MAX16814EVKIT+ Maxim Integrated Products, MAX16814EVKIT+ Datasheet - Page 6

• Manufacturer Part Number: MAX16814EVKIT+
• Description: KIT EAL FOR MAX16814
• Manufacturer: Maxim Integrated Products

Specifications of MAX16814EVKIT+

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
V
Integrated, 4-Channel, High-Brightness LED Driver
with High-Voltage Boost and SEPIC Controller
6
LEDGND
IN
5.08
5.06
5.04
5.02
5.00
4.98
4.96
______________________________________________________________________________________
= V
5
EN
= V
T
= 12V, f
10
A
= +125NC
DIM
V
CC
15
= V
LINE REGULATION
SW
T
A
PGND
20
V
= +25NC
IN
= 300kHz, R
(V)
STARTUP WAVEFORM WITH DIM
25
STARTUP WAVEFORM WITH
DIM ON PULSE WIDTH < t
T
= V
A
= -40NC
CONTINUOUSLY ON
30
SGND
35
40ms/div
40ms/div
SETI
= 0V, load =4 strings of 7 white LEDs, T
40
= 15kI, C
FIGURE 2
MAX16814 toc14
MAX16814 toc12
5.10
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
SW
Typical Operating Characteristics (continued)
VCC
0
T
= 1FF, V
A
V
20V/div
0V
V
5V/div
0V
I
100mA/div
0A
V
10V/div
0V
V
20V/div
0V
V
5V/div
0V
I
100mA/div
0A
V
20V/div
0V
= +125NC
OUT1
OUT_
IN
DIM
LED
IN
DIM
LED
V
20
CC
T
A
LOAD REGULATION
= -40NC
CC
I
VCC
= V
40
(mA)
1.5
1.3
1.1
0.9
0.7
0.5
DRV
-50
, NDRV = COMP = OUT_ = unconnected, V
60
MOSFET DRIVER ON-RESISTANCE
T
A
A
STARTUP WAVEFORM WITH DIM
-25
= +25NC
= +25NC, unless otherwise noted.)
ON PULSE WIDTH = 10t
vs. TEMPERATURE
0
TEMPERATURE (NC)
80
25
40ms/div
pMOS
2.00
1.80
1.60
1.40
1.20
1.00
0.80
0.60
0.40
0.20
50
nMOS
0.02
75
SWITCHING FREQUENCY vs. 1/RT
0.06
SW
FIGURE 2
MAX16814 toc13
100
0.10
125
0.14 0.18
V
20V/div
0V
V
5V/div
0V
I
100mA/div
0A
V
10V/div
0V
1/RT (mS)
OUT1
IN
DIM
LED
0.22
OVP
0.26
= V
CS
0.30
=