MAX16826 Datasheet, PDF (7/26 Pages) Maxim Integrated Products – Programmable, Four-String HB LED Driver with Output-Voltage Optimization and Fault Detection

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
6
5.0
0
VCC VOLTAGE
vs. SUPPLY VOLTAGE
10
20
30
40
50
LOAD CURRENT (mA)
27.0
5.0
0
20
40
60
80
100
TEMPERATURE (°C)
SHUNT VOLTAGE
vs. SHUNT CURRENT
5
26.5
4
26.0
3
25.5
2
25.0
1
24.5
0
0 4 8 12 16 20 24
SUPPLY VOLTAGE (V)
24.0
0
50 100 150 200 250
SHUNT CURRENT (mA)
SHUNT VOLTAGE
vs. TEMPERATURE
28
SHUNT REGULATOR LOAD DUMP RESPONSE
MAX16826 toc15
27
VSUPPLY
20V/div
26
0V
25
24
23
22
-40 -15 10 35 60 85 110
TEMPERATURE (°C)
VSHUNT
200ms/div
10V/div
0V
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