DataSheet.jp

APE8955 の電気的特性と機能

APE8955のメーカーはAdvanced Power Electronicsです、この部品の機能は「5A ULTRA LOW DROPOUT LINEAR REGULATOR」です。


製品の詳細 ( Datasheet PDF )

部品番号 APE8955
部品説明 5A ULTRA LOW DROPOUT LINEAR REGULATOR
メーカ Advanced Power Electronics
ロゴ Advanced Power Electronics ロゴ 




このページの下部にプレビューとAPE8955ダウンロード(pdfファイル)リンクがあります。
Total 8 pages

No Preview Available !

APE8955 Datasheet, APE8955 PDF,ピン配置, 機能
Advanced Power
Electronics Corp.
APE8955
5A ULTRA LOW DROPOUT LINEAR REGULATOR
FEATURES
Ultra Low Dropout Voltage 200mV at 5A Output Current
Low ESR Output Capacitor (MLCC) Applicable
0.8V Reference Voltage
Fast Transient Response
Current Limit and Thermal Shutdown Protection
Adjustable Output Voltage by External Resistors
Power-on-Reset Monitoring on Both VCNTL and
VIN Pins
Under Voltage Protection
Power OK Output with a Delay Time
Internal Soft-Start
SOP-8 with Exposed Pad Package
RoHS Compliant & Halogen Free
DESCRIPTION
The APE8955 is a 5A ultra low dropout linear regulator.
The product is specifically designed to provide well supply
voltage for front side bus termination on motherboard and
NB applications. The IC needs two supply voltages, a
voltage for the circuitry and a main supply voltage for power
conversion, to reduce power dissipation and provide
extremely low dropout. The APE8955 integrates many
functions. A Power-on-Reset(POR) circuit monitors both
supply voltage to prevent wrong operations. A thermal
shutdown and current limit functions protect the device
against thermal and current over-load. A POK indicates the
output status with time delay which is set internally. It can
control other converter for power sequence. The APE8955
can be enabled by other power system. Pulling and holding
the EN pin below 0.4V shuts off the output.
The APE8955 is available in ESOP-8 package which
features small size as SO-8 and exposed pad to reduce the
junction-to-case resistance, being applicable in 2~3W
applications.
TYPICAL APPLICATION
VCNTL=5V
C1
1uF
R3
1K
6
VCNTL
5
VIN
7
POK
8
EN
4
VOUT
APE8955
3
VOUT
1
GND
2
FB
VIN=1.5V
C2
100uF
C3
0.1uF
R1
1K C6
12~48nF
R2
2K
V O UT=1 .2 V /5 A
C4
220uF
C5
0.1uF
VCNTL=5V
R4
5.1-15Ω
C1
1uF
R3
1K
6
VCNTL
5
VIN
7
POK
4
VOUT
APE8955
8
EN
3
VOUT
1
GND
2
FB
VOUT=VFB x (1+R1/R2)
VFB=0.8V
C2
22uF
VIN=1.5V
R1
39K
R2
78K
V O UT=1 .2 V /5 A
C4
30pF
C3
22uF
Figure 1. Output Capacitor with ESR > 20mΩ
Figure 2. Output Capacitor is MLCC
PACKAGE ORDERING INFORMATION
APE8955
Package type
MP : ESOP-8
Data and specifications subject to change without notice
1
20080910C

1 Page





APE8955 pdf, ピン配列
Advanced Power
Electronics Corp.
ELECTRICAL SPECIFICATIONS(Cont.)
Soft Start Time
EN Pin Logic High Threshold
Voltage
EN Hysteresis
EN Pin Pull-Up Current
Current Limit
Under Voltage Threshold
www.DataSheet4U.cPoOmK Threshold Voltage for Power
OK
POK Threshold Voltage for Power
Not OK
POK Low Voltage
POK Delay Time
Thermal Thutdown Temperature
Thermal Thutdown Hysteresis
TSS
VENH
Enable
IEN
ILIM
VPOK
VPNOK
TDELAY
TSD
EN=GND
VCNTL=3.3 ~ 5V, TJ=25oC
VCNTL=3.3 ~ 5V, TJ=-25~125oC
VFB Falling
VFB Rising
VFB Falling
POK Sinks 5mA
PIN DESCRIPTIONS
PIN SYMBOL
GND
FB
PIN DESCRIPTION
GND Pin
Feedback Pin
VOUT
IC Power Supply Pin
EN H : Normal Operation ; L : Shutdown
POK
Power OK Output Pin
VCNTL
VCNTL Pin Input Voltage
VIN Input Voltage
APE8955
-2-
0.4 0.8 1.2
ms
V
- 30 -
- 10 -
6 89
6--
- 0.4 -
mV
uA
A
A
V
89% 92% 95% VFB
78%
-
0.8
-
-
81%
0.25
2
150
50
84%
0.4
10
-
-
VFB
V
ms
ºC
ºC
BLOCK DIAGRAM
VIN
V CNTL
Power -ON
Res et
EN
GND
Enable
Thermal
Shutdown
C urrent
Limit
Soft-Start
And
Control Logic
N-M OSFET
Error
Amp
-+
Bandgap
UV
+-
0.4V
Delay
POK
POK
90 %
Vref
VOUT
FB
3


3Pages


APE8955 電子部品, 半導体
Advanced Power
Electronics Corp.
TYPICAL PERFORMANCE CHARACTERISTICS
APE8955
180
160
140
120
100
www.DataSheet4U.co8m0
60
40
20
0
0
Dropout Voltage vs. Output Current
125
100
75
50
25
0
-25
-40
12 34 5
IOUT(A)
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
-40
VCNTL Supply Current vs. Temperature
-25 0
25 50 75 100
Tem perature()
125
0.814
0.809
0.804
0.799
0.794
0.789
0.784
-40
Reference Voltage vs. Temperature
-25 0 25 50 75 100
Tem perature()
125
6.7
6.6
6.5
6.4
6.3
6.2
6.1
-40
Current Limit vs. Temperature
-25 0
25 50 75 100
Tem perature ()
125
Current Limit
VOUT
IOUT
EN Pin Floating Test
VEN
VOUT
IOUT
VPOK
Ch1 : VOUT, 500mV/Div
Ch2 : IOUT, 5A/Div
Time : 2ms/Div
Ch1 : VEN, 1V/Div
Ch2 : VOUT, 5V/Div
Ch3 : IOUT, 1A/Div
Ch4 : VPOK, 1V/Div
Time : 1ms/Div
6

6 Page



ページ 合計 : 8 ページ
 
PDF
ダウンロード
[ APE8955 データシート.PDF ]


データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。


共有リンク

Link :


部品番号部品説明メーカ
APE8951

1.5A ULTRA LOW DROPOUT LINEAR REGULATOR

Advanced Power Electronics
Advanced Power Electronics
APE8953

3A ULTRA LOW DROPOUT LINEAR REGULATOR

Advanced Power Electronics
Advanced Power Electronics
APE8955

5A ULTRA LOW DROPOUT LINEAR REGULATOR

Advanced Power Electronics
Advanced Power Electronics
APE8957

7A ULTRA LOW DROPOUT LINEAR REGULATOR

Advanced Power Electronics
Advanced Power Electronics


www.DataSheet.jp    |   2020   |  メール    |   最新    |   Sitemap