Controller with Independent Enable Function Electrical Characteristics Reference (REF) Symbol Parameter Connect to FB1 / FB2 Output Voltage Change with OUT1/2 Temperature Under voltage lockout (UVLO) ...

Page 4

Not Recommended for New Design 2 Channel Linear Controller with Independent Enable Function Typical Application Circuit (2) BJT Vin C13 C14 100u 0.1u Vc1 C10 C11 100u 0.1u RB2 Q2 0 AT882D Vout1=1.8V R3 270 C7 C6 100u 0.1u R4 ...

Page 5

Not Recommended for New Design 2 Channel Linear Controller with Independent Enable Function Typical Characteristics Line Regulation (BJT(882):Vcc=Vin, Vc1 & Vc2=3.3V, Iout=0.01A) 0.95 0.90 0.85 0.80 0.75 0.70 0. Vin (V) Line Regulation (BJT(882): Vcc=Vin, Vc1 ...

Page 6

Not Recommended for New Design 2 Channel Linear Controller with Independent Enable Function Typical Characteristics(Continued) Vout Ripple (Vcc=6V; Vc1&Vc2=3.3V; Vout1=1.8V, Vout2=2.5V, Iout1&Iout2=1A, Vripple1=8mV, Vripple2=8mV) Power Transient Test (Use MOS(AF9410N)+220uF (AL) Vcc=6V; Vc=3.3V; Vout1= 1.8V, Iout1=0A~2A) Anachip Corp. www.anachip.com.tw Power Transient ...

Page 7

Not Recommended for New Design 2 Channel Linear Controller with Independent Enable Function Typical Characteristics (with MLCC) Vout1 Ripple-BJT(882) (Vcc = 6V 3.3V ; Vout1= 1.8V, Iout1=0A) Vout1=1.8V(AC) Transient Test- BJT(882) (Vcc=6V; Vc=3.3V; Vout1=1.8V, Iout1=0A~2A) Vout1=1.8V(AC) Vout1 Ripple- ...

Page 8

Not Recommended for New Design 2 Channel Linear Controller with Independent Enable Function Marking Information Logo Part No. Package Information (1) SOP- (4X Dimensions In Millimeters Symbol Min. A 1.40 A1 0.10 A2 1.30 B ...

Page 9

Not Recommended for New Design 2 Channel Linear Controller with Independent Enable Function Package Information (Continued) (2) PDIP PIN #1 INDENT O0.025 DEEP 0.006-0.008 inch 7 (4X Dimensions in millimeters Symbol Min ...

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