AP1121 ANACHIP [Anachip Corp], AP1121 Datasheet

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AP1121

Manufacturer Part Number
AP1121
Description
Dual 1A Low Dropout Positive Regulator
Manufacturer
ANACHIP [Anachip Corp]
Datasheet

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Part Number
Manufacturer
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Company:
Part Number:
AP1121BSG-13
Quantity:
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Part Number:
AP1121BSL-13
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Dual 1A Low Dropout Positive Regulator
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.
1.3V maximum dropout at full load current
Fast transient response
Output current limiting for each channel.
Built-in thermal shutdown each channel.
Good noise rejection
Dual output ch1=3.3V, ch2=2.5V
Pb-Free Packages: SOP-8L
PC peripheral
Communication
Features
Applications
Connection Diagram
Ordering Information
V
V
OUT2
OUT1
V
V
IN
IN
1
2
3
4
(Top View)
AP1121
(1.8V for B version)
A : CH1=3.3V
B : CH1=3.3V
8
7
6
5
CH2=2.5V
CH2=1.8V
Vout
GND
GND
GND
GND
AP 1121 X X X
S : SOP-8L
Package
1/5
AP1121 series are low dropout positive regulator
with minimum of 1A output current capability. The
product
well-regulated supply for low voltage IC applications
such as high-speed bus termination and low current
3.3V/2.5V or 3.3V/1.8V logic supply. AP1121 series
are guaranteed to have <1.3V dropout at full load
current making it ideal to provide well regulated
outputs dual channels with up to 18V input supply.
General Description
Pin Descriptions
3.3V(V
2.5V/1.8V
(V
NAME
GND
V
OUT2
is
IN
Blank : Tube
A
OUT1
Packing
)
specifically
: Taping
)
Ground
The output of the regulator. A
The input pin of regulator.
minimum of 10uF capacitor
must be connected from this
pin to ground to insure
stability.
Typically a large storage
capacitor is connected from
this pin to ground.
designed
FUNCTION
Rev. 0.0 Mar. 4, 2004
AP1121
to
provide

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AP1121 Summary of contents

Page 1

... IC applications such as high-speed bus termination and low current 3.3V/2.5V or 3.3V/1.8V logic supply. AP1121 series are guaranteed to have <1.3V dropout at full load current making it ideal to provide well regulated outputs dual channels with up to 18V input supply. Pin Descriptions ...

Page 2

... GND GND IN C2 100uF 2.5V/1A V GND OUT2 C3 100uF (3.3V/2.5V Dual output ) Parameter + + 1.25V - CURRENT LIMIT + + + 1.25V - CURRENT LIMIT + 2/5 AP1121 Rating Unit -0 Internally Limited o -65 to +150 +150 OUT1 + 5/6 GND 4 V OUT2 + 7/8 GND Rev. 0.0 Mar. 4, 2004 ...

Page 3

... Dual 1A Low Dropout Positive Regulator Electrical Characteristics PARAMETER AP1121_ - V Output Voltage AP1121A - V AP1121B - V Line Regulation I =10mA,V O AP1121 series V OUT1 Load Regulation AP1121 series V OUT2 Dropout Voltage I = 1A,∆V OUT ( OUT Current Limit ( OUT o 0 C≦Tj≦125 Minimum Load Current ...

Page 4

... 1uF 20 C out = 10 uF Tantalum Preload = 100mA 10 0 -10 - Load Transient Response 4/5 AP1121 100 125 0 Temperature ( Input Voltage (V) Line Regulation 100 TIME (us) Rev. 0.0 Mar. 4, 2004 ...

Page 5

... A 1.40 A1 0.10 A2 1.30 B 0.33 C 0.19 D 4. 5. θ 0 Anachip Corp. www.anachip.com.tw ( Top View ) 3.3V/2.5V version B : 3.3V/1.8V version AP1121 code: internal Xth week: 01~52 Year: "01" =2001 1 4 SOP-8L Dimensions In Inches Nom. Max. Min. 1.60 1.75 0.055 - 0.25 0.040 1.45 1.50 0.051 0.41 0.51 0.013 0.20 0.25 0.0075 5.05 5.30 0.189 3.90 4.10 0.146 1 ...

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