LTC3407-4 Linear Technology, LTC3407-4 Datasheet - Page 16

• Manufacturer Part Number: LTC3407-4
• Description: Dual Synchronous 800mA 2.25MHz Step-Down DC/DC Regulator
• Manufacturer: Linear Technology

TYPICAL APPLICATIO
PART NUMBER
LTC1878
LT1940
LTC3252
LTC3405/LTC3405A
LTC3406/LTC3406B
LTC3407/LTC3407-2
LTC3411
LTC3412
LTC3414
LTC3440
LTC3407-4
RELATED PARTS
16
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
90
80
70
60
50
40
30
1
V
Burst Mode OPERATION
NO LOAD ON OTHER CHANNEL
Efficiency vs Load Current
OUT
3.3V AT 100mA
DESCRIPTION
600mA (I
Synchronous Step-Down DC/DC Converter
Dual Output 1.4A(I
High Efficiency Step-Down DC/DC Converter
Dual 250mA (I
Inductorless Step-Down DC/DC Converter
300mA (I
Synchronous Step-Down DC/DC Converters
600mA (I
Synchronous Step-Down DC/DC Converters
600mA/800mA, 1.5MHz
Dual Synchronous Step-Down DC/DC Converter
1.25A (I
Synchronous Step Down DC/DC Converter
2.5A (I
Synchronous Step Down DC/DC Converter
4A (I
Synchronous Step Down DC/DC Converter
600mA (I
Synchronous Buck-Boost DC/DC Converter
= 3.3V
●
2mm Height Lithium-Ion Single Inductor Buck-Boost Regulator and a Buck Regulator
OUT
FAX: [phone]
V
LOAD CURRENT (mA)
OUT
OUT2
10
OUT
), 4MHz,
OUT
OUT
OUT
OUT
), 4MHz,
), 4MHz,
+
), 550kHz,
), 1.5MHz,
), 1.5MHz,
), 2MHz,
OUT
C6
22µF
100
), 1MHz, Spread Spectrum
OUT)
U
C3
4.7µF
, Constant 1.1MHz,
2.8V
C1, C2: TAIYO YUDEN JMK316BJ106ML
C3: MURATA GRM21BR60J475KA11B
C6: KEMET C1206C226K9PAC
D1: PHILIPS PMEG2010
D1
3.6V
4.2V
34074
●
M1
www.linear.com
TA05
1000
2.8V TO 4.2V
15µH
L2
V
IN
C5, 22pF
887k
R4
196k
C1
10µF
R3
MODE/SYNC
SW2
V
RUN2
FB2
COMMENTS
95% Efficiency, V
I
V
TSSOP-16E Package
88% Efficiency, V
I
96% Efficiency, V
I
96% Efficiency, V
I
96% Efficiency, V
I
95% Efficiency, V
I
95% Efficiency, V
I
95% Efficiency, V
I
95% Efficiency, V
I
LTC3407-4
L1: MURATA LQH32CN2R2M33
L2: TOKO A914BYW-150M (D52LC SERIES)
M1: SILICONIX Si2302DS
SD
Q
SD
SD
SD
SD
SD
SD
SD
IN
GND
= 60µA, I
V
: 3V to 25V, V
<1µA, MSOP-8, Package
<1µA, ThinSOT Package
<1µA, ThinSOT Package
<1µA, MSE, DFN Package
<1µA, MSOP-10 Package
<1µA, TSSOP-16E Package
<1µA, TSSOP-28E Package
<1µA, MSOP-10 Package
IN
RUN1
SW1
POR
V
FB1
SD
100
95
90
85
80
75
70
65
60
< 1µA, DFN-12 Package
2.2µH
R5
100k
R1
301k
1
OUT(MIN)
V
Burst Mode OPERATION
NO LOAD ON OTHER CHANNEL
IN
IN
IN
IN
IN
IN
IN
IN
IN
L1
Efficiency vs Load Current
OUT
C4, 33pF
: 2.7V to 6V, V
: 2.7V to 5.5V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 2.25V to 5.5V, V
: 2.5V to 5.5V, V
POWER-ON
RESET
604k
= 1.8V
R2
LOAD CURRENT (mA)
= 1.2V, I
4.2V
10
2.8V
© LINEAR TECHNOLOGY CORPORATION 2006
34074 TA04
C2
10µF
OUT(MIN)
V
1.8V AT 800mA
Q
OUT1
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
= 2.5mA, I
OUT(MIN)
100
www.DataSheet4U.com
3.6V
= 0.8V, I
34074
= 0.9V to 1.6V,
= 0.8V, I
= 0.6V, I
= 0.6V, I
= 0.8V, I
= 0.8V, I
= 2.5V, I
= 0.8V, I
SD
TA06
1000
LT 0406 • PRINTED IN USA
= <1µA,
Q
= 10µA,
Q
Q
Q
Q
Q
Q
Q
= 20µA,
= 20µA,
= 40µA,
= 60µA,
= 60µA,
= 25µA,
= 64µA,
34074f