LTC3423 LINEAR [Linear Integrated Systems], LTC3423 Datasheet - Page 2

• Manufacturer Part Number: LTC3423
• Description: Low Output Voltage 3MHz Micropower Synchronous Boost Converters
• Manufacturer: LINEAR [Linear Integrated Systems]

ABSOLUTE AXI U RATI GS
(Note 1)
V
SW Voltage ................................................. – 0.5V to 6V
V
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
LTC3423/LTC3424
ELECTRICAL CHARACTERISTICS
The
V
PARAMETER
V
V
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
Maximum Duty Cycle
Minimum Duty Cycle
Frequency Accuracy
MODE/SYNC Input High
MODE/SYNC Input Low
MODE/SYNC Input Current
Error Amp Transconductance
2
DD
IN
IN
IN
C
, R
Operating Voltage Range
, V
= 1.2V, V
Input Voltage Range
t
denotes specifications that apply over the full operating temperature range, otherwise specifications are at T
OUT
Voltages ......................... – 0.5V to (V
, V
DD
DD
= 3.3V, V
Voltages .............................. – 0.5V to 6V
W
OUT
= 1.8V, unless otherwise noted.
W W
CONDITIONS
(Note 4)
V
V
SHDN = 0V, Not Including Switch Leakage
V
LTC3423
LTC3424
R
R
V
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
+ 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
JMAX
TOP VIEW
= 125 C
10
9
8
7
6
SHDN
V
FB
V
V
C
OUT
DD
1.22
MIN
2.7
0.5
1.5
1.6
1.4
80
1
2
U
MS PART MARKING
1.25
0.16
0.21
0.01
TYP
440
0.1
0.1
0.1
1.6
2.8
38
85
85
1
2
ORDER PART
LTC3423EMS
LTC3424EMS
NUMBER
A
W
LTQM
LTQN
= 25 C.
MAX
1.28
800
5.5
5.5
5.5
2.4
0.4
50
65
10
1
5
0
1
UNITS
U
mhos
34234f
MHz
nA
%
%
V
V
V
V
A
A
A
A
A
A
A
V
V
A