27
LTC1929/LTC1929-PG
PACKAGE DESCRIPTIO
U
Dimensions in inches (millimeters) unless otherwise noted.
G Package
28-Lead Plastic SSOP (0.209)
(LTC DWG # 05-08-1640)
TYPICAL APPLICATIO S
U
Figure 12. Efficiency Plot for Circuit of Figure 11
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.
LOAD CURRENT (A)
0
5 10 15 20 25 30 35 40
EFFICIENCY (%)
1929 F12
100
90
80
70
60
50
V
IN
= 5V
V
OUT
= 1.6V
G28 SSOP 1098
0.13 – 0.22
(0.005 – 0.009)
0
° – 8°
0.55 – 0.95
(0.022 – 0.037)
5.20 – 5.38**
(0.205 – 0.212)
7.65 – 7.90
(0.301 – 0.311)
1234
5
6
7
8 9 10 11 12 1413
10.07 – 10.33*
(0.397 – 0.407)
2526 22 21 20 19 18
17
16 1523242728
1.73 – 1.99
(0.068 – 0.078)
0.05 – 0.21
(0.002 – 0.008)
0.65
(0.0256)
BSC
0.25 – 0.38
(0.010 – 0.015)
NOTE: DIMENSIONS ARE IN MILLIMETERS
DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.152mm (0.006") PER SIDE
DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.254mm (0.010") PER SIDE
*
**