lt3010hms8e-trpbf Linear Technology Corporation, lt3010hms8e-trpbf Datasheet - Page 13

• Manufacturer Part Number: lt3010hms8e-trpbf
• Description: 50ma, 3v To 80v Low Dropout Micropower Linear Regulator
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIONS
LOW
OPERATING
CURRENT
TO 60V
5.5V*
V
HIGH
IN
C3
4.7μF
100V
CERAMIC
5V Buck Converter with Low Current Keep Alive Backup
15
14
4
8
5
100
90
80
70
60
50
V
SHDN
SYNC
IN
SHDN
GND
IN
0
V
L = 68μH
1, 8, 9, 16
OUT
LT3010-5
BOOST
LT1766
GND
Effi ciency vs Load Current
= 5V
0.25
6
4
SENSE
BIAS
V
OUT
SW
Buck Converter
LOAD CURRENT (A)
C
FB
11
0.50
C
1nF
2
10
12
C
1
2
V
V
IN
IN
0.75
= 10V
= 42V
D1
10MQ060N
C2
0.33μF
*
†
FOR INPUT VOLTAGES BELOW 7.5V,
SOME RESTRICTIONS MAY APPLY
INCREASE L1 TO 30μH FOR LOAD
CURRENTS ABOVE 0.6A AND TO
60μH ABOVE 1A
1.00
15μH
L1
30105 TA04
†
D1N914
R1
15.4k
R2
4.99k
1.25
D2
+
C1
100μF 10V
SOLID
TANTALUM
LT3010/LT3010-5
30105 TA03
V
5V
1A/50mA
OUT
13
30105fc