LTC3862IFE-1#PBF Linear Technology, LTC3862IFE-1#PBF Datasheet - Page 36

• Manufacturer Part Number: LTC3862IFE-1#PBF
• Description: IC CTRLR DC/DC STPUP 24-TSSOP
• Manufacturer: Linear Technology
• Type: Step-Up (Boost)r

Specifications of LTC3862IFE-1#PBF

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.22 ~ 200 V
• Current - Output: 50mA
• Frequency - Switching: 300kHz
• Voltage - Input: 4 ~ 36 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP Exposed Pad, 24-eTSSOP, 24-HTSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

TYPICAL APPLICATION
LTC3862-1
36
50V/DIV
5V/DIV
5A/DIV
5A/DIV
V
RUN
OUT
I
I
L1
L2
4.7nF
V
V
R
IN
OUT
L
= 100Ω
= 24V
100pF
45.3k
30.1k
= 48V
V
OUT
0.1μF
7.87k
301k
Start-Up
1ms/DIV
A 24V Input, 48V/6A Output 2-Phase Boost Converter Application Circuit
D
SLOPE
BLANK
PHASEMODE
FREQ
SS
ITH
FB
SGND
CLKOUT
SYNC
PLLFLTR
MAX
LTC3862-1
SENSE1
SENSE1
SENSE2
SENSE2
INTV
GATE1
GATE2
PGND
38621 TA02b
RUN
100
3V8
V
96
92
88
84
CC
IN
+
–
–
+
100
V
V
IN
OUT
= 24V
24.9k
4.7μF
= 48V
1nF
1μF
10nF
10nF
EFFICIENCY
LOAD CURRENT (mA)
150k
Effi ciency
8.5V TO 36V
1000
V
IN
POWER LOSS
AC COUPLED
22μF 25V
10Ω
PA2050-193
PA2050-193
10Ω
5A/DIV
5A/DIV
5A/DIV
1V/DIV
38621 TA02d
V
19μH
19μH
I
22μF 25V
22μF 25V
OUT
OUT
L2
L1
I
I
L1
L2
10000
V
V
ΔI
IN
OUT
10000
1000
OUT
= 24V
= 48V
= 1A TO 5A
Q1
HAT2279H
0.005Ω
1W
0.005Ω
1W
Q2
HAT2279H
30BQ060
D2
30BQ060
100μF
100μF
D1
35V
35V
Load Step
500μs/DIV
+
+
10μF 50V
10μF 50V
10μF 50V
10μF 50V
3862 TA02a
V
48V
6A (MAX)
OUT
38621 TA02c
38621f