LTC3406B Linear Technology, LTC3406B Datasheet - Page 3

• Manufacturer Part Number: LTC3406B
• Description: Dual DC/DC Converter with USB Power Manager and Li-Ion Battery Charger
• Manufacturer: Linear Technology

www.DataSheet4U.com
(From Figure1a Except for the Resistive Divider Resistor Values)
ELECTRICAL CHARACTERISTICS
The
V
SYMBOL
V
I
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The LTC3406E is guaranteed to meet performance specifications
from 0 C to 70 C. Specifications over the –40 C to 85 C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
TYPICAL PERFOR A CE CHARACTERISTICS
RUN
RUN
IN
100
100
95
90
85
80
75
70
65
60
50
95
90
85
80
75
70
65
60
55
= 3.6V unless otherwise specified.
0.1
2
Efficiency vs Input Voltage
Efficiency vs Output Current
denotes specifications which apply over the full operating temperature range, otherwise specifications are T
I
V
V
V
OUT
OUT
IN
OUT
I
= 2.7V
OUT
= 1mA
= 1.8V
= 2.5V
V
PARAMETER
RUN Threshold
RUN Leakage Current
= 100mA
IN
1
OUTPUT CURRENT (mA)
3
= 4.2V
INPUT VOLTAGE (V)
I
OUT
I
V
OUT
IN
= 600mA
= 3.6V
10
= 0.1mA
4
I
OUT
100
5
W
= 10mA
3406 G01
3406 G04
U
1000
6
CONDITIONS
0.614
0.609
0.604
0.599
0.594
0.589
0.584
95
90
85
80
75
70
65
60
–50
0.1
Efficiency vs Output Current
Reference Voltage vs
Temperature
V
V
OUT
IN
–25
= 3.6V
= 1.2V
1
OUTPUT CURRENT (mA)
0
TEMPERATURE ( C)
V
V
V
IN
IN
IN
= 2.7V
= 3.6V
25
= 4.2V
10
Note 3: T
dissipation P
Note 4: The LTC3406 is tested in a proprietary test mode that connects
V
Note 5: Dynamic supply current is higher due to the gate charge being
delivered at the switching frequency.
FB
50
LTC3406: T
to the output of the error amplifier.
75
100
J
is calculated from the ambient temperature T
100
D
according to the following formula:
J
3406 G02
3406 G05
= T
LTC3406-1.5/LTC3406-1.8
1000
125
A
+ (P
D
)(250 C/W)
1.70
1.65
1.60
1.55
1.50
1.45
1.40
1.35
1.30
95
90
85
80
75
70
65
60
–50
0.1
Efficiency vs Output Current
Oscillator Frequency vs
Temperature
V
V
MIN
V
OUT
0.3
IN
IN
–25
= 3.6V
= 2.7V
= 1.5V
1
OUTPUT CURRENT (mA)
V
0
IN
V
TEMPERATURE ( C)
TYP
IN
0.01
= 3.6V
1
= 4.2V
25
A
10
= 25 C.
50
LTC3406
A
MAX
1.5
and power
1
75
100
sn3406 3406fs
100
3406 G03
UNITS
3406 G06
3
1000
125
V
A