LT3085 LINER [Linear Technology], LT3085 Datasheet - Page 28

• Manufacturer Part Number: LT3085
• Description: Adjustable 500mA Single Resistor Low Dropout Regulator
• Manufacturer: LINER [Linear Technology]

LT3085
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER
LDOs
LT1086
LT1763
LT3021
LT3080
LT3080-1
LT1963A
LT1965
LTC
Switching Regulators
LT1976
LTC3414
LTC3406/LTC3406B
LTC3411
VLDO and ThinSOT are trademarks of Linear Technology Corporation.
28
®
3026
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
1.5A Low Dropout Regulator
500mA, Low Noise LDO
500mA VLDO Regulator
1.1A, Parallelable, Low Noise,
Low Dropout Linear Regulator
Parallelable 1.1A Adjustable Single
Resistor Low Dropout Regulator
(with Internal Ballast R)
1.5A Low Noise, Fast Transient
Response LDO
1.1A Low Noise LDO
1.5A Low Input Voltage VLDO
Regulator
High Voltage, 1.5A Step-Down
Switching Regulator
4A (I
Step-Down DC/DC Converter
600mA (I
Step-Down DC/DC Converter
1.25A (I
Step-Down DC/DC Converter
●
OUT
FAX: [phone]
OUT
), 4MHz Synchronous
OUT
), 4MHz Synchronous
), 1.5MHz Synchronous
4.8V TO 36V
●
V
IN
www.linear.com
TM
1μF
COMMENTS
Fixed 2.85V, 3.3V, 3.6V, 5V and 12V Output
300mV Dropout Voltage, Low Noise = 20μV
V
SO-8 Packages
300mV Dropout Voltage (2-Supply Operation), Low Noise = 40μV
V
(No Op Amp Required), Stable with Ceramic Capacitors, TO-220, SOT-223, MSOP and
3mm × 3mm DFN Packages
300mV Dropout Voltage (2-Supply Operation), Low Noise = 40μV
V
(No Op Amp Required), Stable with Ceramic Capacitors, TO-220, SOT-223, MSOP and
3mm × 3mm DFN Packages. LT3080-1 Version Has Integrated Ballast Resistor
340mV Dropout Voltage, Low Noise = 40μV
and SO-8 Packages
290mV Dropout Voltage, Low Noise = 40μV
Stable with Ceramic Caps TO-220, DDPak, MSOP and 3mm × 3mm DFN Packages
V
I
f = 200kHz, I
95% Effi ciency, V
95% Effi ciency, V
ThinSOT
95% Effi ciency, V
DFN Packages
Q
IN
OUT
OUT
IN
= 950μA, Stable with 10μF Ceramic Capacitors, 10-Lead MSOP and DFN Packages
V
V
: 0.9V to 10V, Dropout Voltage = 190mV, V
: 1.14V to 3.5V (Boost Enabled), 1.14V to 5.5V (with External 5V), V
Paralleling Regulators
CONTROL
CONTROL
: 0V to 35.7V, Current-Based Reference with 1-Resistor V
: 0V to 35.7V, Current-Based Reference with 1-Resistor V
IN
IN
TM
Package
Q
SET
SET
165k
= 100μA, TSSOP-16E Package
LT3080
LT3085
+
–
+
–
IN
IN
IN
: 2.25V to 5.5V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
OUT 10mΩ
OUT 20mΩ
OUT(MIN)
OUT(MIN)
OUT(MIN)
3085 TA14
10μF
RMS
RMS
RMS
V
3.3V
1.5A
= 0.6V, I
= 0.8V, I
OUT
ADJ
= 0.8V, TSSOP Package
, V
, V
, V
= 200mV, 5mm × 5mm DFN-16,
IN
IN
IN
: 1.8V to 20V, SO-8 Package
: 2.5V to 20V, TO-220, DD, SOT-223
: 1.8V to 20V, V
Q
Q
© LINEAR TECHNOLOGY CORPORATION 2008
= 20μA, I
= 60μA, I
OUT
OUT
SD
SD
LT 1008 REV A • PRINTED IN USA
RMS
RMS
Set, Directly Parallelable
Set, Directly Parallelable
< 1μA,
< 1μA, 10-Lead MS or
OUT
, V
, V
DO
: 1.2V to 19.5V,
IN
IN
= 0.1V,
: 1.2V to 36V,
: 1.2V to 36V,
3085fa