LTC3401 Linear Technology, LTC3401 Datasheet - Page 2

• Manufacturer Part Number: LTC3401
• Description: 1A/ 3MHz Micropower Synchronous Boost Converter
• Manufacturer: Linear Technology

ABSOLUTE AXI U RATI GS
(Note 1)
V
SW Voltage ................................................. – 0.5V to 6V
V
PGOOD, SHDN, FB, MODE Voltages ........... – 0.5V to 6V
Operating Temperature Range (Note 2) .. – 40 C to 85 C
Storage Temperature Range ................. – 65 C to 125 C
Lead Temperature (Soldering, 10 sec).................. 300 C
LTC3401
ELECTRICAL CHARACTERISTICS
The
V
PARAMETER
Minimum Start-Up Voltage
Minimum Operating Voltage
Output Voltage Adjust Range
Feedback Voltage
Feedback Input Current
Quiescent Current—Burst Mode Operation
Quiescent Current—SHDN
Quiescent Current—Active
NMOS Switch Leakage
PMOS Switch Leakage
NMOS Switch On Resistance
PMOS Switch On Resistance
NMOS Current Limit
NMOS Burst Current Limit
Maximum Duty Cycle
Minimum Duty Cycle
Frequency Accuracy
MODE/SYNC Input High
MODE/SYNC Input Low
MODE/SYNC Input Current
Error Amp Transconductance
PGOOD Threshold
2
IN
IN
C
, R
, V
= 1.2V, V
t
denotes specifications that apply over the full operating temperature range, otherwise specifications are at T
OUT
Voltages ......................... – 0.5V to (V
Voltages ...................................... – 0.5V to 6V
OUT
= 3.3V unless otherwise noted.
W
W W
CONDITIONS
I
(Note 4)
V
V
SHDN = 0V, Not Including Switch Leakage
V
R
R
V
Referenced to Feedback Voltage
LOAD
FB
C
C
MODE/SYNC
t
t
I = – 5 A to 5 A, V
= 15k
= 15k
= 0V, MODE/SYNC = 3.3V (Note 3)
= 0V, MODE/SYNC = 0V, R
= 1.25V
U
OUT
< 1mA
+ 0.3V)
= 5.5V
C
= V
FB
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
t
MODE
= 300k (Note 3)
GND
SW
V
R
IN
t
JA
JA
10-LEAD PLASTIC MSOP
1
2
3
4
5
= 130 C/ W 1 LAYER BOARD
= 100 C/ W 4 LAYER BOARD
MS PACKAGE
T
TOP VIEW
JMAX
= 125 C
10
9
8
7
6
SHDN
V
FB
V
PGOOD
C
OUT
1.22
MIN
2.6
1.6
1.4
– 6
80
1
U
MS PART MARKING
0.85
1.25
0.16
0.18
0.66
0.01
TYP
440
0.1
0.1
0.1
1.6
– 9
38
85
85
1
2
ORDER PART
LTC3401EMS
NUMBER
A
W
LTPG
= 25 C.
MAX
1.28
– 12
800
1.0
0.5
5.5
2.4
0.4
50
65
10
1
5
0
1
UNITS
U
mhos
3401fa
MHz
nA
%
%
%
V
V
V
V
A
A
A
A
A
A
A
V
V
A