Datasheet

17
LT1575/LT1577
TYPICAL APPLICATIONS N
U
3.3V to 2.8V ±100mV at 5.7A with Sense-Less Current Limit and Timer Latchoff
+
+
1
2
3
4

8
7
6
5
C2
330µF
6.3V
C3
680pF
C7
10µF
C4
1000pF
R1
4.7k
R2
10Ω
C8 TO C31*
1µF
Q1
IRL3303
V
CORE

2.8V
C5
22pF
1575/77 TA14
FAULT RESET
C6
0.1µF
12V
C1
330µF
6.3V
INPUT
3.3V
RTN
+
*X7R CERAMIC 0805 CASE
LT1575-2.8
SHDN
V
IN

GND
OUT
IPOS
INEG
GATE
COMP
N8 1197
0.100 ± 0.010
(2.540 ± 0.254)
0.065
(1.651)
TYP
0.045 – 0.065
(1.143 – 1.651)
0.130 ± 0.005
(3.302 ± 0.127)
0.020
(0.508)
MIN
0.018 ± 0.003
(0.457 ± 0.076)
0.125
(3.175)
MIN

12
3
4
876
5
0.255 ± 0.015*
(6.477 ± 0.381)


0.400*
(10.160)
MAX
0.009 – 0.015
(0.229 – 0.381)
0.300 – 0.325
(7.620 – 8.255)
0.325
+0.035
–0.015
+0.889
–0.381
8.255
()
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
N8 Package
8-Lead PDIP (Narrow 0.300)
(LTC DWG # 05-08-1510)
Dimensions in inches (millimeters) unless otherwise noted.
PACKAGE DESCRIPTION
U