LTC3701 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC3701' PDF : 20 Pages View PDF
TYPICAL APPLICATIO S
LTC3701
2-Phase, Synchronizable Dual Output Step-Down DC/DC Converter with 4A Output Currents
1nF
R7
169k
R6
78.7k
R10 C6 220pF
10k
R8 R5
80k 10k C4 220pF
R9
100k
10k
10nF
1 SENSE1–
SENSE1+ 16
2
ITH/RUN1
15
VIN
3
VFB1
14
PGATE1
4 SGND LTC3701 PGND 13
5
VFB2
12
PGATE2
6
ITH/RUN2
11
PGOOD
7 PLLLPF EXTCLK/MODE 10
8 SENSE2–
SENSE2+ 9
R1
0.012Ω M1
10Ω
1µF
100k
VIN
R2
M2
0.015Ω
L1
1.5µH +
D1
C1
47µF
GND
D2
L2
1.5µH
C5
47µF
C1, C5: SANYO 6TPA47M
C2: TAIYO YUDEN LMK325BJ106K-T
1nF
D1, D2: IR30BQ015
L1, L2: COILCRAFT DO3316P-152
3701 TA02
M1, M2: Si9803DY
R1, R2: DALE 0.25W
VIN
2.7V to 9.8V
VOUT1
2.5V
4A
C2
10µF
VOUT2
1.8V
4A
PACKAGE DESCRIPTIO
GN Package
16-Lead Plastic SSOP (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1641)
.045 ±.005
.189 – .196*
(4.801 – 4.978)
16 15 14 13 12 11 10 9
.009
(0.229)
REF
.254 MIN
.150 – .165
.229 – .244
(5.817 – 6.198)
.150 – .157**
(3.810 – 3.988)
.0165 ± .0015
.0250 TYP
RECOMMENDED SOLDER PAD LAYOUT
.007 – .0098
(0.178 – 0.249)
.015 ± .004
(0.38 ± 0.10)
× 45°
0° – 8° TYP
1 234 5678
.053 – .068
(1.351 – 1.727)
.004 – .0098
(0.102 – 0.249)
.016 – .050
(0.406 – 1.270)
NOTE:
1. CONTROLLING DIMENSION: INCHES
2.
DIMENSIONS
ARE
IN
INCHES
(MILLIMETERS)
3. DRAWING NOT TO SCALE
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
.008 – .012
(0.203 – 0.305)
.0250
(0.635)
BSC
GN16 (SSOP) 0502
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
3701fa
19
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