MAX16834AUP+T Maxim Integrated Products, MAX16834AUP+T Datasheet - Page 3

IC LED DRVR HIGH BRIGHT 20-TSSOP

MAX16834AUP+T

Manufacturer Part Number
MAX16834AUP+T
Description
IC LED DRVR HIGH BRIGHT 20-TSSOP
Manufacturer
Maxim Integrated Products
Type
HBLED Driverr
Datasheet

Specifications of MAX16834AUP+T

Topology
PWM, SEPIC, Step-Down (Buck), Step-Up (Boost)
Number Of Outputs
1
Internal Driver
No
Type - Primary
Automotive, Backlight
Type - Secondary
High Brightness LED (HBLED), RGB
Frequency
100kHz ~ 1MHz
Voltage - Supply
4.75 V ~ 28 V
Mounting Type
Surface Mount
Package / Case
20-TSSOP Exposed Pad, 20-eTSSOP, 20-HTSSOP
Operating Temperature
-40°C ~ 125°C
Internal Switch(s)
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Current - Output / Channel
-
Efficiency
-
Lead Free Status / Rohs Status
 Details
ELECTRICAL CHARACTERISTICS (continued)
(V
R
High-Power LED Driver with Integrated High-Side LED
Input Leakage Current
OSCILLATOR
Oscillator Frequency
Oscillator Frequency Range
External Sync Input Clock High
Threshold
External Sync Input Clock Low
Threshold
External Sync Input High Pulse
Width
Maximum External Sync Period
SLOPE COMPENSATION (SC)
SC Pullup Current
SC Discharge Resistance
REFI
REFI Input Bias Current
REFI Input Common-Mode Range
SENSE+
SENSE+ Input Bias Current
HIGH-SIDE LED CURRENT-SENSE AMPLIFIER (V
Input Offset Voltage
Voltage Gain
3dB Bandwidth
LOW-SIDE LED CURRENT-SENSE AMPLIFIER
Input Offset Voltage
Voltage Gain
3dB Bandwidth
CURRENT ERROR AMPLIFIER (TRANSCONDUCTANCE AMPLIFIER)
Transconductance
Open-Loop DC Gain
Input Offset Voltage
COMP Voltage Range
PWM COMPARATOR
Input Offset Voltage
Propagation Delay
RT
IN
Current Sense and PWM Dimming MOSFET Driver
= 10kΩ, T
= V
HV
PARAMETER
= 12V, V
A
= T
J
_______________________________________________________________________________________
= -40°C to +125°C, unless otherwise noted. Typical values are at T
UVEN
= 5V, V
LV
SYMBOL
V
= V
I
R
f
SCPU
COMP
OSC
g
t
A
A
A
SCD
PD
m
V
V
V
PWMDIM
V
R
R
(Note 4)
(Note 4)
(Note 4)
(Note 4)
V
V
V
(Note 4)
(V
V
V
(V
(V
V
V
V
(Note 4)
50mV overdrive
PWMDIM
SC
SC
REFI
LV
LV
LV
LV
COMP
RT/SYNC
RT/SYNC
SENSE+
= V
SENSE+
SENSE+
SENSE+
> 5V, (V
> 5V, (V
< 1V, (V
< 1V, (V
= 100mV
= 100mV
SGND
= 1V
= 2V, V
= 0
- V
= 5kΩ
= 25kΩ
- V
- V
- V
, C
SENSE+
SENSE+
SENSE+
SENSE+
LV
LV
LV
LV
CONDITIONS
VCC
) = 100mV
) = 0.1V, no load
) = 0.02V, no load
PWMDIM
)
= 4.7μF, C
- V
- V
- V
- V
LV
LV
LV
LV
= 5V
) = 5mV
) = 0.2V
) = 0V
) = 0.2V
LCV
= 100nF, C
A
= +25°C.)
MIN
-2.4
180
100
200
400
-10
0.9
9.7
9.7
0.4
0.6
80
-2
2
0
REF
= 100nF, R
TYP
0.65
200
100
600
600
500
9.9
1.8
9.9
50
60
40
1
1
8
1
0
0
0
MAX
1000
SENSE+
+2.4
10.1
10.1
0.70
+10
220
120
250
600
1.1
0.4
2.5
+2
2
= 0.1Ω,
UNITS
MHz
MHz
kHz
kHz
kHz
kHz
mV
V/V
mV
V/V
mV
μA
μA
μA
μA
μS
dB
ns
μs
ns
Ω
V
V
V
V
V
3

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