LTC3406B Linear Technology, LTC3406B Datasheet - Page 2

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

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PACKAGE/ORDER I FOR ATIO
ABSOLUTE AXI U RATI GS
LTC3406
LTC3406-1.5/LTC3406-1.8
Input Supply Voltage .................................. – 0.3V to 6V
RUN, V
SW Voltage .................................. – 0.3V to (V
P-Channel Switch Source Current (DC) ............. 800mA
N-Channel Switch Sink Current (DC) ................. 800mA
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
The
V
SYMBOL
I
V
V
I
V
V
I
f
R
R
I
2
VFB
PK
S
OSC
LSW
FB
OUT
LOADREG
IN
IN
V
V
PFET
NFET
FB
OUT
= 3.6V unless otherwise specified.
T
JMAX
denotes specifications which apply over the full operating temperature range, otherwise specifications are T
RUN 1
GND 2
FB
= 125 C,
SW 3
5-LEAD PLASTIC TSOT-23
Voltages ..................................... – 0.3V to V
PARAMETER
Feedback Current
Regulated Feedback Voltage
Reference Voltage Line Regulation
Regulated Output Voltage
Output Voltage Line Regulation
Peak Inductor Current
Output Voltage Load Regulation
Input Voltage Range
Input DC Bias Current
Oscillator Frequency
R
R
SW Leakage
DS(ON)
DS(ON)
Active Mode
Sleep Mode
Shutdown
S5 PACKAGE
JA
TOP VIEW
= 250 C/ W,
of P-Channel FET
of N-Channel FET
W
5 V
4 V
JC
= 90 C/ W
FB
IN
W W
U
S5 PART MARKING
ORDER PART
LTC3406ES5
W
CONDITIONS
LTC3406 (Note 4) T
LTC3406 (Note 4) 0 C T
LTC3406 (Note 4) –40 C T
V
LTC3406-1.5, I
LTC3406-1.8, I
V
V
Duty Cycle < 35%
(Note 5)
V
V
V
V
V
I
I
V
SW
SW
IN
IN
IN
FB
FB
RUN
FB
FB
RUN
NUMBER
= 2.5V to 5.5V (Note 4)
= 2.5V to 5.5V
= 3V, V
= 0.5V or V
= 0.62V or V
= 0.6V or V
= 0V or V
= 100mA
= –100mA
LTA5
U
= 0V, V
= 0V, V
IN
FB
+ 0.3V)
IN
SW
OUT
= 0.5V or V
U
OUT
OUT
OUT
= 4.2V
OUT
(Note 1)
= 0V or 5V, V
OUT
= 0V
IN
= 100mA
= 100mA
= 90%, I
= 100%
A
= 103%, I
= 25 C
A
OUT
Peak SW Sink and Source Current ........................ 1.3A
Operating Temperature Range (Note 2) .. – 40 C to 85 C
Junction Temperature (Note 3) ............................ 125 C
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................. 300 C
85 C
LOAD
T
A
= 90%,
JMAX
IN
LOAD
= 5V
85 C
RUN 1
GND 2
= 0A
= 125 C,
SW 3
= 0A
5-LEAD PLASTIC TSOT-23
S5 PACKAGE
JA
TOP VIEW
= 250 C/ W,
JC
5 V
4 V
= 90 C/ W
OUT
IN
0.5880
0.5865
0.5850
1.455
1.746
0.75
MIN
2.5
1.2
1.500
1.800
S5 PART MARKING
0.04
0.04
0.35
TYP
300
210
1.5
0.6
0.6
0.6
0.1
0.4
0.01
20
0.5
1
LTC3406ES5-1.5
LTC3406ES5-1.8
ORDER PART
A
NUMBER
= 25 C.
0.6120
0.6135
0.6150
LTD6
LTC4
1.545
1.854
MAX
1.25
0.45
400
0.4
0.4
5.5
1.8
0.5
35
30
1
1
sn3406 3406fs
UNITS
MHz
%/V
%/V
kHz
nA
%
V
V
V
V
V
A
V
A
A
A
A