ltm8021 Linear Technology Corporation, ltm8021 Datasheet - Page 2

• Manufacturer Part Number: ltm8021
• Description: 36vin, 500ma Step-down Dc/dc ?module
• Manufacturer: Linear Technology Corporation

ABSOLUTE MAXIMUM RATINGS
LTM8021
(Note 1)
V
RUN/SS Above V
ADJ Voltage ................................................................5V
BIAS Voltage ...............................................................7V
V
Internal Operating Temperature
Maximum Solder Temperature .............................. 260°C
Storage Temperature Range ...................–55°C to 125°C
LEAD FREE FINISH
LTM8021EV#PBF
LTM8021IV#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
For more information on lead free part marking, go to:
This product is only offered in trays. For more information go to:
ELECTRICAL CHARACTERISTICS
SYMBOL
V
V
R
I
I
IQV
IQ
ΔV
ΔV
ORDER INFORMATION
2
erature range, otherwise specifi cations are at T
LK
OUT
IN
OUT
ADJ(MIN)
IN
OUT
BIAS
OUT
OUT
Range (Note 2) ..................................–40°C to 125°C
IN
, RUN/SS Voltage .................................................40V
/V
/V
Voltage .............................................................10V
OUT
OUT
PARAMETER
Input DC Voltage
Output DC Voltage
Minimum Allowable R
Leakage from IN to OUT
Continuous Output DC Current
Quiescent Current into V
Quiescent Current into BIAS
Line Regulation
Load Regulation
IN
......................................................3V
PART MARKING*
LTM8021V
LTM8021V
ADJ
IN
http://www.linear.com/leadfree/
A
= 25°C, V
CONDITIONS
V
0 < I
0 < I
Note 3
RUN/SS = V
5V ≤ V
RUN/SS = 0.2V, V
Not Switching
I
5V ≤ V
R
V
OUT
RUN/SS
IN
ADJ
http://www.linear.com/packaging/
= 24V, 0 ≤ I
OUT
OUT
= 500mA, Not Switching
PACKAGE DESCRIPTION
35-Lead (11.25mm × 6.25mm × 2.82mm)
35-Lead (11.25mm × 6.25mm × 2.82mm)
= Open
IN
The
IN
IN
= 5V, R
< 500mA; R
< 500mA; R
= 10V, V
≤ 36V, V
≤ 36V, I
l
BIAS
denotes the specifi cations which apply over the full operating temp-
OUT
ADJ
= 0V, R
OUT
BIAS
BIAS
RUN/SS
PIN CONFIGURATION
≤ 500mA, V
= Open
RUN/SS
ADJ
ADJ
= 500mA
, R
= V
BANK 1
ADJ
ADJ
Open
= 19.1k, 0.1%
ADJ
OUT
V
= 10V, V
IN
Open
Open
5
4
3
2
1
BIAS
θ
A
BIAS
= V
JA
T
JMAX
DERIVED FROM 6.35cm × 6.35cm; 4-LAYER PCB
OUT
35-LEAD (11.25mm 6.25mm 2.82mm)
= 3V, R
B
= 125°C, θ
C
ADJ
JA
LGA PACKAGE
= 24.9°C/W, WEIGHT = 0.49g
TOP VIEW
D
= 31.6k.
MIN
18
TEMPERATURE RANGE (NOTE 2)
–40°C to 125°C
–40°C to 125°C
3
0
E
F
0.15
0.35
TYP
0.8
2.7
0.1
1.5
0.5
5
G
H
MAX
500
2.5
36
6
1
V
BANK 2
BIAS
GND
BANK 3
OUT
UNITS
8021fa
mA
mA
kΩ
μA
μA
μA
%
%
V
V
V