lt3663 Linear Technology Corporation, lt3663 Datasheet - Page 12

• Manufacturer Part Number: lt3663
• Description: 1.2a, 1.5mhz Step-down Switching Regulator With Output Current Limit
• Manufacturer: Linear Technology Corporation

LT3663
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER DESCRIPTION
LT1766
LT1933
LT1936
LT1940
LT1976/LT1977 60V, 1.2A (I
LTC3407/
LTC3407-2
LT3434/LT3435 60V, 2.4A (I
LT3437
LT3493
LT3501
LT3503
LT3505
LT3506/A
LT3508
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LTC3548
BurstMode is a registered trademark of Linear Technology Corporation.
12
7.5V TO 36V
D1: DIODES INC, DFLS240
L: TDK, VLCF5020T-4R7N1R7-1
V
IN
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
4.7μF
ON OFF
28.7k
R
ILIM
C1
60V, 1.2A (I
500mA(I
36V, 1.4A(I
Dual 25V, 1.4A (I
Converter
with BurstMode
Dual 600mA/800mA, 1.5/2.25 MHz Syncronous Step-Down DC/DC
Converter
with BurstMode Operation
60V, 400mA (I
BurstMode Operation
36V, 1.4A(I
Dual 25V, 3A (I
20V, 1A (I
36V, 1.2A (I
Dual 25V, 1.6A (I
Converter
Dual 36V, 1.4A (I
Converter
Dual 25V, 2A (I
Dual 400mA + 800mA, 2.25 MHz Syncronous Step-Down DC/DC Converter V
3.3V Step-Down Converter
OUT
V
RUN
I
OUT
LIM
●
IN
OUT
OUT
OUT
OUT
OUT
OUT
FAX: [phone]
), 500kHz Step-Down Switching Regulator in SOT-23
), 2.2MHz, High Effi ciency Step-Down DC/DC Converter
OUT
) , 500kHz High Effi ciency Step-Down DC/DC Converter
), 750kHz High Effi ciency Step-Down DC/DC Converter
OUT
OUT
), 200kHz, High Effi ciency Step-Down DC/DC Converter
), 200/500kHz, High Effi ciency Step-Down DC/DC Converter
), 200/500kHz, High Effi ciency Step-Down DC/DC Converter
), 3MHz, High Effi ciency Step-Down DC/DC Converter
LT3663
®
GND
OUT
OUT
OUT
Operation
),MicroPower Step-Down DC/DC Converter with
), 1.5MHz, High Effi ciency Step-Down DC/DC Converter
), 1.5MHz, High Effi ciency Step-Down DC/DC Converter
), 1.1MHz, High Effi ciency Step-Down DC/DC
), 575kHz/1.1MHz, High Effi ciency Step-Down DC/DC
), 2.5MHz, High Effi ciency Step-Down DC/DC
BOOST
I
SENSE
V
3663 TA03
OUT
SW
FB
●
R1
316k
R2
100k
www.linear.com
D1
C3
0.1μF
L
4.7μH
C2
22μF
V
3.3V
1.2A
OUT
100
COMMENTS
V
TSSOP16/TSSOP16E Packages
V
ThinSOT Package
V
MS8E Package
V
TSSOP16E Package
V
TSSOP16E Package
V
3mm × 3mm DFN, MS10E Packages
V
TSSOP16E Package
V
3mm × 3mm DFN, TSSOP16E Packages
V
2mm × 3mm DFN Package
V
TSSOP-20E Package
V
2mm × 3mm DFN, Package
V
3mm × 3mm DFN, MS8E Packages
V
4mm × 5mm DFN Package
V
4mm × 4mm QFN, TSSOP16E Packages
V
TSSOP-20E Package
3mm × 3mm DFN, MS10E Packages
90
80
70
60
50
40
30
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
0.1
: 5.5V to 60V, V
: 3.6V to 36V, V
: 3.6V to 36V, V
: 3.6V to 25V, V
: 3.3V to 60V, V
: 2.5V to 5.5V, V
: 3.3V to 60V, V
: 3.3V to 60V, V
: 3.6V to 36V, V
: 3.3V to 25V, V
: 3.6V to 20V, V
: 3.6V to 36V, V
: 3.6V to 25V, V
: 3.6V to 36V, V
: 3.3V to 25V, V
: 2.5V to 5.5V, V
0.3
OUTPUT CURRENT (A)
0.5
Effi ciency
V
OUTMAX
OUTMAX
OUTMAX
OUTMAX
OUTMAX
OUTMAX
OUTMAX
OUTMAX
OUTMAX
OUTMAX
OUTMAX
OUTMAX
OUTMAX
OUTMAX
IN
OUTMAX
OUTMAX
V
= 8V
IN
0.7
© LINEAR TECHNOLOGY CORPORATION 2009
V
IN
= 15V
= 30V
= 1.20V, I
= 1.2V, I
= 1.2V, I
= 1.20V, I
= 1.20V, I
= 1.20V, I
= 1.25V, I
= 0.8V, I
= 0.8V, I
= 0.78V, I
= 0.78V, I
= 0.8V, I
= 0.8V, I
= 0.8V, I
= 0.6V, I
= 0.6V, I
0.9
LT 0809 REV A • PRINTED IN USA
Q
Q
Q
Q
Q
Q
Q
1.1
Q
Q
Q
Q
Q
Q
Q
Q
Q
= 1.6mA, I
= 1.9mA, I
= 1.9mA, I
= 3.7mA, I
= 3.8mA, I
= 4.3mA, I
= 3.7mA, I
= 40μA, I
= 40μA, I
= 2.5mA, I
= 3.8mA, I
= 100μA, I
= 100μA, I
= 100μA, I
= 1.9mA, I
= 2mA, I
3663 TA06
1.3
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
<1μA,
<2μA,
<1μA,
<1μA,
<1μA,
<1μA,
<10μA,
<30μA,
<1μA,
<10μA,
<1μA,
<1μA,
<1μA,
= 25μA,
<30μA,
<1μA,
3663fa