LT1963AEQ-1.8 Linear Technology, LT1963AEQ-1.8 Datasheet - Page 28

• Manufacturer Part Number: LT1963AEQ-1.8
• Description: IC LDO REG LONOISE 1.5A 1.8V 5DD
• Manufacturer: Linear Technology

Specifications of LT1963AEQ-1.8

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.8V
• Voltage - Input: Up to 20V
• Voltage - Dropout (typical): 0.34V @ 1.5A
• Number Of Regulators: 1
• Current - Output: 1.5A
• Current - Limit (min): 1.6A
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-5, D²Pak (5 leads + Tab), TO-263BA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LT1963A Series
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER
LT1175
LT1185
LT1761
LT1762
LT1763
LT1764/
LT1764A
LTC1844
LT1962
LT1964
LT1965
LT3020
LT3023
LT3024
LT3080/
LT3080-1
28
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
500mA, Micropower, Negative LDO
3A, Negative LDO
100mA, Low Noise Micropower, LDO
150mA, Low Noise Micropower, LDO
500mA, Low Noise Micropower, LDO
3A, Low Noise, Fast Transient Response,
LDO
150mA, Very Low Drop-Out LDO
300mA, Low Noise Micropower, LDO
200mA, Low Noise Micropower,
Negative LDO
1.1A, Low Noise, Low Dropout Linear
Regulator
100mA, Low Voltage V
V
Dual, 2x 100mA, Low Noise
Micropower, LDO
Dual, 100mA/500mA, Low Noise
Micropower, LDO
1.1A, Parallelable, Low Noise, Low
Dropout Linear Regulator
IN(MIN)
●
FAX: [phone]
= 0.9V
V
NOTE: ADJUST R1 FOR
0A TO 1.5A CONSTANT CURRENT
IN
> 2.7V
LDO,
10µF
C1
●
+
www.linear.com
LT1004-1.2
R3
Adjustable Current Source
2k
COMMENTS
V
DD, SOT-223, PDIP8 Packages
V
TO220-5 Package
V
ThinSOT™ Package
V
V
V
DD, TO220 Packages
V
ThinSOT Package
V
V
ThinSOT Package
290mV Dropout Voltage, Low Noise: 40µV
stable with ceramic caps, TO-220, DD-Pak, MSOP and 3mm × 3mm DFN Packages
V
DFN, MS8 Packages
V
DFN, MS10 Packages
V
DFN, TSSOP Packages
300mV Dropout Voltage (2-Supply Operation), Low Noise: 40µV
V
(no op amp required), stable with ceramic caps, TO-220, SOT-223, MSOP and 3mm × 3mm
DFN Packages; “–1” version has integrated internal ballast resistor
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
OUT
80.6k
: –20V to –4.3V, V
: –35V to –4.2V, V
: 1.8V to 20V, V
: 1.8V to 20V, V
: 1.8V to 20V, V
: 2.7V to 20V, V
: 6.5V to 1.6V, V
: 1.8V to 20V, V
: –0.9V to –20V, V
: 0.9V to 10V, V
: 1.8V to 20V, V
: 1.8V to 20V, V
: 0V to 35.7V, current-based reference with 1-resistor V
R1
R2
1k
3.3µF
C2
0.01
R5
R4
2.2k
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
R6
2.2k
OUT(MIN)
OUT(MIN)
OUT(MIN)
2
3
+
–
LT1366
= 1.22V, V
= 1.22V, V
= 1.22V, V
= 1.21V, V
= 1.22V, V
= 0.20, V
= 1.22V, V
= 1.22V, V
1/2
= 1.25V, V
1µF
IN
SHDN
C3
= –2.40V, V
= –1.21V, V
LT1963A-1.8
= –3.8V, V
8
4
GND
DO
DO
DO
DO
DO
DO
DO
DO
OUT
1
DO
= 0.15V, I
FB
DO
= 0.30V, I
= 0.30V, I
= 0.30V, I
= 0.34V, I
= 0.27V, I
= 0.30V, I
= 0.30V, I
DO
= 0.08V, I
DO
RMS
= 0.50V, I
= 0.80V, I
= 0.34V, I
, V
R7
470
LOAD
IN
Q
1963A TA04
: 1.8V to 20V, V
Q
Q
Q
Q
Q
Q
Q
= 120µA, I
Q
R8
100k
 LINEAR TECHNOLOGY CORPORA TION 2005
= 20µA, I
= 25µA, I
= 30µA, I
= 1mA, I
= 30µA, I
= 40µA, I
= 60µA, I
= 40µA, I
Q
Q
Q
= 45µA, I
= 2.5mA, I
= 30µA, I
OUT
SD
SD
SD
SD
SD
SD
SD
SD
SD
LT 0211 REV E • PRINTED IN USA
RMS
<1µA,
set; directly parallelable
SD
<3µA,
<1µA
<1µA, MS8 Package
<1µA, S8 Package
<1µA, MS8 Package
<1µA,
<1µA,
< 1µA,
SD
OUT
SD
10µA,
, V
3µA,
: 1.2V to 19.5V,
<1µA,
IN
: 1.2V to 36V,
1963afe