LT3481HDD Linear Technology, LT3481HDD Datasheet - Page 20

• 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 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
3481fb