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MAP3204TERH Datasheet PDF - MagnaChip

Part Number MAP3204TERH
Description 4-channel LED Driver
Manufacturers MagnaChip 
Logo MagnaChip Logo 



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MAP3204TERH datasheet, circuit
Confidential
Preliminary Datasheet Version 0.0
MAP3204
4-channel LED Driver for High Brightness LEDs
General Description
The MAP3204 is a 4-channel LED driver optimized
for LED backlight application targeting mid and large
size LCD module. It uses the boost MOSFET
externally and 4-channel current sources internally for
driving high brightness white LEDs
Input voltage of the MAP3204 is ranged from 7V ~
36V and max. LED current is 150mA per channel. It
can increase the output voltage depending on the
drain voltage rating of boost MOSFET.
It features PWM dimming control, internal soft-start
and 1.5% current matching between channels and
has protections like output over-voltage and LED
short/open and UVLO.
The MAP3204 is available in 16 leads E-TSSOP and
20 leads SOIC package with Halogen-free (fully RoHS
compliant).
Features
7V to 36V Input Voltage Range
Drive up to 4 Channels
150mA Output Current per Channel
1.5% Current Matching
Programmable Boost Switching Frequency :
100kHz to 500kHz
PWM Dimming : up to 22kHz
Current Mode Control
Boost Over Current Protection
Output Over Voltage Protection
LED Short/Open Protection
UVLO
16 leads E-TSSOP and 20 leads SOIC
Applications
High Brightness white LED backlighting for mid
and large size LCD module
General LED lighting applications
Ordering Information
Part Number
MAP3204SIRH
MAP3204TERH
Top
Marking
MAP3204
MAP3204
Ambient
Temperature Range
-40to +85
-40to +85
Typical Application
Package
20 leads SOIC
16 leads TSSOP with E-Pad
RoHS Status
Halogen Free
Halogen Free
Jan. 28th 2011

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MAP3204TERH equivalent
Confidential
Preliminary Datasheet Version 0.0
Electrical Characteristics
Unless noted, VIN = 12V, CIN = 1.0µF, and typical values are tested at TA = 25°C. Boldface values indicate -40°C to +85°C of TA.
3
Parameter
Test Condition
Min Typ Max
General Input Output Specifications
VCC
IQ
IGND
VEN
Oscillator
fSW
Dmax
Reference
Input Voltage Range
Quiescent Current
Ground Pin Current in
Shutdown
Logic Input Level on
EN pin
Internal Oscillator
Frequency
Maximum Duty Cycle
7.0 36
Driving FBs at minimum setting with no load
TBD
TBD
VIN = 12V, VEN = 0V
No Load Current on FB-
VEN_L : Logic Low
TA = 25°C
-40°C < TA < 85°C
TBD
TBD
0.8
VEN_H : Logic High
2.0
RFSW=250kΩ
RFSW=100kΩ
180 200 220
450 500 550
85 90
VVDD
Gate Driver
10V LDO Voltage
VIN > 12V, No load current
10
VGATE
Protection
Gate Drive Voltage
VIN > 14V
8 10 12
TSD
Thermal Shutdown
Temperature
VOVP
Over-Voltage Threshold
Level on OVP pin
VSCP
LED Short
Threshold
Protection
VCS
Boost Over Current
Protection Threshold
VOPEN
LED Open Protection
Threshold
LED Current Sink Regulator
VFB1~4
Minimum FB1~FB4 voltage
for the operation to sink
150mA
IFB Current Accuracy
Km
Current Matching
(Imax-Imin)/ (Imax+Imin)*100
IFB_max
Current Sink max Current
Shutdown Temperature
Hysteresis, ΔTSD
Rising Over-Voltage Limit on OVP pin
Hysteresis, ΔVOVP
FB1 ~ FB4
VFB1-4=0.8V
ISET=150mA
1.21
150
25
1.25
0.1
5.5
0.5
0.2
1.29
0.8
±3
1.5
150
RFBPULLDOWN
Pull-Down Resistance on
FB1~4
100
PWM Interface
fPWM
VPWMI
PWM dimming frequency
Logic Input Level on
PWMI pin
VPWMI_L : Logic Low
VPWMI_H : Logic High
22
0.8
2.2
IPWM
Leakage Current on PWMI
pin
VPWM=1V
2
tPWMON_MIN
Minimum On-Duty
Boost MOSFET Driver
ISINK Gate Source Current
ISource
TRISE
Gate Sink Current
Gate Output Rising Time
TFALL
Gate Output Falling Time
fPWM=1kHz
10
TBD
TBD
TBD
TBD
.
Unit
V
mA
µA
V
kHz
%
V
V
°C
V
V
V
V
V
%
%
mA
kΩ
kHz
V
µA
us
A
A
ns
ns
Jan. 28th 2011

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Information Total 11 Pages
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