LT1172CT#31PBF Linear Technology, LT1172CT#31PBF Datasheet - Page 19
LT1172CT#31PBF
Manufacturer Part Number
LT1172CT#31PBF
Description
IC REG SW HI-EFF 1.25A TO220-5
Manufacturer
Linear Technology
Type
Step-Down (Buck), Step-Up (Boost), Inverting, Cuk, Flyback, Forward Converterr
Datasheet
1.LT1172CN8PBF.pdf
(24 pages)
Specifications of LT1172CT#31PBF
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
1.25 ~ 40 V
Current - Output
1.25A
Frequency - Switching
100kHz
Voltage - Input
3 ~ 40 V
Operating Temperature
0°C ~ 100°C
Mounting Type
Through Hole
Package / Case
TO-220-5 (Bent and Staggered Leads)
Power - Output
100W
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
PACKAGE DESCRIPTION
(1.524)
.060
HATCHED AREA IS SOLDER PLATED
BOTTOM VIEW OF DD PAK
COPPER HEAT SINK
(6.502)
(7.620)
.256
.300
(1.905)
(1.524)
.060
.075
RECOMMENDED SOLDER PAD LAYOUT
NOTE:
1. DIMENSIONS IN INCH/(MILLIMETER)
2. DRAWING NOT TO SCALE
(4.648)
.183
.067
.420
(1.524)
.060
TYP
(8.382 – 9.398)
(
3.632
.330 – .370
.143
+0.305
–0.508
+.012
–.020
(Reference LTC DWG # 05-08-1461)
)
.042
5-Lead Plastic DD Pak
.090
.350
Q Package
.565
(0.711 – 0.965)
.028 – .038
TYP
.080
(9.906 – 10.541)
FOR THICKER SOLDER PASTE APPLICATIONS
.205
.390 – .415
.320
(1.702)
RECOMMENDED SOLDER PAD LAYOUT
.067
BSC
15 ° TYP
LT1170/LT1171/LT1172
.067
.420
.276
(4.191 – 4.572)
.165 – .180
(0.330 – 0.584)
.013 – .023
(1.499)
.059
TYP
.042
.090
.325
.565
(1.143 – 1.397)
(
0.102
(2.413 – 2.921)
.045 – .055
.004
(1.270 ± 0.305)
.095 – .115
.050 ± .012
+0.203
–0.102
+.008
–.004
Q(DD5) 0502
19
)
117012fg