LTC3613 Datasheet, PDF (31/36 Pages) Linear Technology – 24V, 15A Monolithic Step Down Regulator

LTC3613
TYPICAL APPLICATIONS
PV_IN
INTV_CC
R_PGD
100k
SV_IN
LTC3613
PGOOD
V_OUT
MODE/PLLIN
V_RNG
SENSE^–
RUN
C_SS
0.1μF
C_ITH1
470pF
TRACK/SS
R_ITH
17.4k
ITH
SENSE⁺
SW
BOOST
R_T
205k
RT
EXTV_CC
SGND
INTV_CC
PGND
V_OSNS+
V_OSNS–
R_VIN
2.2Ω
C_VIN
0.1μF
R_F2
10Ω
C_F
R_F1
1000pF 10Ω
L1
1μH
C_B
0.1μF
D_B
INTV_CC
C_VCC
4.7μF
C_IN1: SANYO 25SVPD82M
C_OUT: SANYO 2R5TPE330M9
D_B: DIODES INC. SDM10K45
L1: IHLP-2525EZERR82M01
R_SENSE
3mΩ
C_IN2 ⁺
10μF
×3
V_IN
C_IN1 ^{4.5V TO 14V}
82μF
25V
+ ^COUT1
330μF
2.5V
×2
C_OUT2
100μF
×2
V_OUT
0.6V
10A
3613 TA04
Efficiency
100
90
80 ^{PULSE-SKIPPING}
MODE
70
60
50
FORCED
CONTINUOUS
40
MODE
30
20
10
0
0.01
V_IN = 12V
V_OUT = 0.6V
0.10
1
10
LOAD CURRENT (A)
3613 TA05
Figure 12. 0.6V, 10A, 200kHz Low Output Voltage Step-Down Converter
3613fa
31