Linear Technology DC1238A LTM8021 36V, 500mA Step-Down μModule Regulator DC1238A DC1238A Data Sheet
Product codes
DC1238A
LTM8021
14
8021fd
Typical applicaTions
0.8V Step-Down Converter
LTM8021
8021 TA02
V
IN
*
3.4V TO 36V
5V
V
OUT
0.8V AT 500mA
1µF
100µF
RUN/SS
V
IN
BIAS
V
OUT
GND
ADJ
*RUNNING VOLTAGE RANGE. PLEASE REFER TO THE
APPLICATIONS INFORMATION SECTION FOR START-UP DETAILS.
1.8V Step-Down Converter
5V Step-Down Converter
LTM8021
8021 TA04
V
IN
*
7V TO 36V
V
OUT
5V AT 500mA
1µF
*RUNNING VOLTAGE RANGE. PLEASE REFER TO THE
APPLICATIONS INFORMATION SECTION FOR START-UP DETAILS.
2.2µF
19.1k
RUN/SS
BIAS
GND
ADJ
V
IN
V
OUT
LTM8021
8021 TA03
V
IN
*
3.4V TO 36V
V
OUT
1.8V AT 500mA
1µF
100µF
78.7k
RUN/SS
BIAS
GND
ADJ
5V
V
IN
V
OUT
*RUNNING VOLTAGE RANGE. PLEASE REFER TO THE
APPLICATIONS INFORMATION SECTION FOR START-UP DETAILS.
–5V Positive-to-Negative Converter
Load Current vs Input Voltage
LTM8021
8021 TA05
V
IN
*
3.75V TO 31V
1µF
–5V
4.7µF
OPTIONAL
SCHOTTKY
CLAMP
19.1k
RUN/SS
BIAS
GND
ADJ
V
IN
V
OUT
*RUNNING VOLTAGE RANGE. PLEASE REFER TO THE
APPLICATIONS INFORMATION SECTION FOR START-UP DETAILS.
V
IN
(V)
0
I
LOAD
(mA)
400
500
300
200
10
20
5
15
25
100
0
600
8021 TA05b