LT1171CQ Linear Technology, LT1171CQ Datasheet - Page 19

• Manufacturer Part Number: LT1171CQ
• Description: IC SWTCHNG REGULATOR HI-EFF 5-DD
• Manufacturer: Linear Technology
• Type: Step-Down (Buck), Step-Up (Boost), Inverting, Cuk, Flyback, Forward Converterr

Specifications of LT1171CQ

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 40 V
• Current - Output: 2.5A
• Frequency - Switching: 100kHz
• Voltage - Input: 3 ~ 40 V
• Operating Temperature: 0°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (5 leads + tab)
• Power - Output: 100W
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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