參數(shù)資料
型號(hào): LX8821
廠商: Microsemi Corporation
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
中文描述: 無(wú)電容,NMOS管,150mA的低壓差穩(wěn)壓器的反向電流保護(hù)
文件頁(yè)數(shù): 2/6頁(yè)
文件大?。?/td> 257K
代理商: LX8821
P
RODUCTION DATA
S
HEET
Microsemi
Microsemi Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 2
Copyright
2005
Rev. 1.1, 2005-03-09
W
M
.
C
LX8821
D
UAL
C
HANNEL
2.5A
L
OW
D
ROPOUT
R
EGULATOR
TM
A B S O L U T E M A X I M U M R A T I N G S
Input Voltage (V
CTRL
, V
PWR
).........................................................................13.5V
Load Current (Internally Limited) ..................................................................3.0A
Power Dissipation......................................................................Internally Limited
Short-Circuit Protection..........................................................................Indefinite
Operating Junction Temperature.................................................................. 150
°
C
Storage Temperature Range...........................................................-65
°
C to 150
°
C
Peak Package Solder Reflow Temperature
(40 second maximum exposure).....................................................260°C (+0, -5)
Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to
Ground. Currents are positive into, negative out of specified terminal
.
T H E R M A L D A T A
DF
Plastic S-Pak 7-Pin
THERMAL RESISTANCE
-
JUNCTION TO
T
AB
,
θ
JT
THERMAL RESISTANCE
-
JUNCTION TO
A
MBIENT
,
θ
JA
4.5
°
C/W
20 - 50
°
C/W
Junction Temperature Calculation: T
J
= T
A
+ (P
D
x
θ
JA
).
The
θ
JA
numbers are guidelines for the thermal performance of the device/pc-board system.
All of the above assume no ambient airflow.
θ
JA
can vary from 10
°
C/W to > 50
°
C/W
depending on mounting technique. (See Application Notes Section: Thermal considerations)
P A C K A G E P IN O U T
DF P
ACKAGE
(Top View)
1
V
CTRL
V
OUT1
V
PWR
GND
V
OUT2
2
3
4
5
TAB is GND
ADJ
V2
6
NC
7
Pin 4 and Tab are common
RoHS 100% Matte Tin Lead Finish
F U N C T I O N A L P I N D E S C R I P T I O N
P
IN
N
AME
D
ES CRIPT ION
1
V
CTRL
Unregulated input voltage supply, provides bias for control circuitry, (V
CTRL
– V
OUT
) > 1V.
2
V
OUT1
Regulator #1 fixed output voltage, 1.5V nominal.
3
V
PWR
Unregulated input voltage supply for power section. For proper operation: (V
PWR
– V
OUT
) > V
DROPOUT
.
4
GND
Common terminal for ground reference, Tab of package is internally connected to this pin.
5
V
OUT2
Regulator #2 output
6
ADJ
V2
Regulator #2 feedback voltage, servos to 1.25V. Using external resistors to program V
OUT2
.
7
---
Not used, no internal connection, may be left floating or connected to any other pin or voltage.
P
A
C
K
A
G
E
D
A
T
A
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