MAX16838ATP/V+ Maxim Integrated, MAX16838ATP/V+ Datasheet - Page 3

• Manufacturer Part Number: MAX16838ATP/V+
• Description: LED Lighting Drivers Integrated 2-Channel High-Brightness LED Drivers with High-Voltage DC-DC Controller
• Manufacturer: Maxim Integrated

Specifications of MAX16838ATP/V+

• Input Voltage: 4.75 V to 40 V
• Maximum Supply Current: 3.1 mA
• Power Dissipation: 2051 mW

Integrated, 2-Channel, High-Brightness LED Driver
ELECTRICAL CHARACTERISTICS (continued)
(V
= V
values are at T
RT OSCILLATOR
Switching Frequency Range
Duty Cycle
Oscillator Frequency Accuracy
Synchronization Logic-High
Synchronization Logic-Low
Logic-Level Before SYNC
Capacitor
Synchronization Pulse Width
SYNC Frequency Range
PWM COMPARATOR
Leading-Edge Blanking
Propagation Delay to NDRV
SLOPE COMPENSATION
Slope Compensation Peak
Voltage per Cycle
CS LIMIT COMPARATOR
CS Threshold Voltage
CS Limit Comparator Propagation
Delay to NDRV
CS Input Current
ERROR AMPLIFIER
OUT_ Regulation Voltage
Transconductance
No-Load Gain
COMP Sink Current
COMP Source Current
MOSFET DRIVER
NDRV On-Resistance
Peak Sink Current
Peak Source Current
POWER MOSFET
Power Switch On-Resistance
Switch Leakage Current
Switch Gate Charge
IN
CS
= V
= V
EN
with High-Voltage Boost and SEPIC Controller
LEDGND
PARAMETER
= 12V, R
A
= 25NC.) (Note 2)
= V
_______________________________________________________________________________________
RT
DIM
= 12.2kI, R
= V
PGND
ISET
SYMBOL
= V
V
I
SOURCE
CS_MAX
f
D
I
SYNC
SINK
= 15kI, C
f
Gm
I
MAX
SW
SGND
CS
A
= 0V, V
f
f
f
V
V
Including leading-edge blanking time
Voltage ramp added to CS
V
10mV overdrive (including leading-edge
blanking time)
0 P V
V
(Note 4)
V
V
I
I
V
V
I
V
V
SW
SW
SW
SINK
SOURCE
SWITCH
VCC
RT
RT
COMP
DIM
DIM
DIM
NDRV
NDRV
DRAIN
DRAIN
= 200kHz
= 2000kHz
= 200kHz to 2MHz
rising
falling
CS
= 5V
= V
= 5V, V
GATE
= 100mA, V
= 1FF, V
= 5V
= 0V
= 3V
= 40V, V
= 40V, V
P 0.35V
= 0.5A, V
OUT_
= 100mA, V
= V
OUT_
CC
= 5V, V
CONDITIONS
NDRV
GATE
GS
IN
= V
GS
= V
= 4.5V
> 5.5V
, T
IN
= 5V
DRV
COMP
COMP
= 0V
A
> 5.5V
= T
= V
= 3V
= 0V
J
CFB
= -40NC to +125NC, unless otherwise noted. Typical
, DRAIN, COMP, OUT_, FLT = unconnected, V
1.1 x
MIN
200
-7.5
285
-1.3
340
f
1.8
3.1
0.9
87
83
50
SW
0.003
TYP
0.12
0.15
100
300
100
600
400
400
2.5
1.5
1.5
0.8
0.8
3.1
90
85
66
50
1
MAX
2000
1.5 x
+7.5
+0.5
0.35
315
880
800
800
f
3.6
3.8
1.1
1.2
95
91
SW
4
4
UNITS
kHz
mV
FA
dB
FA
FA
FA
nC
Hz
FS
ns
ns
ns
ns
%
%
%
I
I
A
A
I
V
V
V
V
V
OV
3