LT3063 200mA LDO Datasheet

LT3063 Datasheet, PDF, Equivalent


Part Number

LT3063

Description

200mA LDO

Manufacture

Linear Technology

Total Page 20 Pages
Datasheet
Download LT3063 Datasheet


LT3063
Fea ures
n Input Voltage Range: 1.6V to 45V
n Output Current: 200mA
n Output Discharge
n Quiescent Current: 45µA
n Dropout Voltage: 300mV
n Low Noise: 30µVRMS (10Hz to 100kHz)
n Adjustable Output (VREF = 600mV)
n Output Tolerance: ±2% Over Load, Line, and
Temperature
n Single Capacitor Soft-Starts Reference and Lowers
Output Noise
n Shutdown Current < 3µA
n Reverse Battery Protection
n Current Limit Foldback and Thermal Limit Protection
n 8-Lead 2mm × 3mm DFN and MSOP Packages
pplica ions
n Battery Powered Systems
n Automotive Power Supplies
n Industrial Power Supplies
n Avionic Power Supplies
n Portable Instruments
n Medical Instruments
LT3063
45V VIN, Micropower,
Low Noise, 200mA LDO
with Output Discharge
Descrip ion
The LT®3063 is a micropower, low dropout (LDO) linear
regulator that operates over a 1.6V to 45V supply range.
The device supplies 200mA of output current with a typi-
cal dropout voltage of 300mV. A single external capacitor
provides programmable low noise reference performance
and outputsoft-startfunctionality.The LT3063’s quiescent
currentismerely 45μA andprovidesfasttransientresponse
with a minimum 3.3μ F output capacitor. In shutdown,
quiescent current is less than 3μA and the reference soft
start capacitor is reset.
The LT3063 features an NMOS pull-down that discharges
the output if SHDN or IN is driven low.
Internalprotectioncircuitry includesreverse-battery protec-
tion, reverse-current protection, current limit with foldback
and thermal shutdown.
The LT3063 is available as an adjustable device with an
output voltage range from the 600mV reference up to 19V.
The LT3063 is offered in the thermally enhanced 8-lead
2mm × 3mm DFN and MSOP packages.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property
of their respective owners.
Typical pplica ion
1.8V Low Noise Regulator
IN OUT
VOUT
1.8V
VIN
2.3V
1µF
LT3063
118k
1%
200mA
10µF
SHDN
ADJ
GND BYP
59k
1%
0.01µF
3063 TA01
Output Discharge
CREF/BYP = 0
vs
VOUT
12V
10V
8V
6V
5V
3.3V
2V
1.2V
0V
SHDN: 0 TO 1V
1ms/DIV
VIN = VOUT +1V
COUT = 10µF
IFB-DIVIDER = 10µA
3063 TA01a
For more information www.linear.com/LT3063
3063f
1
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LT3063
LT3063
bsolu e Maxi u a ings
(Note 1)
IN Pin Voltage .........................................................±50V
OUT Pin Voltage.............................................. +20V, –1V
Input to Output Differential Voltage (Note 2)...........±50V
ADJ Pin Voltage ......................................................±50V
SHDN Pin Voltage ...................................................±50V
REF/BYP Pin Voltage.................................... –0.3V to 1V
Output Short-Circuit Duration .......................... Indefinite
Operating Junction Temperature (Notes 3, 5, 12)
LT3063E, LT3063I ............................. –40°C to 125°C
LT3063MP ......................................... –55°C to 150°C
LT3063H............................................ –40°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MS8E Package Only.......................................... 300°C
in on igura ion
TOP VIEW
REF/BYP 1
8 GND
ADJ 2 9 7 SHDN
OUT 3 GND 6 IN
OUT 4
5 IN
DCB PACKAGE
8-LEAD (2mm × 3mm) PLASTIC DFN
TJMAX = 150°C, θJA = 38°C/W TO 45°C/W, θJC = 3.5°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
REF/BYP 1
8 GND
ADJ 2 9 7 SHDN
OUT 3 GND 6 IN
OUT 4
5 IN
MS8E PACKAGE
8-LEAD PLASTIC MSOP
TJMAX = 150°C, θJA = 29°C/W TO 45°C/W, θJC = 5°C/W to 10°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
r er n or a ion
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3063EDCB#PBF
LT3063EDCB#TRPBF
LGMZ
8-Lead (2mm × 3mm) Plastic DFN
–40°C to 125°C
LT3063IDCB#PBF
LT3063HDCB#PBF
LT3063IDCB#TRPBF
LT3063HDCB#TRPBF
LGMZ
LGMZ
8-Lead (2mm × 3mm) Plastic DFN
8-Lead (2mm × 3mm) Plastic DFN
–40°C to 125°C
–40°C to 150°C
LT3063MPDCB#PBF
LT3063MPDCB#TRPBF LGMZ
8-Lead (2mm × 3mm) Plastic DFN
–55°C to 150°C
LT3063EMS8E#PBF
LT3063EMS8E#TRPBF LTGNB
8-Lead Plastic MSOP
–40°C to 125°C
LT3063IMS8E#PBF
LT3063IMS8E#TRPBF LTGNB
8-Lead Plastic MSOP
–40°C to 125°C
LT3063HMS8E#PBF
LT3063HMS8E#TRPBF LTGNB
8-Lead Plastic MSOP
–40°C to 150°C
LT3063MPMS8E#PBF
LT3063MPMS8E#TRPBF LTGNB
8-Lead Plastic MSOP
–55°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on nonstandard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
3063f
2 For more information www.linear.com/LT3063


Features tA tA t 2V/DIV t Fea ures n Input Voltag e Range: 1.6V to 45V n Output Current: 200mA n Output Discharge n Quiescent Cu rrent: 45µA n Dropout Voltage: 300mV n Low Noise: 30µVRMS (10Hz to 100kHz) n Adjustable Output (VREF = 600mV) n Out put Tolerance: ±2% Over Load, Line, an d Temperature n Single Capacitor Soft-S tarts Reference and Lowers Output Noise n Shutdown Current < 3µA n Reverse Ba ttery Protection n Current Limit Foldba ck and Thermal Limit Protection n 8-Lea d 2mm × 3mm DFN and MSOP Packages ppli ca ions n Battery Powered Systems n Aut omotive Power Supplies n Industrial Pow er Supplies n Avionic Power Supplies n Portable Instruments n Medical Instrume nts LT3063 45V VIN, Micropower, Low No ise, 200mA LDO with Output Discharge De scrip ion The LT®3063 is a micropower, low dropout (LDO) linear regulator tha t operates over a 1.6V to 45V supply ra nge. The device supplies 200mA of outpu t current with a typical dropout voltage of 300mV. A single external .
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