RT9264CS Просмотр технического описания (PDF) - Unspecified
Номер в каталоге
Компоненты Описание
Список матч
RT9264CS Datasheet PDF : 8 Pages
| |||
RT9264
Preliminary
Absolute Maximum Ratings
z Supply Voltage
z LX Pin Switch Voltage
z LDO Output Voltage
z Other I/O Pin Voltages
z LX Pin Switch Current
z EXT Pin Driver Current
z Power Dissipation, PD @ TA = 25°C
SOP-8
• Package Thermal Resistance
SOP-8, θJA
z Operating Junction Temperature
z Storage Temperature Range
-0.3V to 6V
-0.3V to (VDD + 0.8V)
-0.3V to (VDD + 0.3V)
-0.3V to (VDD + 0.3V)
2.5A
30mA
0.625W
160°C/W
150°C
-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
Operating VDD Range
No Load Current I (VIN)
Switch-off Current I (VDD)
Shutdown Current I (VIN)
Feedback Reference Voltage
Feedback Reference Voltage for LDO
Switching Rate
Maximum Duty
LX ON Resistance
VDD
INO LOAD VIN = 3.3V, VOUT = 5V
ISWITCH OFF VIN = 6V
IOFF
CE Pin = 0V, VIN = 4.5V
VREF
Close Loop, VDD = 3.3V
VREF
Close Loop, VDD = 3.3V
FS
VDD = 5V
DMAX
VDD = 5V
VDD = 5V
1
--
--
--
1.225
0.843
1.4
--
--
Current Limit Setting
ILIMIT
VDD = 5V
--
EXT ON Resistance to VDD
VDD = 5V
--
EXT ON Resistance to GND
VDD = 5V
--
Line Regulation
Load Regulation
LDO PMOS ON Resistance
∆VLINE
VIN = 3 ~ 4V, IL = 1mA
--
∆VLOAD
VIN = 3.3V, IL = 1 ~ 50mA
--
VDD = 5V
--
LDO Drop Out Voltage
CE Pin Trip Level
VDROP
VDD = 5V, IL = 100mA
--
VDD = 5V
0.2
Temperature Stability for FB, LFB, LBI TS
Guaranteed by Design
--
Thermal Shutdown
TSD
Guaranteed by Design
--
Thermal Shutdown Hysterises
∆TSD
Guaranteed by Design
--
Typ
--
3
1
0.1
1.25
0.86
--
80
0.25
2
30
20
20
0.5
1
70
0.8
50
165
10
Max Units
6
V
--
mA
--
mA
1
µA
1.275 V
0.877 V
2.8 MHz
--
%
--
Ω
--
A
--
Ω
--
Ω
-- mV/V
-- mV/mA
1.5
Ω
--
mV
1.4
V
-- ppm/°C
--
°C
--
°C
www.richtek-ic.com.tw
4
DS9264-00 December 2001
Share Link: 