MAX16826_15 Datasheet, PDF (7/26 Pages) Maxim Integrated Products – Programmable, Four-String HB LED Driver with Output-Voltage Optimization and Fault Detection

MAX16826
Programmable, Four-String HB
LED Driver with Output-Voltage
Optimization and Fault Detection
Typical Operating Characteristics (continued)
(V_IN = 12V, R19 = 2kΩ, C33 = 2200pF, R17 = 1.27kΩ, C_{DL_} = 0.01μF. T_A = +25°C, unless otherwise noted.)
ENABLE AND DISABLE RESPONSE
MAX16826 toc09
VCC VOLTAGE
vs. LOAD CURRENT
5.5
VCC VOLTAGE
vs. TEMPERATURE
5.5
5.4
5.4
VSYNC/EN
5V/div
0V
5.3
5.3
ILED
100mA/div
5.2
5.2
0mA
5.1
5.1
40ms/div
5.0
0
VCC VOLTAGE
vs. SUPPLY VOLTAGE
6
5
4
3
2
1
0
0 4 8 12 16 20 24
SUPPLY VOLTAGE (V)
SHUNT VOLTAGE
vs. TEMPERATURE
28
27
26
25
24
23
22
-40 -15 10 35 60 85 110
TEMPERATURE (°C)
10
20
30
40
50
LOAD CURRENT (mA)
27.0
26.5
26.0
25.5
25.0
24.5
24.0
0
5.0
0
20
40
60
80
100
TEMPERATURE (°C)
SHUNT VOLTAGE
vs. SHUNT CURRENT
50 100 150 200 250
SHUNT CURRENT (mA)
SHUNT REGULATOR LOAD DUMP RESPONSE
MAX16826 toc15
VSUPPLY
20V/div
0V
VSHUNT
200ms/div
10V/div
0V
www.maximintegrated.com
Maxim Integrated | 7