MAX16810 Maxim Integrated Products, MAX16810 Datasheet - Page 8

• Manufacturer Part Number: MAX16810
• Description: (MAX16809 / MAX16810) Integrated 16-Channel LED Drivers
• Manufacturer: Maxim Integrated Products

Integrated 16-Channel LED Drivers with
Switch-Mode Boost and SEPIC Controller
8
(V
Typical values are at T
CC
0.40
0.38
0.36
0.34
0.32
0.30
0.28
0.26
0.24
0.22
0.20
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
10
_______________________________________________________________________________________
9
8
7
6
5
4
3
2
1
0
= +15V, V+ = 3V to 5.5V, R
-40
-40
-40
OUT IMPEDANCE vs. TEMPERATURE
CURRENT-SENSE TRIP THRESHOLD
I
SINK
-25
-25
-25
COMP VOLTAGE LEVEL TO TURN
OFF DEVICE vs. TEMPERATURE
= 200mA
-10 5 20
-10 5 20
-10 5 20
(R
vs. TEMPERATURE
DS_ON
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
NMOS DRIVER)
35 50
35 50
35 50
A
= +25°C, unless otherwise noted.)
65
65
65
80
80
80
V
CC
T
95
95
95
= 15V
= 10kΩ, C
110
110
110
125
125
125
T
1000
= 3.3nF, V
100
100
0.1
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
10
90
80
70
60
50
40
30
20
10
Typical Operating Characteristics (continued)
1
PROPAGATION DELAY FROM CURRENT-LIMIT
0
10k
COMPARATOR TO OUT vs. TEMPERATURE
-40
20
C
C
T
T
C
-25
120
C
= 10nF
C
= 4.7nF
T
T
T
= 100pF
vs. OSCILLATOR FREQUENCY
= 3.3nF
vs. OSCILLATOR FREQUENCY
= 2.2nF
-10 5 20
220 320 420
REF
TIMING RESISTANCE
T
A
SUPPLY CURRENT
100k
= +125°C
= COMP = open, C
TEMPERATURE (°C)
FREQUENCY (kHz)
FREQUENCY (Hz)
35 50
520 620 720
C
C
T
T
= 1nF
= 560pF
65
1M
C
T
T
A
80
= 220pF
= -40°C
C
820
T
95
= 100pF
920
110
REF
1020
10M
125
= 0.1µF, V
(INTERFACE IDLE, ALL OUTPUTS OFF, R
2.00
1.95
1.90
1.85
1.80
140
120
100
-20
5.0
4.8
4.6
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
SUPPLY CURRENT vs. SUPPLY VOLTAGE
80
60
40
20
0
FB
0.01
-40
3.0
OUT IMPEDANCE vs. TEMPERATURE
ERROR-AMPLIFIER OPEN-LOOP GAIN
I
= 2V, CS = AGND = PGND = 0V.
SOURCE
-25
T
1
A
= +125°C
AND PHASE vs. FREQUENCY
-10 5 20 35 50
3.5
(R
10 100
= 100mA
DS_ON
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
T
FREQUENCY (Hz)
A
GAIN
= -40°C
4.0
PMOS DRIVER)
1k
T
10k
A
4.5
= +85°C
65 80
100k
T
A
= +25°C
PHASE
1M
SET
5.0
MAX16809 toc14
95
10M
= 720Ω)
110
100M
125
5.5
10
-15
-40
-65
-90
-115
-140
-165
-190