Datasheet

18
LT1764A Series
1764afb
Q Package
5-Lead Plastic DD Pak
(Reference LTC DWG # 05-08-1461)
Q(DD5) 1098
0.028 – 0.038
(0.711 – 0.965)
0.143
+0.012
–0.020
()
3.632
+0.305
–0.508
0.067
(1.70)
BSC
0.013 – 0.023
(0.330 – 0.584)
0.095 – 0.115
(2.413 – 2.921)
0.004
+0.008
–0.004
()
0.102
+0.203
–0.102
0.050 ± 0.012
(1.270 ± 0.305)
0.059
(1.499)
TYP
0.045 – 0.055
(1.143 – 1.397)
0.165 – 0.180
(4.191 – 4.572)
0.330 – 0.370
(8.382 – 9.398)
0.060
(1.524)
TYP
0.390 – 0.415
(9.906 – 10.541)
15
° TYP
0.300
(7.620)
0.075
(1.905)
0.183
(4.648)
0.060
(1.524)
0.060
(1.524)
0.256
(6.502)
BOTTOM VIEW OF DD PAK
HATCHED AREA IS SOLDER PLATED
COPPER HEAT SINK
TYPICAL APPLICATIO S
U
Adjustable Current Source
LT1764A-1.8
GND
IN
SHDN
R8
100k
OUT
FB
+
R7
470Ω
4
8
1764 TA04
C2
3.3µF
C3
1µF
R1
1k
R3
2k
C1
10µF
V
IN
> 2.7V
LT1004-1.2
R5
0.01Ω
R2
40.2k
R4
2.2k
2
3
1
R6
2.2k
–
+
LOAD
1/2 LT1366
ADJUST R1 FOR 0A TO 3A
CONSTANT CURRENT
PACKAGE DESCRIPTION
U