LTC3642IDD-5#TRPBF Linear Technology, LTC3642IDD-5#TRPBF Datasheet - Page 18

• Manufacturer Part Number: LTC3642IDD-5#TRPBF
• Description: IC DC/DC CONV HE/HV 5V 8-DFN
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3642IDD-5#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 50mA
• Voltage - Input: 4.5 ~ 45 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Frequency - Switching: -

TYPICAL APPLICATIONS
LTC3642
18
15V TO 45V
V
IN
High Efficiency 15V, 10mA Regulator
C
1µF
IN
C
C
L1: COILCRAFT DS1608C-475
IN
OUT
: AVX 18125C105KAT2A
: TDK C3216X7R1E475KT
V
RUN
I
SS
SET
IN
LTC3642
GND
HYST
SW
V
FB
7V TO 45V
4700µH
V
L1
IN
Small Size, Limited Peak Current, 10mA Regulator
R1
3M
R2
169k
3642 TA07a
C
1µF
IN
R3
470k
R4
100k
R5
33k
C
C
L1: MURATA LQH32CN471K23
IN
OUT
C
4.7µF
: TDK C3225X7R1H105KT
OUT
: AVX 08056D106KAT2A
V
RUN
HYST
I
SET
IN
LTC3642
V
15V
10mA
OUT
GND
SW
V
SS
FB
470µH
L1
R1
470k
R2
88.7k
100
3642 TA05a
95
90
85
80
75
70
65
60
0.1
Efficiency vs Load Current
C
10µF
OUT
LOAD CURRENT (mA)
V
5V
10mA
OUT
V
V
1
IN
IN
V
= 24V
= 36V
IN
= 45V
3642 TA07b
10
3642fc