MAX16814ATP+ Maxim Integrated Products, MAX16814ATP+ Datasheet - Page 5

• Manufacturer Part Number: MAX16814ATP+
• Description: LED Drivers Integrated 4-Channel High-Brightness LED
• Manufacturer: Maxim Integrated Products

Specifications of MAX16814ATP+

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

(V
V
Integrated, 4-Channel, High-Brightness LED Driver
LEDGND
1.234
1.233
1.232
1.231
1.230
1.229
1.228
IN
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
= V
200
20
EN
C
V
NDRV
400
= V
SETI
with High-Voltage Boost and SEPIC Controller
= 12V, f
vs. SWITCHING FREQUENCY
46
= 13pF
600
DIM
vs. PROGRAMMED CURRENT
LED STRING CURRENT (mA)
SUPPLY CURRENT
800
= V
SW
72
_______________________________________________________________________________________
1000
f
SW
PGND
= 300kHz, R
(kHz)
1200
SWITCHING WAVEFORM AT 5kHz
98
= V
(50% DUTY CYCLE) DIMMING
1400
SGND
1600
124
1800 2000
SETI
40Fs/div
= 0V, load = 4 strings of 7 white LEDs, T
150
= 15kI, C
1.30
1.25
1.20
1.15
1.10
310
308
306
304
302
300
298
296
294
292
290
FIGURE 2
MAX16814 toc01
-50
VCC
-50
-25
= 1FF, V
-25
EN THRESHOLD VOLTAGE
V
10V/div
0V
I
100mA/div
0A
V
10V/div
0V
OUT1
SWITCHING FREQUENCY
LX
OUT
vs. TEMPERATURE
vs. TEMPERATURE
0
0
TEMPERATURE (NC)
TEMPERATURE (NC)
CC
V
V
25
EN
25
EN
FALLING
RISING
= V
50
50
Typical Operating Characteristics
DRV
3.8
3.6
3.4
3.2
3.0
2.8
2.6
2.4
75
SUPPLY CURRENT vs. SUPPLY VOLTAGE
5
75
, NDRV = COMP = OUT_ = unconnected, V
C
A
NDRV
10
100
100
= +25NC, unless otherwise noted.)
= 13pF
15
125
125
20
V
IN
25
1.240
1.236
1.232
1.228
1.224
1.220
(V)
150
120
90
60
30
T
T
T
0
A
A
30
A
= +125NC
-50
-50
= +25NC
= -40NC
V
EN
35
-25
-25
= 2.5V
V
40
EN LEAKAGE CURRENT
SETI
vs. TEMPERATURE
0
0
TEMPERATURE (NC)
TEMPERATURE (NC)
45
vs. TEMPERATURE
25
25
50
50
75
OVP
75
100
100
= V
CS
125
125
5
=