Datasheet

2
LTC1844 Series
1844fa
(Note 1)
Supply Voltage (IN) ....................................... –7V to 7V
Input Voltage
SHDN, BYP, ADJ .................................... –0.3V to 7V
Output Voltage
OUT ........................................................ –0.3V to 7V
OUT to IN .................................................. –7V to 7V
ABSOLUTE AXI U RATI GS
WWWU
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Input Voltage ● 1.6 6.5 V
I
IN
Quiescent Current SHDN = V
IN
35 55 µA
● 80 µA
I
INSHDN
V
IN
Shutdown Supply Current SHDN = 0V ● 0.01 1 µA
V
OUT%
Regulated Output Voltage LTC1844-3.3 V
IN
= 3.8V to 6.5V, I
OUT
= 0mA to 150mA –1.50 1.50 %V
OUT
(Notes 3, 4, 5) LTC1844-3.3 V
IN
= 3.8V to 6.5V, I
OUT
= 0mA to 150mA ● –1.75 1.75 %V
OUT
LTC1844-2.8 V
IN
= 3.3V to 6.5V, I
OUT
= 0mA to 150mA –1.50 1.50 %V
OUT
LTC1844-2.8 V
IN
= 3.3V to 6.5V, I
OUT
= 0mA to 150mA ● –1.75 1.75 %V
OUT
LTC1844-2.5 V
IN
= 3.0V to 6.5V, I
OUT
= 0mA to 150mA –1.50 1.50 %V
OUT
LTC1844-2.5 V
IN
= 3.0V to 6.5V, I
OUT
= 0mA to 150mA ● –1.75 1.75 %V
OUT
LTC1844-1.8 V
IN
= 2.3V to 6.5V, I
OUT
= 0mA to 150mA –1.50 1.50 %V
OUT
LTC1844-1.8 V
IN
= 2.3V to 6.5V, I
OUT
= 0mA to 150mA ● –1.75 1.75 %V
OUT
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= V
OUT
+ 0.5V, unless otherwise noted. (Note 2)
Output Short-Circuit Duration ......................... Indefinite
Operating Junction Temperature Range
(Notes 2, 10) .....................................–40°C to 125°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER I FOR ATIO
UU
W
LTC1844ES5-1.5
LTC1844ES5-1.8
LTC1844ES5-2.5
LTC1844ES5-2.8
LTC1844ES5-3.3
ORDER PART
NUMBER
T
JMAX
= 125°C, θ
JA
= 250°C/ W, θ
JC
= 90°C/ W
SEE THE APPLICATIONS INFORMATION SECTION
S5 PART
MARKING
LTF1
LTF2
LTF3
LTQK
LTF4
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
T
JMAX
= 125°C, θ
JA
= 250°C/ W, θ
JC
= 90°C/ W
SEE THE APPLICATIONS INFORMATION SECTION
T
JMAX
= 125°C, θ
JA
= 250°C/ W, θ
JC
= 90°C/ W
SEE THE APPLICATIONS INFORMATION SECTION
LTC1844ES5-SD
ORDER PART
NUMBER
S5 PART
MARKING
LTE8
LTC1844ES5-BYP
ORDER PART
NUMBER
S5 PART
MARKING
LTE9
5 OUT
4 ADJ
IN 1
GND 2
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC TSOT-23
SHDN 3
5 OUT
4 ADJ
IN 1
GND 2
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC TSOT-23
BYP 3
5 OUT
4 BYP
IN 1
GND 2
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC TSOT-23
SHDN 3