LTC1624
TYPICAL APPLICATION
U
R3, 10Ω
+V
IN
4.5V TO
5.5V
R
C
IN
SENSE
+
0.0082Ω
100µF
10V
C4, 0.1µF
C3, 0.033µF
× 4
LTC1624
1
2
3
8
–
V
C
SENSE
IN
C
820pF
D2
7
BOOST
I
/RUN
TH
C
B
0.1µF
6
M1
D1
TG
V
FB
L1
1.68µH
+V
OUT
3.3V
10A
4
5
R
R1
20k
C
C2
100pF
SW
GND
6.8k
C
OUT
R2
35.7k
C8
100pF
+
470µF
6.3V
× 2
V
OUT
RTN
Q2
10k
1624 F23
L1 = PULSE ENGINEERING PE53691
C
C
(× 4) = KEMET T495D107M010AS
OUT
IN
M1 = INTERNATIONAL RECTIFIER IRL3803S
Q2 = MOTOROLA MMBTA14LT1
(× 2) = AVX TPSV477M006R0055
D1 = MOTOROLA MBRB2515L
D2 = MOTOROLA MBR0520
R
SENSE
= IRC OAR3-R0082
Figure 23. 5V to 3.3V/10A Converter (Surface Mount)
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LTC1147
High Efficiency Step-Down Controller
100% DC, Burst Mode Operation, 8-Pin SO
and PDIP
LTC1148HV/LTC1148
LTC1149
High Efficiency Synchronous Step-Down Controllers
High Efficiency Synchronous Step-Down Controller
High Efficiency Synchronous Step-Down Controller
Monolithic 0.6A Step-Down Switching Regulator
100% DC, Burst Mode Operation, V < 20V
IN
100% DC,Std Threshold MOSFETs, V < 48V
IN
LTC1159
100% DC, Logic Level MOSFETs, V < 40V
IN
LTC1174
100% DC, Burst Mode Operation, 8-Pin SO
100% DC, Burst Mode Operation, 14-Pin SO
LTC1265
1.2A Monolithic High Efficiency Step-Down Switching Regulator
High Efficiency Synchronous Step-Down Controller, N-Channel Drive
1.5A, 500kHz Step-Down Switching Regulators
LTC1266
100% DC, Burst Mode Operation, V < 20V
IN
LT®1375/LT1376
LTC1433/LTC1434
LTC1435
High Frequency
Monolithic 0.45A Low Noise Current Mode Step-Down Switching Regulators 16- and 20-Pin Narrow SSOP
High Efficiency Low Noise Synchronous Step-Down Controller,
N-Channel Drive
Burst Mode Operation, 16-Pin Narrow SO
Adaptive PowerTM Mode, 20- and 24-Pin SSOP
100% DC, 8-Pin MSOP, V < 20V
LTC1436/LTC1436-PLL High Efficiency Low Noise Synchronous Step-Down Controllers,
N-Channel Drive
LTC1474/LTC1475
Ultralow Quiesent Current Step-Down Monolithic Switching Regulators
IN
Adaptive Power is a trademark of Linear Technology Corporation.
1624f LT/TP 0198 4K • PRINTED IN USA
28 Linear Technology Corporation
●
1630McCarthyBlvd., Milpitas, CA95035-7417 (408)432-1900
●
●
FAX: (408) 434-0507 TELEX: 499-3977 www.linear-tech.com
LINEAR TECHNOLOGY CORPORATION 1997
Linear [ Linear ]
