LT1521 Linear Technology, LT1521 Datasheet - Page 13

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LT1521

Manufacturer Part Number
LT1521
Description
300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown
Manufacturer
Linear Technology
Datasheet

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PACKAGE
APPLICATIONS
Table 4. Fault Conditions
< V
< V
– 20V < V
OUT
OUT
INPUT PIN
> 1.5V
Open
Open
(Nominal)
(Nominal)
0.8V
0.8V
IN
< 20V
DESCRIPTION
U
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
(0.18)
0.007
* DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH,
PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
INFORMATION
U
Open (High)
Open (High)
Open (High)
Open (High)
SHDN PIN
Grounded
Grounded
Grounded
Grounded
(0.53 0.015)
0.021 0.006
W
U
Dimensions in inches (millimeters) unless otherwise noted.
0 – 6 TYP
U
Forced to V
Forced to V
(LTC DWG # 05-08-1660)
OUTPUT/SENSE PINS
8-Lead Plastic MSOP
MS8 Package
SEATING
> 1V
> 1V
OUT
OUT
PLANE
0V
0V
0V
0V
0.192 0.004
(3.00 0.102)
0.118 0.004*
(4.88 0.10)
(Nominal)
(Nominal)
0.040 0.006
(1.02 0.15)
(0.30)
0.012
REF
0.0256
(0.65)
TYP
1
8
7 6 5
2 3
RESULTING CONDITIONS
Reverse Output Current 5 A (See Figure 3)
Input Current 1 A (See Figure 4)
Reverse Output Current 5 A (See Figure 3)
Input Current 1 A (See Figure 4)
Reverse Output Current 5 A (See Figure 3)
Reverse Output Current 5 A (See Figure 3)
Output Current = 0
Output Current = 0
Output Current = Short-Circuit Current
Output Current = 0
4
(0.86 0.102)
0.034 0.004
(3.00 0.102)
0.118 0.004**
(0.15 0.102)
LT1521-3.3/LT1521-5
0.006 0.004
MSOP (MS8) 1197
LT1521/LT1521-3
13

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