RT8223N 데이터 시트보기 (PDF) - Richtek Technology
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RT8223N Datasheet PDF : 23 Pages
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RT8223N
Parameter
Symbol
Test Conditions
UVP Shutdown Blanking Time tSHDN_UVP From ENTRIPx Enable
Thermal Shutdown
Thermal Shutdown
TSHDN
Thermal Shutdown Hysteresis
Logic Input
Low Level (DEM Mode)
SKIPSEL Input Voltage
REF Level (PWM Mode)
ENTRIPx Input Voltage
VENTRIPx
ENTRIPx Low Level Threshold
High Level (Ultrasonic Mode)
Low Level (SMPS Off)
On Level (SMPS On)
High Level (SMPS Off)
Rising Edge
Falling Edge
EN Threshold
Voltage
Logic-High VIH
Logic-Low VIL
EN Voltage
EN Current
VEN
Floating, Default Enable
IEN
VEN = 0.2V, Source
VEN = 5V, Sink
ENC Threshold
Voltage
Logic-High VIH_ENC
Logic-Low VIL_ENC
TONSEL Setting Voltage
Input Leakage Current
Internal BOOT Switch
Internal Boost Switch
On-Resistance
Power MOSFET Drivers
UGATEx On-Resistance
LGATEx On-Resistance
VOUT1 / VOUT2 = 200kHz/250kHz
VOUT1 / VOUT2 = 250kHz/313kHz
VOUT1 / VOUT2 = 300kHz/375kHz
VTONSEL, VSKIPSEL = 0V or 5V
VENC = 0V or 5V
VREG5 to BOOTx, 10mA
UGATEx, High State,
BOOTx to PHASEx Forced to 5V
UGATEx, Low State,
BOOTx to PHASEx Forced to 5V
LGATEx, High State
LGATEx, Low State
Dead Time
LGATEx Rising
UGATEx Rising
Min Typ Max Unit
--
5
-- ms
--
150
--
°C
--
10
--
°C
--
-- 0.8
1.8
--
2.3
V
2.7 --
--
--
-- 0.25
0.515 --
3
V
4.5 --
--
--
0.4 0.515 V
0.25 0.35 --
2.4 --
--
V
--
-- 0.4
2.4 3.3 4.2 V
1.5
3
--
3
5
μA
8
2
--
--
V
--
-- 0.6
--
-- 0.8
1.8 -- 2.3 V
2.7 --
--
−1
--
−1
--
1
μA
1
--
40
80
Ω
--
4
8
Ω
--
1.5
4
--
4
8
Ω
--
1.5
4
--
30
--
ns
--
40
--
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8
DS8223N-03 April 2011
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