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DD212 Datasheet(PDF) 4 Page - Silicon Touch Technology Inc.

Part # DD212
Description  HIGH POWER CHARGE PUMP FOR WHITE LEDS WITH LOW SUPPLY VOLTAGE
PDF  7 Pages
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Manufacturer  SITI [Silicon Touch Technology Inc.]
Direct Link  http://www.siti.com.tw
Logo SITI - Silicon Touch Technology Inc.

DD212 Datasheet(HTML) 4 Page - Silicon Touch Technology Inc.

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點晶科技股份有限公司
點晶科技股份有限公司
點晶科技股份有限公司
點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
DD212
040712 DD212_pre
-3-
Version
：
：
：
：Preliminary
Absolute Maximum Ratings (Unless otherwise noted, TA = 25
°°°°C )
Characteristic
Symbol
Rating
Unit
Supply Voltage
VDD - VSS
-0.3 ~5.5
V
Output Sourcing Current
IDD
700
mA
Power Dissipation
Pd
4.5
mW
Operating Temperature Range
TOPR
-40 ~ 85
°°°°C
Storage Temperature Range
TSTG
-55 ~ 150
°°°°C
Junction Temperature
TJ
160
°°°°C
Recommended Operating Conditions
ITEM
SYMBOL
MIN.
TYP.
MAX.
UNIT
Supply Voltage
VDD - VSS
1.5
2.5
5.5
V
External Capacitance
Cext
-
1
-
uF
Electrical Characteristics (Cext=1uF, TA= 25
°C, V
DD= 2.5V )
Characteristic
Symbols
Condition
Min.
Typ.
Max.
Unit
Operating Current
IDD
No external LED,
Cext=0.1uF
-
-
0.75
mA
Output Current for
‘ON’ Cycle
IFON
VF of external LED=3.2V
480
500
520
mA
Time-Average
Output Current
IFAVG
VF of external LED=3.2V
240
250
260
mA
Output Voltage for
‘ON’ Cycle
VLEDAON
No external LED
-
5.0
(x2VDD)
-
V
Output Voltage for
‘OFF’ Cycle
VLEDAOFF
No external LED
-
2.5
(x1VDD)
-
V
Frequency of the
Internal Oscillator
Freq
-
350
-
kHz
Duty Cycle of the
Internal Oscillator
Dt
-
50
-
%
Output Resistance
Ro
4
5
Ω
Ω
Ω
Ω



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