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PDF EM7101 Data sheet ( Hoja de datos )
| Número de pieza | EM7101 | |
| Descripción | Integrated LED current balance control circuit | |
| Fabricantes | Excelliance MOS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de EM7101 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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FEATURES
PIN DIAGRAM: 24 QFN
Integrated LED current balance control circuit
Wide input voltage range
Drives up to 8 strings in parallel
External PWM dimming control
Time-shift PWM phase dimming control
Multi-chip parallel operation for more than 8 LED
strings
MOSFET over-current protection
LED short circuit protection
LED open string protection
Over-temperature protection
Status output
Low standby current
ORDERING INFORMATION
Part Number
EM7101WB
EM7101TE
EM7101G
Temp Range
-20°C to +85°C
Note(2), Page 3
-20°C to +85°C
Note(2), Page 3
-20°C to +85°C
Note(2), Page 3
Package
24 pin QFN
Lead-Free
24-pin
E-TSSOP
Lead-Free
24-pin SOP
Lead-Free
GENERAL DESCRIPTION
EM7101 is a high efficiency DC-DC controller that
drives up to eight strings.
EM7101 provides eight (8) LED current sense inputs
and allows the backlight to remain functioning in the
event that a string(s) is damaged during normal
operation
The IC is able to balance the current flow for each LED
string. It also consumes a low standby current for the
backlight system.
2010/9/20
EM7101
p.1
1 page  
ELECTRICAL CHARACTERISTICS
All specifications below are at T=25°C, VIN=24V; RRT=100kΩ unless otherwise noted
PARAMETER
Limits
CONDITIONS MIN TYP MAX UNITS
Status Output
Sink Resistance
STATUS
100 Ohm
MOSFET Over-Current Protection
NMOS Over-Current Protection
CS
0.52 V
PARAMETERS GUARANTEED BY DESIGN
PARAMETER
VREF
Load Regulation
Line Regulation
Thermal Protection
Lockout Temperature
Resume Temperature
CONDITIONS MIN
-
-
Limits
TYP MAX
5
0.3
145
110
FUNCTIONAL BLOCK DIAGRAM
UNITS
mV / mA
mV / V
°C
°C
EM7101
2010/9/20
ISEN1
ISEN2
~
ISEN8
Figure 1
p.5
5 Page 
Outline Drawing
E-TSSOP-24
24
13
A A2
Exposed Diepad
D1
D
E2 E1 E
12
be
EM7101
C
L
L1
Θ
Dimension
Min.
NOR
Max.
A A1 A2
b
c
D D1 E E1 E2
e
L L1 Ѳ
0.00 0.8 0.19
7.70 3.70
4.30 2.28
0.45 0°
1.00
0.127BSC 7.80
6.4BSC 4.40
0.65BSC 0.60 1.00REF
1.2 0.15 1.05 0.30
7.90 4.62
4.50 2.85
0.75 8°
2010/9/20
p.11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet EM7101.PDF ] | |
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