RT9269CE 데이터 시트보기 (PDF) - Richtek Technology
부품명
상세내역
제조사
RT9269CE Datasheet PDF : 10 Pages
| |||
RT9269
Preliminary
Absolute Maximum Ratings
Supply Voltage
LX Pin Switch Voltage
Other I/O Pin Voltages
LX Pin Switch Current
EXT Pin Driver Current
Power Dissipation, PD @ TA = 25°C
SOT-26
• Package Thermal Resistance
SOT-26, θJA
Operating Junction Temperature
Storage Temperature Range
Electrical Characteristics
(VIN =3.3V, VDD set to 5V, Load Current = 0, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Start-UP Voltage
Operating VDD Range
No Load Current I (VIN)
VST
IL = 1mA
--
VDD
VDD pin voltage
2
INO LOAD
VIN = 3.3V, VOUT = 5V
--
Switch-off Current I (VDD)
Shutdown Current I (VIN)
ISWITCH OFF VIN = 6V
--
IOFF
CE Pin = 0V, VIN = 6V
--
Feedback Reference Voltage
VREF
Close Loop, VDD = 5V
Switching Rate
FS
VDD = 5V
--
Maximum Duty
DMAX
VDD = 5V
--
LX ON Resistance
VDD = 5V
--
Current Limit Setting
ILIMIT
VDD = 5V
--
EXT ON Resistance to VDD
VDD = 5V
--
EXT ON Resistance to GND
VDD = 5V
--
CE Pin Trip Level
VDD = 5V
0.4
Temperature Stability for VREF
Ts
--
Thermal Shutdown
TSD
--
Thermal Shutdown Hysterises
∆TSD
--
– 0.3V to 7V
– 0.3V to (VDD + 0.8V)
– 0.3V to (VDD + 0.3V)
2.5A
200mA
0.25W
250°C/W
125°C
– 65°C ~ +150°C
Typ Max Units
0.98 1.05
V
--
6.5
V
30
--
µA
17
--
µA
0.1
1
µA
0.25
V
500 --
kHz
75
--
%
0.4
--
Ω
500 --
mA
5
--
Ω
5
--
Ω
0.8 1.2
V
50
-- ppm/°C
165 --
°C
10
--
°C
www.richtek.com
4
DS9269-01 March 2003
Share Link: 