LT3481HDD Linear Technology, LT3481HDD Datasheet - Page 24

• Manufacturer Part Number: LT3481HDD
• Description: SW REG, 36V, 2A, 2.8MHZ, SD, 10DFN
• Manufacturer: Linear Technology

Specifications of LT3481HDD

• Primary Input Voltage: 34V
• No. Of Outputs: 1
• Output Voltage: 20V
• Output Current: 2A
• Voltage Regulator Case Style: DFN
• No. Of Pins: 10
• Operating Temperature Range: -40°C To +150°C
• Svhc: No SVHC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LT3481
TYPICAL APPLICATION
PART NUMBER
LT1933
LT3437
LT1936
LT3493
LT1976/LT1977
LT1767
LT1940
LT1766
LT3434/LT3435
24
RELATED PARTS
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
500mA (I
Regulator in SOT-23
60V, 400mA (I
DC/DC Converter with Burst Mode
36V, 1.4A (I
Step-Down DC/DC Converter
36V, 1.2A (I
Step-Down DC/DC Converter
60V, 1.2A (I
Step-Down DC/DC Converter with Burst Mode
25V, 1.2A (I
Step-Down DC/DC Converter
Dual 25V, 1.4A (I
Step-Down DC/DC Converter
60V, 1.2A (I
Step-Down DC/DC Converter
60V, 2.4A (I
Step-Down DC/DC Converter with Burst Mode
●
3.6V TO 27V
OUT
FAX: [phone]
OUT
OUT
OUT
OUT
OUT
OUT
), 500kHz Step-Down Switching
OUT
4.7μF
), 500kHz High Effi ciency
), 750kHz High Effi ciency
), 200kHz/500kHz, High Effi ciency
), 1.1MHz, High Effi ciency
), 200kHz, High Effi ciency
), 200/500kHz, High Effi ciency
V
OUT
IN
), MicroPower Step-Down
), 1.1MHz, High Effi ciency
D: DIODES INC. DFLS240L
L: TAIYO YUDEN NP06DZB3R3M
330pF
13k
●
www.linear.com
105k
ON OFF
1.265V Step-Down Converter
f = 500kHz
RUN/SS
V
RT
PG
C
V
IN
COMMENTS
V
V
V
V
V
V
V
V
V
LT3481
GND
IN
IN
IN
IN
IN
IN
IN
IN
IN
: 3.6V to 36V, V
: 3.3V to 80V, V
: 3.6V to 36V, V
: 3.6V to 40V, V
: 3.3V to 60V, V
: 3.0V to 25V, V
: 3.6V to 25V, V
: 5.5V to 60V, V
: 3.3V to 60V, V
BD
BOOST
BIAS
SW
FB
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
0.47μF
D
= 1.2V, I
= 1.25V, I
= 1.2V, I
= 0.8V, I
= 1.20V, I
= 1.20V, I
= 1.20V, I
= 1.20V, I
= 1.20V, I
3.3μH
L
Q
Q
Q
Q
Q
Q
Q
Q
Q
3481 TA10
= 1.6mA, I
= 1.9mA, I
= 1.9mA, I
= 100μA, I
= 100μA, I
= 1mA, I
= 3.8mA, I
= 2.5mA, I
= 100μA, I
© LINEAR TECHNOLOGY CORPORATION 2006
47μF
V
1.265V
2A
OUT
SD
SD
SD
SD
SD
SD
SD
SD
SD
<6μA, MS8E Package
<1μA, ThinSOT Package
<1μA, MS8E Package
<1μA, DFN Package
<1μA, DFN Package
<1μA, TSSOP16E Package
<30μA, TSSOP16E Package
= 25μA, TSSOP16E Package
<1μA, TSSOP16E Package
LT 1008 REV B • PRINTED IN USA
3481fb