LTC3406B Linear Technology, LTC3406B Datasheet - Page 16

• 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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RELATED PARTS
PART NUMBER
LTC1474/LTC1475
LT1616
LTC1701
LTC1767
LTC1779
LTC1875
LTC1877
LTC1878
LTC1879
LTC3404
LTC3405/LTC3405A 1.5MHz, 300mA (I
LTC3405A-1.5
LTC3405A-1.8
LTC3406B
LTC3406B-1.5
LTC3406B-1.8
LTC3411
LTC3412
TYPICAL APPLICATIO
LTC3406
LTC3406-1.5/LTC3406-1.8
16
95
90
85
80
75
70
65
60
0.1
V
OUT
= 1.8V
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
V
IN
1
OUTPUT CURRENT (mA)
= 4.2V
V
IN
= 3.6V
DESCRIPTION
250mA (I
DC/DC Converters
1.4MHz, 600mA Step-Down DC/DC Converter
1MHz, 500mA (I
1.5A, 1.25MHz Step-Down Switching Regulator
550kHz, 250mA (I
550kHz, 1.2A (I
550kHz, 600mA (I
550kHz, 600mA (I
550kHz, 1.2A (I
1.4MHz, 600mA (I
Step-Down Regulator
Step-Down Regulators
1.5MHz, 600mA (I
Step-Down Regulators
4MHz, 1.25A (I
Step-Down Regulator
4MHz, 2.5A (I
Step-Down Regulator
V
IN
10
= 2.7V
OUT
Single Li-Ion 1.8V/600mA Regulator for Low Output Ripple and Small Footprint
100
) Low Quiescent Current Step-Down
OUT
OUT
OUT
OUT
OUT
3406 TA02
) Synchronous Monolithic
OUT
OUT
OUT
OUT
OUT
OUT
) Synchronous Monolithic
) Synchronous Step-Down Regulator
) Synchronous Step-Down Regulator
1000
) Step-Down DC/DC Converter
) Step-Down Switching Regulator
) Synchronous Step-Down Regulator
) Synchronous Step-Down Regulator
U
) Synchronous Monolithic
) Synchronous Monolithic
) Synchronous Monolithic
TO 4.2V
AC COUPLED
2.7V
www.linear.com
100mV/DIV
500mA/DIV
500mA/DIV
V
IN
I
V
LOAD
OUT
I
L
C
4.7 F
CER
V
V
I
LOAD
IN
IN
OUT
**
= 3.6V
= 1.8V
= 0mA TO 600mA
4
1
V
RUN
LTC3406-1.8
IN
GND
40 s/DIV
2
V
OUT
SW
**
3406 TA01
*
†
3
5
COMMENTS
V
V
V
V
V
V
V
V
V
Up to 95% Efficiency, V
Up to 95% Efficiency, V
Fixed Output Voltages Available, ThinSOT Package
Up to 95% Efficiency, with Pulse Skipping Mode
Fixed Output Voltages Available, ThinSOT Package
Up to 95% Efficiency, V
Up to 95% Efficiency, V
MURATA LQH32CN4R7M34
TAIYO YUDEN CERAMIC JMK212BJ475MG
SANYO POSCAP 4TPB100M
IN
IN
IN
IN
IN
IN
IN
IN
IN
: 3V to 18V, Constant Off-Time, I
: 3.6V to 25V, I
: 2.5V to 5.5V, Constant Off-Time, I
: 3V to 25V, I
: 2.5V to 9.8V, I
: 2.7V to 6V, I
: 2.65V to 10V, I
: 2.65V to 6V, I
: 2.7V to 10V, I
4.7 H*
3406 TA03
+
Q
C
100 F
Q
OUT1
Q
= 1mA, MS8/E Packages
Q
Q
Q
= 15 A, TSSOP-16 Package
Q
= 1.9mA, ThinSOT Package
= 10 A, MS8 Package
= 15 A, TSSOP-16 Package
= 135 A, ThinSOT Package
AC COUPLED
= 10 A, MS8 Package
†
100mV/DIV
500mA/DIV
500mA/DIV
IN
IN
IN
IN
V
1.8V
: 2.65V to 6V, I
: 2.5V to 5.5V, I
: 2.5V to 5.5V, I
: 2.5V to 5.5V, I
OUT
I
V
LOAD
OUT
I
L
V
V
I
LOAD
LINEAR TECHNOLOGY CORPORATION 2002
IN
OUT
Q
= 3.6V
= 1.8V
= 10 A, MS8 Package
= 200mA TO 600mA
Q
= 135 A, ThinSOT Package
Q
Q
Q
Q
LT/TP 0103 2K • PRINTED IN USA
= 10 A, MS8 Package
= 20 A,
= 60 A, MS Package
= 60 A, TSSOP Package
40 s/DIV
sn3406 3406fs
3406 TA04