Datasheet

2
LT1763 Series
1763fa
ABSOLUTE MAXIMUM RATINGS
W
WW
U
(Note 1)
IN Pin Voltage........................................................ ±20V
OUT Pin Voltage .................................................... ±20V
Input to Output Differential Voltage ....................... ±20V
SENSE Pin Voltage ............................................... ±20V
ADJ Pin Voltage ...................................................... ±7V
BYP Pin Voltage.................................................... ±0.6V
SHDN Pin Voltage................................................. ±20V
Output Short-Circut Duration.......................... Indefinite
Operating Junction Temperature Range
(Note 2) ............................................ –40°C to 125°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Operating Voltage I
LOAD
= 500mA (Notes 3, 11) ● 1.8 2.3 V
Regulated Output Voltage LT1763-1.5 V
IN
= 2V, I
LOAD
= 1mA 1.485 1.5 1.515 V
(Note 4) 2.5V < V
IN
< 20V, 1mA < I
LOAD
< 500mA ● 1.462 1.5 1.538 V
LT1763-1.8 V
IN
= 2.3V, I
LOAD
= 1mA 1.782 1.8 1.818 V
2.8V < V
IN
< 20V, 1mA < I
LOAD
< 500mA ● 1.755 1.8 1.845 V
LT1763-2.5 V
IN
= 3V, I
LOAD
= 1mA 2.475 2.5 2.525 V
3.5V < V
IN
< 20V, 1mA < I
LOAD
< 500mA ● 2.435 2.5 2.565 V
LT1763-3 V
IN
= 3.5V, I
LOAD
= 1mA 2.970 3 3.030 V
4V < V
IN
< 20V, 1mA < I
LOAD
< 500mA ● 2.925 3 3.075 V
LT1763-3.3 V
IN
= 3.8V, I
LOAD
= 1mA 3.267 3.3 3.333 V
4.3V < V
IN
< 20V, 1mA < I
LOAD
< 500mA ● 3.220 3.3 3.380 V
LT1763-5 V
IN
= 5.5V, I
LOAD
= 1mA 4.950 5 5.050 V
6V < V
IN
< 20V, 1mA < I
LOAD
< 500mA ● 4.875 5 5.125 V
ADJ Pin Voltage LT1763 V
IN
= 2V, I
LOAD
= 1mA 1.208 1.22 1.232 V
(Notes 3, 4) 2.22V < V
IN
< 20V, 1mA < I
LOAD
< 500mA ● 1.190 1.22 1.250 V
Line Regulation LT1763-1.5 ∆V
IN
= 2V to 20V, I
LOAD
= 1mA ● 15 mV
LT1763-1.8 ∆V
IN
= 2.3V to 20V, I
LOAD
= 1mA ● 15 mV
LT1763-2.5 ∆V
IN
= 3V to 20V, I
LOAD
= 1mA ● 15 mV
LT1763-3 ∆V
IN
= 3.5V to 20V, I
LOAD
= 1mA ● 15 mV
LT1763-3.3 ∆V
IN
= 3.8V to 20V, I
LOAD
= 1mA ● 15 mV
LT1763-5 ∆V
IN
= 5.5V to 20V, I
LOAD
= 1mA ● 15 mV
LT1763 (Note 3) ∆V
IN
= 2V to 20V, I
LOAD
= 1mA ● 15 mV
Load Regulation LT1763-1.5 V
IN
= 2.5V, ∆I
LOAD
= 1mA to 500mA 3 8 mV
V
IN
= 2.5V, ∆I
LOAD
= 1mA to 500mA ● 15 mV
LT1763-1.8 V
IN
= 2.8V, ∆I
LOAD
= 1mA to 500mA 4 9 mV
V
IN
= 2.8V, ∆I
LOAD
= 1mA to 500mA ● 18 mV
LT1763-2.5 V
IN
= 3.5V, ∆I
LOAD
= 1mA to 500mA 5 12 mV
V
IN
= 3.5V, ∆I
LOAD
= 1mA to 500mA ● 25 mV
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are T
A
= 25°C. (Note 2)
ELECTRICAL CHARACTERISTICS
Consult LTC Marketing for parts specified with wider operating temperature ranges.
PACKAGE/ORDER INFORMATION
W
UU
ORDER PART NUMBER
LT1763CS8
LT1763CS8-1.5
LT1763CS8-1.8
LT1763CS8-2.5
S8 PART MARKING
1763
176315
176318
176325
T
JMAX
= 150°C, θ
JA
= 70°C/W,
θ
JC
= 35°C/ W
SEE THE APPLICATIONS
INFORMATION SECTION.
*PIN 2: SENSE FOR LT1763-1.5/
LT1763-1.8/LT1763-2.5/
LT1763-3/LT1763-3.3/LT1763-5
ADJ FOR LT1763
TOP VIEW
IN
GND
GND
SHDN
OUT
SENSE/ADJ*
GND
BYP
S8 PACKAGE
8-LEAD PLASTIC SO
1
2
3
4
8
7
6
5
17633
176333
17635
LT1763CS8-3
LT1763CS8-3.3
LT1763CS8-5