MAX17127ETP+ Maxim Integrated Products, MAX17127ETP+ Datasheet - Page 3

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MAX17127ETP+

Manufacturer Part Number
MAX17127ETP+
Description
IC WLED DVR SIX STRING 20TQFN
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX17127ETP+

Topology
PWM, Step-Up (Boost)
Number Of Outputs
6
Internal Driver
Yes
Type - Primary
Automotive, Backlight
Type - Secondary
White LED
Frequency
250kHz ~ 1MHz
Voltage - Supply
5 V ~ 26 V
Mounting Type
Surface Mount
Package / Case
20-WFQFN Exposed Pad
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
30mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Lead Free Status / Rohs Status
 Details
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1. V
T
FPO OUTPUT
FPO Off-Leakage Current
FPO On Output-Voltage
Low
INPUT LEAKAGE
PWM Leakage Current
OVP Leakage Current
LED CURRENT
Full-Scale FB_ Output
Current
R
Current Regulation
Between Strings
Minimum FB_ Regulation
Voltage
FB_ On-Resistance
FB_ Bias Current
FB_ Minimum On-Time
FAULT PROTECTION
OVP Threshold Voltage
FB_ Overvoltage
Threshold
FB_ Enable Threshold
Voltage
FB_ Open Threshold
Voltage
FB_ Check LED Source
Current
FB_ Check LED Time
Thermal-Shutdown
Threshold
Overcurrent Fault Timer
PWM CONTROL
PWM Input On-Time
PWM Input Frequency
Range
A
ISET
= 0°C to +85°C, unless otherwise noted. Typical values are at T
PARAMETER
Range
_______________________________________________________________________________________
IN
Six-String WLED Driver with Integrated
= 12V, C
Fault inactive, T
I
T
T
R
R
R
V
Operating range
Accuracy = 3%
10mA < I
I
I
I
V
V
Rising edge, typical hysteresis = 90mV
(Note 1)
Latch-off timer
SINK
FB
FB
FB
A
A
ISET
FB
FB
ISET
ISET
ISET
_ = 30mA
_ = 20mA
_ = 10mA
= +25NC, V
= +25NC, V
_ = 50mV (includes 10I sense resistor)
_ = 40V, T
COMP
= 1mA, fault active
< 0.7V
= 120kI
= 180kI
= 360kI
FB
= 0.51nF, C
_ < 30mA
A
PWM
OVP
A
= +25NC
= +25NC
= 0V, V
= 0V, V
COUT
CONDITIONS
OVP
PWM
= 4.7µF, R
= 5V
= 5V
A
COMP
= +25°C.)
= 82.5kΩ, R
Step-Up Converter
ISET
= 180kΩ, R
MIN
29.1
19.6
1.23
-0.1
-2.0
100
120
400
400
130
400
9.7
0.2
0.4
0.7
0.1
-1
7
FSLCT
+150
TYP
17.5
1.25
555
460
350
580
128
0.3
0.1
1.2
1.0
30
20
10
8
= 100kΩ, L = 10µH,
MAX
+0.1
+2.0
30.9
20.4
10.3
28.4
1.27
100
400
360
770
670
630
700
280
0.4
0.4
1.3
1.3
+1
25
1
9
UNITS
kHz
mA
mV
mV
mA
ms
nA
FA
FA
kI
FA
ns
NC
Fs
ns
%
I
V
V
V
V
3

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