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RT9264CS Datenblatt(PDF) 4 Page - List of Unclassifed Manufacturers

Teilenummer RT9264CS
Bauteilbeschribung  HIGH FREQUENCY HIGH EFFICIENCY STEP UP DC/DC CONVERTER
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RT9264CS Datenblatt(HTML) 4 Page - List of Unclassifed Manufacturers

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RT9264
Preliminary
www.richtek-ic.com.tw
DS9264-00 December 2001
4
Absolute Maximum Ratings
Supply Voltage
-0.3V to 6V
LX Pin Switch Voltage
-0.3V to (VDD + 0.8V)
LDO Output Voltage
-0.3V to (VDD + 0.3V)
Other I/O Pin Voltages
-0.3V to (VDD + 0.3V)
LX Pin Switch Current
2.5A
EXT Pin Driver Current
30mA
Power Dissipation, PD @ TA = 25
°C
SOP-8
0.625W
• Package Thermal Resistance
SOP-8,
θJA
160
°C/W
Operating Junction Temperature
150
°C
Storage Temperature Range
-65
°C ~ +150°C
Electrical Characteristics
(VIN = 3.3V, VDD set to 5V, Load Current = 0, TA = 25
°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Operating VDD Range
VDD
1--
6
V
No Load Current I (VIN)
INO LOAD
VIN = 3.3V, VOUT = 5V
--
3
--
mA
Switch-off Current I (VDD)
ISWITCH OFF VIN = 6V
--
1
--
mA
Shutdown Current I (VIN)
IOFF
CE Pin = 0V, VIN = 4.5V
--
0.1
1
µA
Feedback Reference Voltage
VREF
Close Loop, VDD = 3.3V
1.225
1.25
1.275
V
Feedback Reference Voltage for LDO
VREF
Close Loop, VDD = 3.3V
0.843
0.86
0.877
V
Switching Rate
FS
VDD = 5V
1.4
--
2.8
MHz
Maximum Duty
DMAX
VDD = 5V
--
80
--
%
LX ON Resistance
VDD = 5V
--
0.25
--
Ω
Current Limit Setting
ILIMIT
VDD = 5V
--
2
--
A
EXT ON Resistance to VDD
VDD = 5V
--
30
--
Ω
EXT ON Resistance to GND
VDD = 5V
--
20
--
Ω
Line Regulation
∆VLINE
VIN = 3 ~ 4V, IL = 1mA
--
20
--
mV/V
Load Regulation
∆VLOAD
VIN = 3.3V, IL = 1 ~ 50mA
--
0.5
--
mV/mA
LDO PMOS ON Resistance
VDD = 5V
--
1
1.5
Ω
LDO Drop Out Voltage
VDROP
VDD = 5V, IL = 100mA
--
70
--
mV
CE Pin Trip Level
VDD = 5V
0.2
0.8
1.4
V
Temperature Stability for FB, LFB, LBI
TS
Guaranteed by Design
--
50
--
ppm/°C
Thermal Shutdown
TSD
Guaranteed by Design
--
165
--
°C
Thermal Shutdown Hysterises
∆TSD
Guaranteed by Design
--
10
--
°C



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