LT3782A_15 Datasheet, PDF (15/20 Pages) Linear Technology – 2-Phase Step-Up DC/DC Controller

LT3782A
Typical Applications
10V to 24V Input to 24V, 8A Output Boost Converter
10Ω
CS1
10nF
59k
82k
10Ω ^10nF
CS2
4.7nF
1 _SGATE2
GBIAS ²⁸
2 _SGATE1
27
V_CC
3 _NC
NC ²⁶
4
GND
5 _SYNC
LT3782A
25
NC
24
V_EE1
6 _DELAY
BGATE1 ²³
7 _DCL
GBIAS1 ²²
8 _SENSE1+
GBIAS2 ²¹
9 _SENSE1–
10
SLOPE
11 _RSET
12 _SENSE2–
13 _SENSE2+
14 _SS
BGATE2 ²⁰
19
V_EE2
18
NC
RUN ¹⁷
16
FB
15
V_C
10V TO 24V INPUT
2R2
L1
PB2020-103
D1
PDS1040
1µF
Q1
PH3330
C_OUT2
CS1
330µF, 35V, ×2
2.2µF
825k
274k
24.9k
221k
R_C1
13.3k
C_C2
100pF
C_C1
6.8nF
0.004Ω
C_IN
22µF
25V _0.004Ω
CS2
C_OUT1
22µF, 25V, ×4
OUTPUT
24V
8A
Q2
PH3330
L2
PB2020-103
D2
PDS1040
3782A TA02
L1, L2: PULSE PB2020-103
ALL CERAMIC CAPACITORS ARE X7R, TDK
*OUTPUT CURRENT WITH BOTH INPUTS PRESENT
Efficiency
100
98
15V_IN
96
94
12V_IN
92
90
88
86
012345678
I_OUT (A)
3782A TA02b
For more information www.linear.com/LT3782A
3782afc
15