Datasheet

19
LTC3701
3701fa
GN16 (SSOP) 0502
12
3
4
5
6
7
8
.229 – .244
(5.817 – 6.198)
.150 – .157**
(3.810 – 3.988)
16
15
14
13
.189 – .196*
(4.801 – 4.978)
12 11 10
9
.016 – .050
(0.406 – 1.270)
.015
± .004
(0.38 ± 0.10)
× 45°
0° – 8° TYP
.007 – .0098
(0.178 – 0.249)
.053 – .068
(1.351 – 1.727)
.008 – .012
(0.203 – 0.305)
.004 – .0098
(0.102 – 0.249)
.0250
(0.635)
BSC
.009
(0.229)
REF
.254 MIN
RECOMMENDED SOLDER PAD LAYOUT
.150 – .165
.0250 TYP.0165 ±.0015
.045 ±.005
*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
INCHES
(MILLIMETERS)
NOTE:
1. CONTROLLING DIMENSION: INCHES
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
TYPICAL APPLICATIO S
U
+
+
SENSE1
–
I
TH
/RUN1
V
FB1
SGND
V
FB2
I
TH
/RUN2
PLLLPF
SENSE2
–
SENSE1
+
V
IN
PGATE1
PGND
PGATE2
PGOOD
EXTCLK/MODE
SENSE2
+
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
LTC3701
C6 220pF
C4 220pF
R10
10k
R5
10k
10k
10nF
R6
78.7k
R8
80k
R9
100k
R7
169k
R1
0.012Ω
L1
1.5µH
C1
47µF
C2
10µF
C5
47µF
C1, C5: SANYO 6TPA47M
C2: TAIYO YUDEN LMK325BJ106K-T
R2
0.015Ω
L2
1.5µH
D1
M1
M2
100k
D2
V
IN
3701 TA02
V
IN
2.7V to 9.8V
V
OUT1
2.5V
4A
GND
V
OUT2
1.8V
4A
D1, D2: IR30BQ015
L1, L2: COILCRAFT DO3316P-152
M1, M2: Si9803DY
R1, R2: DALE 0.25W
1nF
1nF
1µF
10Ω
2-Phase, Synchronizable Dual Output Step-Down DC/DC Converter with 4A Output Currents
U
PACKAGE DESCRIPTIO
GN Package
16-Lead Plastic SSOP (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1641)
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.