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PDF TD8213 Data sheet ( Hoja de datos )
| Número de pieza | TD8213 | |
| Descripción | Step Up Regulator | |
| Fabricantes | Techcode | |
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Techcode®
High Efficiency 1.2MHz Step Up Regulator
DATASHEET
TD8213
General Description
Features
The TD8213 is the high power and high efficiency boost
converter with an integrated 30V FET ideal for LCD panel
backlighting applications. 30V output voltage allows for 8
high-power LEDs in series, and 3.5A inductor current limit
allows for more LED strings connected in parallel. The low
0.5V feedback voltage offers higher efficiency in WLED
driver applications. The wide input range from 2.7V to 21V
made TD8213 a perfect solution for various applications
such as LCD monitor and portable devices. The OVP pin
monitors the output voltage to protect IC during open
load and FB pin short circuit operations. The TD8213
provides the ALS pin to simplify the interface to an
ambient light sensor for automatic dimming. The TD8213
is available in the thermally enhanced DFN-10 lead
3mmx3mm package.
Wide Input Voltage Range from 2.7V to 21V
High Current-Limit up to 3.5A
0.5V Reference Voltage with ±3% System Accuracy
50mΩ Integrated N-FET
Fixed 1.2MHz Switching Frequency
High Efficiency up to 95%
Open-LED Protection
Under-Voltage Lockout Protection
ALS Control Input Pin
Over-Temperature Protection
Low Shutdown Current: <1mA
3mmx3mm DFN-10 Package
Lead Free and Green Devices Available
Applications
Display Backlighting
Automotive
LCD Monitors
Notebook Displays
Portable Displays
Pin Assignments
December, 20, 2011
Techcode Semiconductor Limited
1
www.techcodesemi.com
1 page  
Techcode®
High Efficiency 1.2MHz Step Up Regulator
Electrical Characteristics
The following specifications apply for VIN =6V TA=25 oC, unless specified otherwise.
DATASHEET
TD8213
Symbol Parameter
INPUT SUPPLY CURRENT AND UVLO
BP Under Voltage Lockout Threshold
UVLO Hysteresis
IVIN VIN Supply Current
ERROR AMPLIFIER
gm Error Amplifier Transconductance
ICOMP COMP Output Current
VFB FB Voltage
Minimum FB Voltage
IFB FB Input Bias Current
FB Line Regulation
INTERNAL POWER SWITCH
Power Switch Current-Limit
RDS(ON) Power Switch On Resistance
LX Leakage Current
FSW Switching Frequency
DMAX
LX Maximum Duty Cycle
ALS
ALS Ratio
ALS Pin Leakage
OUTPUT OVER-VOLTAGE PROTECTION
Over-Voltage Threshold
OVP Hysteresis
OVP Leakage Current
CONTROL LOGIC PIN
EN High-Level Input Voltage
EN Low-Level Input Voltage
EN Leakage Current
THERMAL SHUTDOWN
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
Test Conditions
VIN rising
EN=5V, switching
EN=0V
TD8213
Min. Typ.
2.4 2.5
- 100
-9
--
sourcing and sinking, VCOMP=1.5V
VALS=0.3V
VIN=2.7V to 21V
-
-
485
188
-
-
350
50
500
200
-
0.02
VLX=30V
2.5 3.5
- 50
--
0.9 1.2
92 95
VALS=1V, VALS/VFB
VALS=5V
2.9 3
--
30 32
23
--
VEN=21V
2.4 -
--
--
- 150
- 50
Max. Unit
2.6 V
- mV
15 mA
1 uA
- uA/V
- uA
515 mV
212 mV
1 uA
0.04 %/V
4.5 A
100 mΩ
1 uA
1.5 MHz
98 %
3.1 V/V
1 uA
34 V
4V
30 uA
-V
0.4 V
1 uA
-℃
-℃
December, 20, 2011
Techcode Semiconductor Limited
5
www.techcodesemi.com
5 Page 
Techcode®
High Efficiency 1.2MHz Step Up Regulator
Typical Application Circuit(Cont.)
DATASHEET
TD8213
Designation
L1
C1
C2
C3
C5
D1
Supplier
GOTREND
Murata
Murata
Murata
Murata
Zowie
Part Number
GTSD53
GRM31CR61E106K
GRM155R61A105K
GRM155R60J224KE01
GRM21BR71H105KA12
MSCD104
Specification
10uH, 1.33A
X5R, 25V, 10uF
X5R, 10V, 1u F
X5R, 6.3V. 0.22uF
X7R, 50V, 1u F
1.0A, 40V
Wedsite
www.gotrend.com.tw
www.murata.com
www.murata.com
www.murata.com
www.murata.com
www.zowie.com.tw
December, 20, 2011
Techcode Semiconductor Limited
11
www.techcodesemi.com
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet TD8213.PDF ] | |
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