Datasheet

LTM8020
2
8020fd
PIN CONFIGURATIONABSOLUTE MAXIMUM RATINGS
V
IN
, SHDN Voltage ....................................................40V
ADJ Voltage ................................................................5V
BIAS Voltage .............................................................25V
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
Maximum Solder Temperature .............................. 260°C
(Note 1)
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Input DC Voltage
l
436V
V
OUT
Output DC Voltage
0 < I
OUT
≤ 200mA; 167kΩ < R
ADJ
< ∞
1.2 5 V
R
ADJ(MIN)
Minimum Allowable R
ADJ
(Note 3) 163
kΩ
I
LK
Leakage from IN to OUT V
SHDN
= 0V, BIAS = 0V 1.2 6 μA
I
OUT
Continuous Output DC Current 5.5V ≤ V
IN
≤ 36V, R
ADJ
= 301k, V
O
= 3.3V 0 200 mA
I
Q(VIN)
Quiescent Current into IN SHDN = 0.2V, BIAS Open
BIAS = 3V, Not Switching
BIAS = 0V, Not Switching
l
10
35
1
18
50
μA
μA
μA
I
Q(BIAS)
Quiescent Current into BIAS SHDN = 0.2V, BIAS = 0V
BIAS = 3V, Not Switching
BIAS = 0V, Not Switching
l
25
0.5
60
1.5
μA
μA
μA
ΔV
OUT
/V
OUT
Line Regulation 5V ≤ V
IN
≤ 36V, I
OUT
= 200mA, R
ADJ
Open 1 %
ΔV
OUT
/V
OUT
Load Regulation V
IN
= 24V, 0 ≤ I
OUT
≤ 200mA, V
OUT
= 3.3V 2 %
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)
TOP VIEW
5
1
2
3
4
EAB C D
SHDN
GND
ADJ
V
OUT
BIAS
V
IN
LGA PACKAGE
21-LEAD (6.25mm s 6.25mm s 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
LEAD FREE FINISH PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE (Note 2)
LTM8020EV#PBF LTM8020V
21-Lead (6.25mm × 6.25mm)
–40°C to 85°C
LTM8020IV#PBF LTM8020V
21-Lead (6.25mm × 6.25mm)
–40°C to 85°C
LTM8020MPV#PBF LTM8020MPV
21-Lead (6.25mm × 6.25mm)
–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/
ORDER INFORMATION