Datasheet

LTC3561A
2
3561af
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS
PV
IN
, SV
IN
Voltages ..................................... –0.3V to 6V
V
FB
, I
TH
, SHDN/R
T
Voltages ..........–0.3V to (V
IN
+ 0.3V)
SW Voltage ..................................–0.3V to (V
IN
+ 0.3V)
Operating Junction Temperature Range
(Notes 2, 5, 8) ........................................ –40°C to 125°C
Storage Temperature Range ................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
(Note 1)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Operating Voltage Range 2.5 5.5 V
I
FB
Feedback Pin Input Current (Note 3) ±0.1 μA
V
FB
Feedback Voltage (Note 3)
●
0.784 0.8 0.816 V
ΔV
LINEREG
Reference Voltage Line Regulation V
IN
= 2.5V to 5.5V 0.04 0.2 %/V
ΔV
LOADREG
Output Voltage Load Regulation I
TH
= 0.55V to 0.9V
●
0.02 0.2 %
g
m(EA)
Error Amplifi er Transconductance I
TH
Pin Load = ±5μA (Note 3) 300 μS
The ● denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
IN
= 3.6V, R
T
= 125k unless otherwise specifi ed. (Note 2)
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3561AEDD#PBF LTC3561AEDD#TRPBF LDKB
8-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LTC3561AIDD#PBF LTC3561AIDD#TRPBF LDKB
8-Lead (3mm × 3mm) 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/
PIN CONFIGURATION
TOP VIEW
9
DD PACKAGE
8-LEAD (3mm s 3mm) PLASTIC DFN
5
6
7
8
4
3
2
1SHDN/R
T
SGND
SW
PGND
I
TH
V
FB
SV
IN
PV
IN
T
JMAX
= 125°C, θ
JA
= 43°C/W, θ
JC
= 3°C/W
EXPOSED PAD (PIN 9) IS SGND, MUST BE SOLDERED TO PCB