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AP1115 Fiches technique(PDF) 1 Page - Anachip Corp

No de pièce AP1115
Description  0.6A Low Dropout Positive Adjustable or Fixed-Mode Regulator
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AP1115 Fiches technique(HTML) 1 Page - Anachip Corp

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AP1115
0.6A Low Dropout Positive Adjustable or Fixed-Mode 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.
Rev.1.1 Aug.27, 2004
1/7
Features
1.3V maximum dropout at full load current
Fast transient response
Output current limiting
Built-in thermal shutdown
Packages: SOT89, TO92
Good noise rejection
3-Terminal Adjustable or Fixed 1.5V / 1.8V / 2.5V
/ 2.8V / 3.0V / 3.3V / 3.5V / 5.0V
Applications
PC peripheral
Communication
General Description
AP1115 is a low dropout positive adjustable or
fixed-mode regulator with minimum of 0.6A output
current capability. The product is specifically
designed to provide well-regulated supply for low
voltage IC applications such as high-speed bus
termination and low current 3.3V logic supply.
AP1115 is also well suited for other applications
such as VGA cards. AP1115 is guaranteed to have
<1.3V dropout at full load current making it ideal to
provide well regulated outputs of 1.25V to 5V with
up to 18V input supply.
Connection Diagram (Top View)
Adj (GND)
AP1115B-3 PIN SOT89
Vout
Vin
Tab is Pin2
Adj (GND)
AP1115A-3 PIN SOT89
Vout
Vin
Tab is Pin2
1
2
3
1
2
3
AP1115A-3 PIN TO92
1 Vin
2 GND
3 Vout
AP1115B-3 PIN TO92
1 GND
2 Vin
3 Vout
Pin Descriptions
NAME
I/O
FUNCTION
Adj
(GND)
I
A resistor divider from this pin to the Vout pin and ground sets the output voltage.
(Ground only for Fixed-Mode)
Vout
O
The output of the regulator. A minimum of 10uF capacitor (0.15Ω ≤ ESR ≤ 20Ω)
must be connected from this pin to ground to insure stability.
Vin
I
The input pin of regulator. Typically a large storage capacitor (0.15Ω ≤ ESR ≤
20Ω) is connected from this pin to ground to insure that the input voltage does not
sag below the minimum dropout voltage during the load transient response. This
pin must always be 1.3V higher than Vout in order for the device to regulate
properly.


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