MAX16818EVKIT+ Maxim Integrated Products, MAX16818EVKIT+ Datasheet - Page 14

• Manufacturer Part Number: MAX16818EVKIT+
• Description: KIT EVALUATION FOR MAX16818
• Manufacturer: Maxim Integrated Products

Specifications of MAX16818EVKIT+

• Current - Output / Channel: 1A
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 18V
• Features: Dimmable
• Voltage - Input: 6 ~ 28V
• Utilized Ic / Part: MAX16818
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1.5MHz, 30A High-Efficiency, LED Driver
with Rapid LED Current Pulsing
Figure 6. MAX16818 Functional Diagram
14
______________________________________________________________________________________
RT/SYNC
CLKOUT
SENSE+
V_IOUT
SENSE-
EAOUT
SGND
CSP
CSN
DIFF
CLP
EAN
V
LIM
OVI
EN
CC
IN
A
V
SOFT-
START
DIFF
AMP
= 4
OSCILLATOR
+0.6V
REGULATOR
V
LDO
CC
5V
VEA
ERROR AMP
V
V
I
REF
CM
S
V
CLAMP
LOW
(0.6V)
= 0.6V
GENERATOR
0.5V x V
RAMP
A
CA
V
= 34.5
TO INTERNAL
CC
CIRCUITS
CLK
V
HIGH
CLAMP
g
m
CEA
= 500µS
TEMP SENSOR
UVLO
POR
2 x f
100kΩ
RAMP
0.5 x V
S
(V/s)
CURRENT LIMIT
HICCUP MODE
COMPARATOR
CLAMP
CPWM
V
PWM
CM
126.7kΩ
0.12 x V
0.1 x V
C
t
V
S
R
REF
REF
CM
OVP COMP
S
R
Q
Q
MAX16818
CLEAR ON UVLO RESET OR
Q
Q
Functional Diagram
ENABLE LOW
OVP LATCH
N
LATCH
R
T
V
BST
DH
LX
DL
PGND
PGOOD
DD