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AP131 PDF даташит

Спецификация AP131 изготовлена ​​​​«Anachip» и имеет функцию, называемую «300mA Low Dropout Linear Regulator».

Детали детали

Номер произв AP131
Описание 300mA Low Dropout Linear Regulator
Производители Anachip
логотип Anachip логотип 

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AP131 Даташит, Описание, Даташиты
300mA Low Dropout Linear Regulator with Shutdown
AP131
„ Features
- Input voltage range is up to 7V
- Dropout voltage 400mV at 300mA output current
- Guaranteed 300mA output current.
- Internal Ron =1.5PMOS draws no base current
- Low quiescent current 50µA
- Output voltage 2% accuracy, and 1.5V to 5V with
0.1V step
- Active low shutdown function (EN pin).
- Fast transient response
- Good load regulation
- Current limit and thermal shutdown protection
- SOT89-5L and SOT23-5L packages
„ Applications
- Wireless Communication
- Battery Powered device
- CD-ROM, DVD, and LAN Card
- PC peripheral
„ General Descriptions
The AP131 is a 300mA, fixed output voltage, low
dropout linear regulator. The Device included pass
element, error amplifier, band-gap, current limit and
thermal shutdown circuitry. The device is ON when
EN pin is set to logic high level.
The characteristics of low dropout voltage and less
quiescent current make it good for some critical
current application, for example, some battery
powered devices. The typical quiescent current is
approximately 50µA from zero to maximum load.
Due to internal flexible design, result in extensively
fixed output voltage versions and make it
convenient to use for applications. Built-in
current-limit and thermal-shutdown functions
prevent any fault condition from IC damage. An
external capacitor can be connected to the BP pin
and reduce the output noise.
„ Pin Assignments
(Top View)
EN
GND
IN
1
2
3
5 BP
4 OUT
SOT89-5L
(Top View)
IN
GND
EN
1
2
3
5 OUT
4 BP
SOT23-5L
„ Pin Descriptions
Name
IN
GND
EN
BP
OUT
Description
Input voltage
Ground
Enable pin
Bandgap
Output voltage
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. 1.2 Oct 28, 2004
1/7









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AP131 Даташит, Описание, Даташиты
300mA Low Dropout Linear Regulator with Shutdown
AP131
„ Ordering Information
AP131 XX X X X
Output voltage
15: 1.5V
25: 2.5V
50: 5.0V
Package
Y : SOT89-5L
W: SOT23-5L
Lead Free
Blank : Normal
L : Lead Free Package
Packing
Blank:Tube
A : Taping
„ Block Diagram
IN
CLuirmreint t
EN Enable
SThhuetdrmowaln
Error
Amp
-+
Bandgap 1.08V
BP
„ Absolute Maximum Ratings
Symbol
VCC
TOP
TST
PD
ΘJA
Parameter
Input voltage
Operating junction temperature range
Storage temperature range
Power dissipation, PD @TA=25ºC
SOT89-5L
SOT23-5L
Package thermal resistance
SOT89-5L
SOT23-5L
OUT
GND
Rating
-0.1 to +7
-40 to +125
-65 to +150
+0.5
+0.25
+100
+250
Unit
V
ºC
ºC
W
W
ºC/W
ºC/W
Anachip Corp.
www.anachip.com.tw
Rev. 1.2 Oct 28, 2004
2/7









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AP131 Даташит, Описание, Даташиты
300mA Low Dropout Linear Regulator with Shutdown
AP131
„ Electrical Characteristics
TA=25ºC, CIN=1µF, COUT=10µF, unless otherwise specified.
Symbol
Parameter
Conditions
VDROP
ILIMIT
VLINE
VLOAD
VOUT
PSRR
ISB
IQ
IEN
VENON
VENOFF
TDELAY
Dropout voltage (Note 1)
Current Limit (Note 2)
Line regulation
Load regulation (Note 3)
Output voltage accuracy
Output voltage temperature
coefficient (Note 4)
Ripple Rejection
Standby current
Quiescent current
Enable pin current
Enable pin voltage
Enable delay time
IL=300mA
VIN=5V, VOUT=0V
IL=1mA, VIN=5~7V
IL=1~300mA, VIN=5V
IL=1mA, VIN=5V
F=100Hz,
CIN=1µF, CO=10uF,
IL=100mA
IL=0mA, VIN=5V, EN=0V
IL=0mA, VIN=5V, EN=5V
Output ON
Output OFF
CBP=0.1µF, COUT=1µF,
IOUT=30mA
Min.
-
350
-
-
-2
-
Typ.
400
450
0.1
30
-
50
Max.
500
-
0.3
35
+2
Unit
mV
mA
%/V
mV
%
150 PPM/ºC
- 60 -
dB
- - 5 µA
-
50 100
µA
- - < 0.1 µA
1.5 - VIN V
0 - 0.8 V
- 8 - µS
Note 1. Dropout voltage is defined as the input to output differential voltage. Dropout is measured at constant junction temperature by
using pulsed ON time, and the criterion is VOUT inside target value ±2%. This test is skipped at the condition of VIN<3V.
Note 2. Current limit is measured at constant junction temperature by using pulsed testing with a low ON time.
Note 3. Regulation is measured at constant junction temperature by using pulsed testing with a low ON time.
Note 4. Guaranteed by design.
„ Typical Application Circuit
VIN
CIN
1uF
AP131
IN
GND
EN
OUT
BP
CBP
0.1uF
ON
EN
OFF
VOUT
COUT
10uF
Anachip Corp.
www.anachip.com.tw
Rev. 1.2 Oct 28, 2004
3/7










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