MAX16831 Maxim Integrated Products, MAX16831 Datasheet - Page 3

• Manufacturer Part Number: MAX16831
• Description: High-Power LED Driver
• Manufacturer: Maxim Integrated Products

ELECTRICAL CHARACTERISTICS (continued)
(V
Typical specifications are at T
CLMP Regulator Output Voltage
CURRENT-SENSE AMPLIFIER (CSA)
Differential Input Voltage Range
Common-Mode Range
CS+ Input Bias Current
CS- Input Bias Current
Unity-Gain Bandwidth
REF OUTPUT BUFFER
REF Output Voltage
DIM DRIVER
Source Current
Sink Current
GATE DRIVER
DRI UVLO Threshold
DRI UVLO Threshold Hysteresis
Driver Output Impedance
Peak Sink Current
Peak Source Current
PWM, ILIM, AND HICCUP COMPARATOR
PWM Comparator Offset Voltage
Peak Current-Limit Comparator
Trip Threshold
Peak Current-Limit Comparator
Propagation Delay (Excluding
Blanking Time)
HICCUP Comparator Trip
Threshold
SNS+ Input Bias Current
SNS- Input Bias Current
Blanking Time
CC
= V
UVEN
PARAMETER
= 14V, C
High-Voltage, High-Power LED Driver with
_______________________________________________________________________________________
REG1
= 1µF, C
A
= +25°C.)
V
V
SYMBOL
UVLO_HYST
Z
Analog and PWM Dimming Control
REG2
Z
UVLO_TH
V
V
t
V
OUT_H
V
I
OUT_L
BLNK
CLMP
CS+
I
CS+
I
I
CS-
REF
CS-
SK
SR
= 1µF, C
-
8.7V ≤ (V
5.0V ≤ (V
V
V
From (CS+ - CS-) to CS
-100µA ≤ I
V
V
V
V
DRI rising
V
V
V
V
V
50mV overdrive
V
V
CS+
CS+
CLMP
CLMP
CLMP
CLMP
DRI
DRI
DRI
DRI
COMP
SNS+
SNS+
CLMP
= 7.0V, DRV sinking 250mA
= 7.0V, DRV sourcing 250mA
= 7.0V
= 7.0V
- V
- V
= 0V, V
= 0V, V
- V
- V
- V
- V
- (V
CS-
CS-
HI
HI
= 0.1µF, R
LO
LO
LO
LO
REF
SNS+
- V
- V
= 0.3V
= 0.3V
= 4V
= 8V
= 4V
= 8V
LO
LO
≤ +100µA
SNS-
SNS-
CONDITIONS
) ≤ 36V, I
) ≤ 8.7V, I
- V
= 0V
= 0V
SNS-)
T
= 25kΩ, T
CLMP
CLMP
= 1mA
A
= 250µA
= T
J
= -40°C to +125°C, unless otherwise noted.
-250
2.85
-100
-100
MIN
160
235
5.5
4.0
30
10
40
0
0
5
(V
HI
TYP
3.00
- 0.7
200
300
8.0
1.0
4.2
0.3
2.8
5.0
2.5
1.4
0.7
-65
-65
20
67
22
76
40
40
- V
LO
)
+250
MAX
10.0
V
3.15
400
240
385
0.3
4.4
CC
4
8
UNITS
MHz
mA
mA
mV
mV
µA
µA
µA
µA
ns
ns
Ω
V
V
V
V
V
V
A
A
V
3