鈥?/div>
I
TH
/RUN
V
IN
BOOST
TG
SW
8
7
6
5
D2
C
B
0.1碌F
M1
L1
1.68碌H
C
OUT
470碌F
6.3V
脳
2
R2
35.7k
C8
100pF
V
OUT
RTN
Q2
10k
1624 F23
C
IN
(脳 4) = KEMET T495D107M010AS
C
OUT
(脳 2) = AVX TPSV477M006R0055
D1 = MOTOROLA MBRB2515L
D2 = MOTOROLA MBR0520
RELATED PARTS
PART NUMBER
LTC1147
LTC1148HV/LTC1148
LTC1149
LTC1159
LTC1174
LTC1265
LTC1266
LT 1375/LT1376
LTC1433/LTC1434
LTC1435
LTC1436/LTC1436-PLL
LTC1474/LTC1475
庐
DESCRIPTION
High Efficiency Step-Down Controller
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
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
Monolithic 0.45A Low Noise Current Mode Step-Down Switching Regulators
High Efficiency Low Noise Synchronous Step-Down Controller,
N-Channel Drive
High Efficiency Low Noise Synchronous Step-Down Controllers,
N-Channel Drive
Ultralow Quiesent Current Step-Down Monolithic Switching Regulators
Adaptive Power is a trademark of Linear Technology Corporation.
28
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
q
(408)432-1900
FAX: (408) 434-0507
q
TELEX: 499-3977
q
www.linear-tech.com
U
+
C4, 0.1碌F
C
IN
100碌F
10V
脳
4
+V
IN
4.5V TO
5.5V
+V
OUT
3.3V
10A
+
D1
L1 = PULSE ENGINEERING PE53691
M1 = INTERNATIONAL RECTIFIER IRL3803S
Q2 = MOTOROLA MMBTA14LT1
R
SENSE
= IRC OAR3-R0082
Figure 23. 5V to 3.3V/10A Converter (Surface Mount)
COMMENTS
100% DC, Burst Mode Operation, 8-Pin SO
and PDIP
100% DC, Burst Mode Operation, V
IN
< 20V
100% DC,Std Threshold MOSFETs, V
IN
< 48V
100% DC, Logic Level MOSFETs, V
IN
< 40V
100% DC, Burst Mode Operation, 8-Pin SO
100% DC, Burst Mode Operation, 14-Pin SO
100% DC, Burst Mode Operation, V
IN
< 20V
High Frequency
16- and 20-Pin Narrow SSOP
Burst Mode Operation, 16-Pin Narrow SO
Adaptive Power
TM
Mode, 20- and 24-Pin SSOP
100% DC, 8-Pin MSOP, V
IN
< 20V
1624f LT/TP 0198 4K 鈥?PRINTED IN USA
漏
LINEAR TECHNOLOGY CORPORATION 1997