Datasheet

2
LT1962 Series
PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Operating Voltage (LT1962) I
LOAD
= 300mA (Notes 4, 12) ● 1.8 2.3 V
Regulated Output Voltage LT1962-1.5 V
IN
= 2V, I
LOAD
= 1mA 1.485 1.500 1.515 V
(Notes 4, 5) 2.5V < V
IN
< 20V, 1mA < I
LOAD
< 300mA ● 1.462 1.500 1.538 V
LT1962-1.8 V
IN
= 2.3V, I
LOAD
= 1mA 1.782 1.800 1.818 V
2.8V < V
IN
< 20V, 1mA < I
LOAD
< 300mA ● 1.755 1.800 1.845 V
LT1962-2.5 V
IN
= 3V, I
LOAD
= 1mA 2.475 2.500 2.525 V
3.5V < V
IN
< 20V, 1mA < I
LOAD
< 300mA ● 2.435 2.500 2.565 V
LT1962-3 V
IN
= 3.5V, I
LOAD
= 1mA 2.970 3.000 3.030 V
4V < V
IN
< 20V, 1mA < I
LOAD
< 300mA ● 2.925 3.000 3.075 V
LT1962-3.3 V
IN
= 3.8V, I
LOAD
= 1mA 3.267 3.300 3.333 V
4.3V < V
IN
< 20V, 1mA < I
LOAD
< 300mA ● 3.220 3.300 3.380 V
LT1962-5 V
IN
= 5.5V, I
LOAD
= 1mA 4.950 5.000 5.050 V
6V < V
IN
< 20V, 1mA < I
LOAD
< 300mA ● 4.875 5.000 5.125 V
ADJ Pin Voltage LT1962 V
IN
= 2V, I
LOAD
= 1mA 1.208 1.220 1.232 V
(Notes 4, 5) 2.3V < V
IN
< 20V, 1mA < I
LOAD
< 300mA ● 1.190 1.220 1.250 V
Line Regulation LT1962-1.5 ∆V
IN
= 2V to 20V, I
LOAD
= 1mA ● 15 mV
LT1962-1.8 ∆V
IN
= 2.3V to 20V, I
LOAD
= 1mA ● 15 mV
LT1962-2.5 ∆V
IN
= 3V to 20V, I
LOAD
= 1mA ● 15 mV
LT1962-3 ∆V
IN
= 3.5V to 20V, I
LOAD
= 1mA ● 15 mV
LT1962-3.3 ∆V
IN
= 3.8V to 20V, I
LOAD
= 1mA ● 15 mV
LT1962-5 ∆V
IN
= 5.5V to 20V, I
LOAD
= 1mA ● 15 mV
LT1962 (Note 4) ∆V
IN
= 2V to 20V, I
LOAD
= 1mA ● 15 mV
Load Regulation LT1962-1.5 V
IN
= 2.5V, ∆I
LOAD
= 1mA to 300mA 3 8 mV
V
IN
= 2.5V, ∆I
LOAD
= 1mA to 300mA ● 15 mV
LT1962-1.8 V
IN
= 2.8V, ∆I
LOAD
= 1mA to 300mA 4 9 mV
V
IN
= 2.8V, ∆I
LOAD
= 1mA to 300mA ● 18 mV
(Note 1)
IN Pin Voltage........................................................ ±20V
OUT Pin Voltage .................................................... ±20V
Input to Output Differential Voltage (Note 2) ......... ±20V
SENSE Pin Voltage ............................................... ±20V
ADJ Pin Voltage ...................................................... ±7V
BYP Pin Voltage.................................................... ±0.6V
SHDN Pin Voltage................................................. ±20V
Output Short-Circuit Duration......................... Indefinite
Operating Junction Temperature Range
(Note 3) ............................................ –40°C to 125°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
ABSOLUTE AXI U RATI GS
WWWU
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are T
A
= 25°C. (Note 3)
ELECTRICAL CHARACTERISTICS
ORDER PART
NUMBER
LT1962EMS8
LT1962EMS8-1.5
LT1962EMS8-1.8
LT1962EMS8-2.5
LT1962EMS8-3
LT1962EMS8-3.3
LT1962EMS8-5
MS8 PART MARKING
LTML
LTSZ
LTTA
LTPT
T
JMAX
= 150°C, θ
JA
= 125°C/W
SEE THE APPLICATIONS
INFORMATION SECTION
FOR ADDITIONAL
INFORMATION ON
THERMAL RESISTANCE
*PIN 2: SENSE FOR LT1962-1.5/LT1962-1.8/
LT1962-2.5/LT1962-3/LT1962-3.3/LT1962-5.
ADJ FOR LT1962
1
2
3
4
OUT
SENSE/ADJ*
BYP
GND
8
7
6
5
IN
NC
NC
SHDN
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
PACKAGE/ORDER I FOR ATIO
UU
W
LTPQ
LTPS
LTPR
Consult factory for parts specified with wider operating temperature ranges.