Datasheet

2
LT1316
ABSOLUTE MAXIMUM RATINGS
W
WW
U
V
IN
Voltage .............................................................. 12V
SW Voltage ............................................... –0.4V to 30V
FB Voltage ..................................................... V
IN
+ 0.3V
R
SET
Voltage ............................................................. 5V
SHDN Voltage ............................................................ 6V
LBI Voltage ................................................................V
IN
LBO Voltage............................................................. 12V
Maximum Switch Current ................................... 750mA
Maximum Junction Temperature ......................... 125°C
Operating Temperature Range
Commercial ............................................. 0°C to 70°C
Extended Commercial (Note 1).......... –40°C to 85°C
Industrial (Note 2) .............................. –40°C to 85°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
W
U
U
LT1316CMS8
ORDER PART
NUMBER
MS8 PART MARKING
LTCD
ORDER PART
NUMBER
S8 PART MARKING
1
2
3
4
8
7
6
5

TOP VIEW
LBO
LBI
R
SET

GND
FB
SHDN
V
IN

SW
S8 PACKAGE
8-LEAD PLASTIC SO

T
JMAX
= 125°C, θ
JA
= 120°C/W
1
2
3
4
LBO
LBI
R
SET

GND
8
7
6
5
FB
SHDN
V
IN

SW
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP

T
JMAX
= 125°C, θ
JA
= 160°C/W
Consult factory for Military grade parts.
E
LECTR
IC
AL C CHARA TERIST
ICS
Commercial grade 0°C to 70°C, Industrial grade –40°C to 85°C, V
IN
= 2V, V
SHDN
= V
IN
, T
A
= 25°C unless otherwise noted. (Notes 1, 2)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Operating Voltage 1.5 1.65 V
Maximum Operating Voltage 12 V
Quiescent Current V
SHDN
= 2V, Not Switching 33 45 µA
● 50 µA
Quiescent Current in Shutdown V
SHDN
= 0V, V
IN
= 2V ● 35 µA
V
SHDN
= 0V, V
IN
= 5V ● 710 µA
FB Pin Bias Current ● 330 nA
Line Regulation V
IN
= 1.8V to 12V ● 0.04 0.15 %/V
LBI Input Threshold Falling Edge ● 1.1 1.17 1.25 V
LBI Pin Bias Current ● 320 nA
LBI Input Hysteresis ● 35 65 mV
LBO Output Voltage Low I
SINK
= 500µA ● 0.2 0.4 V
LBO Output Leakage Current LBI = 1.7V, LBO = 5V ● 0.01 0.1 µA
SHDN Input Voltage High ● 1.4 V
SHDN Input Voltage Low
● 0.4 V
SHDN Pin Bias Current V
SHDN
= 5V ● 2 5 µA
V
SHDN
= 0V ● –1 –3 µA
LT1316CS8
LT1316IS8
1316
1316I