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LTM8020
ABSOLUTE MAXIMUM RATINGS
(Note 1)
PIN CONFIGURATION
V IN , SHDN Voltage ....................................................40V
ADJ Voltage ................................................................5V
BIAS Voltage .............................................................25V
V OUT
5
4
TOP VIEW
V IN + BIAS Voltage ....................................................47V
V OUT Voltage .............................................................10V
Internal Operating Temperature Range .. –40°C to 125°C
Storage Temperature Range .................. –55°C to 125°C
V IN
3
2
1
BIAS
SHDN
GND
ADJ
Maximum Solder Temperature .............................. 260°C
A
B
C
D
E
LGA PACKAGE
21-LEAD (6.25mm
6.25mm
2.32mm)
T JMAX = 125°C, θ JA = 23.1°C/W
θ JA DERIVED FROM 5cm × 5cm PCB WITH 4 LAYERS
WEIGHT = 0.25g
ORDER INFORMATION
LEAD FREE FINISH
LTM8020EV#PBF
LTM8020IV#PBF
LTM8020MPV#PBF
PART MARKING*
LTM8020V
LTM8020V
LTM8020MPV
PACKAGE DESCRIPTION
21-Lead (6.25mm × 6.25mm)
21-Lead (6.25mm × 6.25mm)
21-Lead (6.25mm × 6.25mm)
TEMPERATURE RANGE (Note 2)
–40°C to 85°C
–40°C to 85°C
–55°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
This product is only offered in trays. For more information go to: http://www.linear.com/packaging/
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. V IN = 10V, V SHDN = 10V, V BIAS = 3V, External C IN = 2.2μF, C OUT = 4.7μF.
(Note 2)
SYMBOL
V IN
V OUT
R ADJ(MIN)
PARAMETER
Input DC Voltage
Output DC Voltage
Minimum Allowable R ADJ
CONDITIONS
0 < I OUT ≤ 200mA; 167k Ω < R ADJ < ∞
(Note 3)
l
MIN
4
1.2
163
TYP
MAX
36
5
UNITS
V
V
k Ω
I LK
I OUT
Leakage from IN to OUT
Continuous Output DC Current
V SHDN = 0V, BIAS = 0V
5.5V ≤ V IN ≤ 36V, R ADJ = 301k, V O = 3.3V
0
1.2
6
200
μA
mA
I Q(VIN)
Quiescent Current into IN
SHDN = 0.2V, BIAS Open
BIAS = 3V, Not Switching
l
10
1
18
μA
μA
BIAS = 0V, Not Switching
35
50
μA
I Q(BIAS)
Quiescent Current into BIAS
SHDN = 0.2V, BIAS = 0V
BIAS = 3V, Not Switching
l
25
0.5
60
μA
μA
BIAS = 0V, Not Switching
1.5
μA
Δ V OUT /V OUT
Δ V OUT /V OUT
Line Regulation
Load Regulation
5V ≤ V IN ≤ 36V, I OUT = 200mA, R ADJ Open
V IN = 24V, 0 ≤ I OUT ≤ 200mA, V OUT = 3.3V
1
2
%
%
8020fd
2
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