LT3481HDD Linear Technology, LT3481HDD Datasheet - Page 21

• 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

TYPICAL APPLICATIONS
Hz TO 450kHz
3V SQ WAVE
SYNC IN
25k
25k
3.5V TO 27V
1k
50pF
4.7μF
V
IN
Q1
D: DIODES INC. DFLS240L
L: TAIYO YUDEN NP06DZB3R3M
8V TO 34V
330pF
15.4k
AND
4.7μF
V
5V Step-Down Converter with Sync and One-Shot
IN
105k
ON OFF
D: DIODES INC. DFLS240L
L: NEC/TOKIN PLC-0755-150
Q1: ON SEMI MMBT3904
1000pF
15pF
11.8k
1.8V Step-Down Converter
f = 500kHz
RUN/SS
V
RT
PG
133k
C
V
ON OFF
IN
100k
LT3481
GND
V
OUT
f = 300kHz
BD
BOOST
RUN/SS
V
RT
PG
BIAS
C
SW
FB
V
IN
LT3481
GND
200k
0.47μF
D
BD
BOOST
BIAS
SW
FB
84.5k
3.3μH
0.47μF
L
3481 TA09
10k
47μF
D
V
1.8V
2A
29.4k
OUT
15μH
L
75pF
3481 TA08
47μF
V
5V
2A
OUT
LT3481
21
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