Joulwatt EV5018 S1 R0 Manual

P a r a m e t e r s S u b j e c t t o C h a n g e P a r a m e t e r s P a r a m e t e r s P a r a m e t e r s S u b j e c t t o C h a n g e S u b j e c t t o C h a n g e S u b j e c t t o C h a n g e W i t h o u t N o t i c e

FEATURES

4.7V to 40V operating input range
600mA output current
Up to 93%efficiency
Internal Soft-Start
1.1MHz switching frequency
FCC at light load
Input under voltage lockout
Available in SOT23-6package
Current run-away protection
Short circuit protection
Thermal protection

APPLICATIONS

Distributed Power Systems
Automotive Systems
High Voltage Power Conversion
Industrial Power Systems
Battery Powered Systems

EVALUATION BOARD AND TYPICAL PERFORMANCE

EV5018_S1_R0 Rev.0.8
Step-Down Converter Evaluation Board
W i t h o u t N o t i c e W i t h o u t N o t i c e W i t h o u t N o t i c e
JoulWatt Proprietary Information. Patent Protected.
Unauthorized Photocopy and Duplication Prohibited.
EV5018_S1_R0
600mA, 40V Synchronous

DESCRIPTION

The JW5018 is a current mode monolithic buck
switching regulator. Operating with an input range
of 4.7V~40V, the JW5018 delivers 1A of
continuous output current with two integrated
N-Channel MOSFETs. The internal synchronous
power switches provide high efficiency without
the use of an external Schottky diode. At light
loads, the regulator operates in continual
conduction to maintain low output ripples. Current
mode control provides tight load transient
response and cycle-by-cycle current limit.
The JW5018 guarantees
short-circuit protection,
current run-away protection, and input under
voltage lockout.

ELECTRICAL SPECIFICATIONS

Parameter Symbol
Input Voltage VIN
Output Voltage VOUT
Output Current IOUT
Efficiency
100
90
80
） ） ） ）
70
60
（ （ （ （
50
40
30
20
10
0
0 200 400 600
Io(mA)
robustness
thermal protection,
Value Unit
7.5~40 V
5 V
0~0.6 A
Vin=8V
Vin=12V
Vin=24V
800 1000
1
with