RT9263C 查看數據表（PDF） - Richtek Technology
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RT9263C Datasheet PDF : 10 Pages
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Preliminary
RT9263
Electrical Characteristics
(VIN = 1.5V, VDD set to 3.3V, 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)
Switch-off Current I (VDD)
Shutdown Current I (VIN)
Feedback Reference Voltage
Switching Rate
Maximum Duty
LX ON Resistance
VST
IL = 1mA
VDD
Start-up to IDD1 > 250µA
INO LOAD VIN = 1.5V, VOUT = 3.3V
ISWITCH OFF VIN = 6V
IOFF
CE Pin = 0V, VIN = 4.5V
VREF
Close Loop, VDD = 3.3V
FS
VDD = 3.3V
DMAX
VDD = 3.3V
VDD = 3.3V
--
0.8
--
--
--
1.225
--
--
--
Current Limit Setting
ILIMIT
VDD = 3.3V
--
EXT ON Resistance to VDD
VDD = 3.3V
--
EXT ON Resistance to GND
VDD = 3.3V
--
Line Regulation
Load Regulation
CE Pin Trip Level
∆VLINE
∆VLOAD
VIN = 1.5 ~ 2.5V, IL = 1mA --
VIN = 2.5V, IL = 1 ~ 100mA --
VDD = 3.3V
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
0.98
--
47
17
0.1
1.25
550
92
0.25
2
40
30
10
0.25
0.8
50
165
10
Max Units
1.05
V
6
V
--
µA
--
µA
1
µA
1.275 V
--
KHz
--
%
--
Ω
--
A
--
Ω
--
Ω
-- mV/V
-- mV/mA
1.4
V
-- ppm/°C
--
°C
--
°C
DS9263-00 November 2001
www.richtek-ic.com.tw
5
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