LTC3728LEGN Linear Technology, LTC3728LEGN Datasheet - Page 34

• Manufacturer Part Number: LTC3728LEGN
• Description: IC REG SW DUAL 2PH STPDWN 28SSOP
• Manufacturer: Linear Technology
• Series: PolyPhase®r
• Type: Step-Down (Buck)r

Specifications of LTC3728LEGN

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.8 ~ 7 V
• Current - Output: 3A
• Frequency - Switching: 250kHz ~ 550kHz
• Voltage - Input: 4.5 ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

PACKAGE DESCRIPTION
LTC3728L/LTC3728LX
34
.0165 ± .0015
.254 MIN
.0075 – .0098
(0.19 – 0.25)
RECOMMENDED SOLDER PAD LAYOUT
NOTE:
1. CONTROLLING DIMENSION: INCHES
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
(0.406 – 1.270)
.016 – .050
(MILLIMETERS)
INCHES
0° – 8° TYP
(0.38 ± 0.10)
.015 ± .004
28-Lead Plastic SSOP (Narrow .150 Inch)
.045 ±.005
.150 – .165
.0250 BSC
(Reference LTC DWG # 05-08-1641)
× 45°
GN Package
(5.817 – 6.198)
(0.203 – 0.305)
.229 – .244
.008 – .012
TYP
.0532 – .0688
(1.35 – 1.75)
28
1
27
2 3
26
25
4
24
5 6 7
(9.804 – 9.982)
23
.386 – .393*
(0.635)
.0250
22
BSC
21
8 9 10 11 12
20
19 18 17
1615
13 14
(0.102 – 0.249)
.004 – .0098
(3.810 – 3.988)
.150 – .157**
GN28 (SSOP) 0204
(0.838)
.033
REF
3728lxfe