LTC1473L Datasheet, PDF (15/16 Pages) Linear Technology – Dual Low Voltage PowerPathTM Switch Driver

LTC1473L
TYPICAL APPLICATIO S
Protected Hot Swap^TM Switchover Between Two Supplies for Portable PC
100k
SUPPLY V1
5V
D1
MMBD2838LT1
Q1
Si9926DY
LONG PIN
DOCKING
CONNECTOR
5V
100k
SUPPLY V2
3.3V
*1812LS-105XKBC,
COILCRAFT
C6
4700pF
1
LTC1473L
IN1
GA1
16
2 _IN2
SAB1 ¹⁵
3 _DIODE
GB1 ¹⁴
4 _TIMER
SENSE^{+ 13}
5 _V+
SENSE^{– 12}
C7
1µF
6
L1*, 1mH ₇
V_GG
SW
C5
1µF
8
GND
GA2 ¹¹
SAB2 ¹⁰
GB2 ⁹
R3
0.1Ω
OUT
LONG PIN
Q2
Si9926DY
SHORT PIN
ON
1473 • TA07
PACKAGE DESCRIPTIO
Dimensions in inches (millimeters) unless otherwise noted.
GN Package
16-Lead Plastic SSOP (Narrow 0.150)
(LTC DWG # 05-08-1641)
0.189 – 0.196*
(4.801 – 4.978)
16 15 14 13 12 11 10 9
0.009
(0.229)
REF
0.229 – 0.244
(5.817 – 6.198)
0.150 – 0.157**
(3.810 – 3.988)
0.007 – 0.0098
(0.178 – 0.249)
0.015
(0.38
±
±
0.004
0.10)
×
45°
0° – 8° TYP
0.016 – 0.050
(0.406 – 1.270)
* 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
1 234 5678
0.053 – 0.068
(1.351 – 1.727)
0.004 – 0.0098
(0.102 – 0.249)
0.008 – 0.012
(0.203 – 0.305)
0.0250
(0.635)
BSC
GN16 (SSOP) 1098
Hot Swap is a trademark of Linear Technology Corporation
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.
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