Datasheet

10
LT1672/LT1673/LT1674
Dimensions in inches (millimeters) unless otherwise noted.
N8 Package
8-Lead PDIP (Narrow 0.300)
(LTC DWG # 05-08-1510)
U
PACKAGE DESCRIPTIO
MS8 Package
8-Lead Plastic MSOP
(LTC DWG # 05-08-1660)
Battery Current Monitor
TYPICAL APPLICATIO S
U
N8 1098
0.100
(2.54)
BSC
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)
Over-the-Top Comparator with Hysteresis
–
+
–
+
1672/3/4 TA04
R
SENSE
0.1Ω
I
L
CHARGE
R
A
2N3904
V
O
= I
L
R
SENSE
FOR R
A
= 10k, R
B
= 100k (R
B
/R
A
≥5)
= 1V/A
CHARGE
OUT
DISCHARGE
OUT
DISCHARGE
2N3904
R
A
R
A
R
A
R
B
R
B
R
A
V
O
I
L
R
B
A1
1/2 LT1673
5V
12V
A2
1/2 LT1673
()
–
+
LT1672
IN1
(0V TO 12V)
IN2
(0V TO 12V)
2N5087
2N5210
1672/3/4 TA03
1M
V
OUT
1M
V
CC
100
1M
10k
HYSTERESIS =
10k
1M
5V (V
CC
)
I
S
< 10µA
MSOP (MS8) 1100
* DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH,
PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
0.021
± 0.006
(0.53 ± 0.015)
0
° – 6° TYP
SEATING
PLANE
0.007
(0.18)
0.043
(1.10)
MAX
0.009 – 0.015
(0.22 – 0.38)
0.005
± 0.002
(0.13 ± 0.05)
0.034
(0.86)
REF
0.0256
(0.65)
BSC
12
3
4
0.193 ± 0.006
(4.90 ± 0.15)
8
7
6
5
0.118 ± 0.004*
(3.00 ± 0.102)
0.118 ± 0.004**
(3.00 ± 0.102)