LT1072CN8 Linear Technology, LT1072CN8 Datasheet - Page 13

• Manufacturer Part Number: LT1072CN8
• Description: IC SWTCHNG REG 1.25A HI-EFF 8DIP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck), Step-Up (Boost), Cuk, Flyback, Forward Converterr

Specifications of LT1072CN8

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 40 V
• Current - Output: 1.25A
• Frequency - Switching: 40kHz
• Voltage - Input: 3 ~ 60 V
• Operating Temperature: 0°C ~ 100°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

PACKAGE DESCRIPTIO
TYPICAL APPLICATIO S
NOTE: LEAD DIMENSIONS APPLY TO SOLDER DIP/PLATE
OR TIN PLATE LEADS
(0.203 – 0.457)
.008 – .018
(1.143 – 1.650)
470µF*
(7.62 BSC)
–15V
.045 – .068
FULL LEAD
.300 BSC
V
OPTION
IN
C4
+
U
CORNER LEADS OPTION
U
200µH
L1
8-Lead CERDIP (Narrow .300 Inch, Hermetic)
(4 PLCS)
V
0° – 15°
SW
GND
OBSOLETE PACKAGE
*REQUIRED IF INPUT LEADS ≥ 2"
(Reference LTC DWG # 05-08-1110)
(0.584 – 1.143)
LT1072
V
HALF LEAD
.023 – .045
IN
OPTION
Negative Boost Regulator
V
C
R3
3.3k
C2
0.22µF
FB
J8 Package
(1.143 – 1.651)
(0.360 – 0.660)
.045 – .065
.014 – .026
RAD TYP
(0.635)
.025
(0.127)
.005
MIN
R1
27k
R2
1.24k
+
D2
C3
10µF
D1
8
1
+
(10.287)
7
2
MAX
.405
C1
1000µF
V
–28V AT 0.25A
OUT
6
3
5
4
R
(MINIMUM
LOAD)
0
(0.381 – 1.524)
(2.54)
.100
BSC
(5.588 – 7.874)
LT1072 • TA13
.015 – .060
.220 – .310
(5.080)
3.175
MAX
.200
.125
MIN
J8 0801
LT1072
13
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