LT1176 Linear Technology, LT1176 Datasheet - Page 4

• Manufacturer Part Number: LT1176
• Description: Step-Down Switching Regulator
• Manufacturer: Linear Technology

PACKAGE DESCRIPTIO
LT1176/LT1176-5
BLOCK
(0.229 – 0.330)
4
0.009 – 0.013
NOTE:
PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS.
RAD MIN
(0.127)
0.005
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7487
[phone]
(0.254 – 0.737)
0.010 – 0.029
SEE NOTE
I D AGRA
(7.391 – 7.595)
0.291 – 0.299
STATUS
INPUT SUPPLY
(7.620 – 8.128)
(0.229 – 0.381)
0.300 – 0.320
0.009 – 0.015
SHUTDOWN
0.325
8.255
VOLTAGE
MONITOR
OUTPUT
(0.406 – 1.270)
FB/SENSE
*CONNECTED ON 5V VERSION ONLY
0.016 – 0.050
+0.635
–0.381
+0.025
–0.015
10 A
45
FAX
: [phone]
2.8k
2.21V
2.35V
0.3V
W
0° – 8° TYP
SHUTDOWN
+
–
+
–
POWER
2.2k*
+
–
ERROR
(2.362 – 2.642)
AMP
CURRENT LIMIT
0.093 – 0.104
A1
TELEX
(1.143 ± 0.381)
SHUTDOWN
0.045 ± 0.015
(1.651)
0.065
TYP
(1.270)
0.050
TYP
: 499-3977
(2.540 ± 0.254)
0.100 ± 0.010
U
(0.356 – 0.482)
0.014 – 0.019
V
C
Dimensions in inches (milimeters) unless otherwise noted.
TYP
REGULATOR
(1.143 – 1.651)
AND BIAS
0.045 – 0.065
24V (EQUIVALENT)
I
X
S Package 20-Lead Plastic SOL
6V
LIM
N Package 8-Lead Plastic DIP
MULTIPLIER
ANALOG
XYZ
V
Z
Y
FREQ SHIFT
SYNC
IN
OSCILLATOR
6V TO ALL
CIRCUITRY
100kHz
3V
P-P
(0.457 ± 0.076)
0.018 ± 0.003
4.5V
+
–
(3.302 ± 0.127)
0.130 ± 0.005
320 A
(3.175)
0.125
(0.940 – 1.143)
MIN
0.037 – 0.045
C1
(0.102 – 0.305)
0.004 – 0.012
10k
PULSE WIDTH
COMPARATOR
(0.508)
0.020
MIN
S
CURRENT LIMIT
LATCH
R/S
R
R
COMP
NOTE
Q
SEE
C2
20
1
+
–
8
1
19
2
G1
18
3
2
(10.160)
7
0.400
MAX
500
17
(12.598 – 13.005)
4
0.496 – 0.512
LINEAR TECHNOLOGY CORPORATION 1993
6
3
16
5
15
6
4
5
400
14
7
LT1176/76-5 • BD
13
SWITCH
OUTPUT
(6.350 ± 0.254)
8
0.250 ± 0.010
(V
SW
12
0.16
9
)
LT/GP 0393 10K REV 0
11
10
(10.007 – 10.643)
0.394 – 0.419