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| TCA62735AFLG Datasheet, PDF (5/18 Pages) Marktech Corporate – Charge Pump type DC/DC Converter for White LED Driver | |||
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TCA62735AFLG
Absolute Maximum Ratings (Ta = 25°C if without notice)
Characteristics
Symbol
Ratings
Unit
Power Supply Voltage
Input Voltage
Output Current
Operating Temperature
Storage Temperature
Junction Temperature
*1 : please do not exceed 6V.
VIN
VIN(LOGIC)
IOUT
Topr
Tstg
Tj
â0.3~+6.0
â0.3~VIN+0.3(*1)
200
â40~+85
â55~+150
150
Recommended Operating Condition (Ta=-40°C to 85°C if without notice)
Characteristics
Symbol
Test Condition
Min Typ
V
mA
mA/ch
°C
°C
°C
Max Unit
Power Supply
Logic Input Voltage
Capacitance for Charge Pump
Capacitance for output
Capacitance for input
RSET resistance
VIN
VIN(LOGIC)
C1,C2
COUT
CIN
RSET
-
EN,CTL0,CTL1,CTL2
-
-
-
-
2.8
-
4.2 V
0
-
VIN
V
0.8 1.0 2.2 µF
0.8 1.0 4.7 µF
0.8 2.2 10.0 µF
8.2 12 47 kâ¦
Electrical Characteristics
DC-DC Regulator part (VIN=3.6V, Ta=25°C, if it is not specified.)
C h a r a c t e r i s t i c s Symbol
Test
Circuits
Test Condition
Min Typ Max Unit
2 time up converting
120 -
-
O u t p u t C u r r e n t A b i l i t y IOUT(MAX)
1
1.5 time up converting
120 -
- mA
1 time up converting
120 -
-
C o n s u m p t i o n C u r r e n t IIN(ON)
2
EN=âHâ, RSET=47kâ¦
-
1
2 mA
Stand By Consumption Current IIN(OFF)
2
EN=âLâ
-
0
1 µA
High
Logic Input
VIH
Voltage
Low
VIL
3
EN, CTL0,CTL1,CTL2
VIN=2.8V~4.2V
0.7VIN -
-
V
3
EN,CTL0,CTL1,CTL2
VIN=2.8V~4.2V
-
- 0.3VIN
Logic Input Current
Ileak
3
EN,CTL0,CTL1,CTL2
-
- 0.1 µA
Clock Frequency
fOSC
4
-
- 1000 - kHz
TOTAL
RON
RON
1
1.5 time up converting
-
5
10 â¦
1X mode to 1.5X mode
t r a n s i t i o n v o l t a g e VTRANS1X
4
LED Vf=3.6V, RSET=12kâ¦
VIN falling
- 4.0 -
V
Constant Current Driver part (VIN=3.6V, Ta=25°C, if it is not specified.)
Characteristics
Symbol
Test
Circuits
Test Condition
Min Typ Max Unit
RSET=47kâ¦
-
5.1
-
Constant Current Drive Setting ILED1~4
5
RSET=12kâ¦
- 19.6 - mA
RSET=8.2kâ¦
-
28
-
ISET Terminal Output Voltage
VSET
5
RSET=8.2kâ¦
- 0.61 -
V
Constant Current Between Chs |ILED-LED-ERR|
5
-
ʵ 2.5 ʵ %
A c c u r a c y Between ICs |ILED-ERR|
5
-
ʵ
5
ʵ%
Constant Sink Current
Supply Voltage Regulation
|âILED|
5
VIN=3.6V center,VIN=2.8~4.2V
IOUT=80mA
ʵ
1
ʵ%
O u t p u t l e a k a g e c u r r e n t ILEAK1~4
5
EN="L"
ʵʵ
1 µA
5/18 2007-06-21
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