LT1374CR-5 Linear Technology, LT1374CR-5 Datasheet - Page 29

• Manufacturer Part Number: LT1374CR-5
• Description: IC SW REG 4.5A 5V STEP-DWN 7-DD
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LT1374CR-5

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 4.5A
• Frequency - Switching: 500kHz
• Voltage - Input: 5 ~ 25 V
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (7 leads + tab)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

PACKAGE
(1.524)
.060
HATCHED AREA IS SOLDER PLATED
BOTTOM VIEW OF DD PAK
COPPER HEAT SINK
(6.502)
(7.620)
.256
.300
DESCRIPTION
RECOMMENDED SOLDER PAD LAYOUT
NOTE:
1. DIMENSIONS IN INCH/(MILLIMETER)
2. DRAWING NOT TO SCALE
(1.524)
(1.905)
.075
.060
.050
(4.648)
.183
.420
(1.524)
U
.060
(
TYP
3.632
(8.382 – 9.398)
.143
.330 – .370
+0.305
–0.508
+.012
–.020
.035
)
.350
.090
(LTC DWG # 05-08-1462)
7-Lead Plastic DD Pak
.565
R Package
(0.660 – 0.889)
.026 – .035
.080
TYP
FOR THICKER SOLDER PASTE APPLICATIONS
.205
.320
RECOMMENDED SOLDER PAD LAYOUT
(9.906 – 10.541)
(1.27)
.390 – .415
.050
BSC
.050
15° TYP
.420
.276
(4.191 – 4.572)
.165 – .180
(0.330 – 0.584)
.013 – .023
(1.499)
.059
TYP
.325
.035
.090
.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
LT1374
R (DD7) 0502
)
29
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