Datasheet

LTC3025
2
3025fd
PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS
V
BIAS
, V
IN
to GND ......................................... –0.3V to 6V
SHDN to GND ............................................... –0.3V to 6V
ADJ to GND .................................................. –0.3V to 6V
V
OUT
........................................–0.3V to V
IN
+ 0.3V or 6V
Operating Junction Temperature Range
(Note 3) .................................................. –40°C to 125°C
Storage Temperature Range ................... –65°C to 125°C
Output Short-Circuit Duration .......................... Indefi nite
(Notes 1, 2)
TOP VIEW
7
DC6 PACKAGE
6-LEAD (2mm s 2mm) PLASTIC DFN
4
5
6
3
2
1BIAS
GND
IN
SHDN
ADJ
OUT
T
JMAX
= 125°C, θ
JA
= 102°C/W, θ
JC
= 20°C/W
EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3025EDC#PBF LTC3025EDC#TRPBF LBDY
6-Lead (2mm × 2mm) Plastic DFN
–40°C to 125°C
LTC3025IDC#PBF LTC3025IDC#TRPBF LBDY
6-Lead (2mm × 2mm) Plastic DFN
–40°C to 125°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3025EDC LTC3025EDC#TR LBDY
6-Lead (2mm × 2mm) Plastic DFN
–40°C to 125°C
LTC3025IDC LTC3025IDC#TR LBDY
6-Lead (2mm × 2mm) Plastic DFN
–40°C to 125°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Operating Voltage (Note 4)
l
0.9 5.5 V
V
BIAS
Operating Voltage (Note 4)
l
2.5 5.5 V
V
BIAS
Undervoltage Lockout
l
2.2 2.5 V
V
IN
Operating Current I
OUT
= 10µA
l
410 µA
V
BIAS
Operating Current I
OUT
= 10µA
l
50 80 µA
V
IN
Shutdown Current V
SHDN
= 0V 1 5 µA
V
BIAS
Shutdown Current V
SHDN
= 0V 0.01 1 µA
V
ADJ
Regulation Voltage (Note 5) 1mA ≤ I
OUT
≤ 300mA, 1.5V ≤ V
IN
≤ 5V
1mA ≤ I
OUT
≤ 300mA, 1.5V ≤ V
IN
≤ 5V
l
0.395
0.392
0.4
0.4
0.405
0.408
V
V
I
ADJ
ADJ Input Current V
ADJ
= 0.45V –50 0 50 nA
OUT Load Regulation (Referred to ADJ Pin)
∆I
OUT
= 1mA to 300mA
–0.2 mV
V
IN
Line Regulation (Referred to ADJ Pin) V
IN
= 1.5V to 5V, V
BIAS
= 3.6V, V
OUT
= 1.2V,
I
OUT
= 1mA
0.07 mV
BIAS Line Regulation (Referred to ADJ Pin) V
IN
= 1.5V, V
BIAS
= 2.6V to 5V, V
OUT
= 1.2V
I
OUT
= 1mA
l
1.7 5.5 mV
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
IN
= 1.5V, V
BIAS
= 3.6V, V
OUT
= 1.2V, C
OUT
= 1μF, C
IN
= 0.1μF,
C
BIAS
= 0.1μF (all capacitors ceramic) unless otherwise noted. (Note 3)
ELECTRICAL CHARACTERISTICS