LT3481HDD#TRPBF Linear Technology, LT3481HDD#TRPBF Datasheet - Page 20

• Manufacturer Part Number: LT3481HDD#TRPBF
• Description: IC REG STP DWN ADJ 2A 10-DFN
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LT3481HDD#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.27 ~ 20 V
• Current - Output: 2A
• Frequency - Switching: 300kHz ~ 2.8MHz
• Voltage - Input: 3.6 ~ 34 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

LT3481
TYPICAL APPLICATIONS
20
SIGNAL UNTIL PGOOD GOES HIGH
3.3V SQ WAVE 300kHz TO 375kHz
NOTE: DO NOT APPLY SYNC
SYNC IN
PGOOD
15V TO 34V
10μF
20V TO 34V
V
IN
4.7μF
D: DIODES INC. DFLS240L
L: NEC/TOKIN PLC-0755-100
V
330pF
IN
30k
D: DIODES INC. DFLS240L
L: NEC/TOKIN PLC-0755-8R2
1000pF
8.2pF
60.4k
11.8k
5V Step-Down Converter with Sync Input
ON OFF
226k
12V Step-Down Converter
f = 800kHz
ON OFF
RUN/SS
V
RT
PG
C
100k
V
V
IN
OUT
LT3481
f = 250kHz
GND
RUN/SS
V
RT
PG
C
BD
V
BOOST
IN
BIAS
SW
LT3481
FB
GND
BD
BOOST
BIAS
100k
SW
0.47μF
D
FB
0.47μF
845k
10μH
L
3481 TA06
10k
D
29.4k
8.2μH
L
22μF
V
12V
2A
OUT
75pF
3481 TA07
47μF
V
5V
2A
OUT
3481fc