MAX16834A/W+ Maxim Integrated, MAX16834A/W+ Datasheet - Page 4

• Manufacturer Part Number: MAX16834A/W+
• Description: LED Lighting Drivers MAX16834ATP+ in wafer form
• Manufacturer: Maxim Integrated

Specifications of MAX16834A/W+

• Input Voltage: 4.75 V to 28 V
• Maximum Supply Current: 10 mA
• Power Dissipation: 2051 mW

High-Power LED Driver with Integrated High-Side LED
Current Sense and PWM Dimming MOSFET Driver
ELECTRICAL CHARACTERISTICS (continued)
(V
R
Note 2: Dropout voltage is defined as V
Note 3: Dropout is defined as V
Note 4: Not production tested. Guaranteed by design.
MAX16834
4
Minimum On-Time
Duty Cycle
CURRENT PEAK LIMIT COMPARATOR
Trip Threshold Voltage
Propagation Delay
OVP+ On Threshold Voltage
OVP+ Hysteresis
OVP+ Input Leakage Current
HIGH-SIDE LED SHORT COMPARATOR
Off Threshold
On Threshold
Error Reject Blankout
LOW-SIDE LED SHORT COMPARATOR
Off Threshold
Error Reject Blankout
HICCUP TIMER
Hiccup Time
GATE-DRIVER OUTPUT (NDRV)
NDRV Peak Pullup Current
NDRV Peak Pulldown Current
p-Channel MOSFET R
n-Channel MOSFET R
DIMOUT
DIMOUT Peak Pullup Current
DIMOUT Peak Pulldown Current
p-Channel MOSFET R
n-Channel MOSFET R
PWMDIM to DIMOUT
Propagation Delay
FAULT FLAG (FLT)
FLT Pulldown Current
FLT Leakage Current
Thermal Warning On Threshold
Thermal Warning Threshold
Hysteresis
RT
OVERVOLTAGE PROTECTION INPUT (OVP+)
IN
= 10kΩ, T
= V
HV
PARAMETER
= 12V, V
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
UVEN
DSON
DSON
DSON
DSON
= 5V, V
HV
- V
LV
CLV
SYMBOL
V
t
ON(MIN)
OVP_ON
= V
IN
, when V
- V
PWMDIM
CC
, when V
CLV
On-time includes blanking time
(Note 4)
50mV overdrive with respect to NDRV
(V
V
V
f
f
V
V
(V
V
(V
(V
(V
(V
V
V
OSC
OSC
CLV
CLV
CC
CC
NDRV
FLT
FLT
= V
OVP
CC
CLV
CLV
CLV
DIMOUT
is 100mV below the value of V
= 7V
= 7V
= 0.2V
= 1.0V
= 500kHz
= 500kHz
- V
- V
- V
CC
SGND
- V
- V
- V
- V
= 0.1V
NDRV
LV
LV
LV
LV
DIMOUT
LV
is 100mV below the value of V
- V
) = 5V
) = 5V
) = 1.235V
, C
LV
) = 0.1V
CONDITIONS
VCC
) = 0.1V
) = 0.1V
= 4.7µF, C
LCV
CLV
= 100nF, C
A
for V
= +25°C.)
CC
HV
for V
= 8V.
1.375
MIN
0.25
0.27
4.0
4.1
IN
90
25
25
-1
2
REF
= 9.5V.
= 100nF, R
1.435
+140
TYP
0.30
100
200
256
200
0.3
4.3
4.4
8.2
1.2
0.9
40
50
50
31
25
20
5
3
3
5
1
1.495
MAX
99.5
0.35
0.33
SENSE+
4.6
4.7
1.9
1.7
+1
10
Maxim Integrated
UNITS
= 0.1Ω,
mV
mA
mA
mA
ms
µA
µA
°C
°C
ns
ns
µs
µs
ns
%
Ω
Ω
Ω
Ω
V
V
V
V
V
A
A