RT8223LGQW Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT8223LGQW Datasheet PDF : 24 Pages
| |||
RT8223L/M
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)
High Level (Ultrasonic Mode)
ENTRIPx Input Voltage
On Level (SMPS On)
VENTRIPx
High Level (SMPS Off)
EN Threshold
Voltage
Logic-High VIH
Logic-Low VIL
EN Voltage
VEN
Floating, Default Enable
EN Current
IEN
VEN = 0.2V, Source
VEN = 5V, Sink
ENC Threshold
Voltage
(RT8223M)
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 = 300kHz/375kHz
VOUT1 / VOUT2 = 400kHz/500kHz
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
--
--
--
--
3
V
4.5
--
--
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
--
DS8223L/M-04 April 2011
www.richtek.com
9
Share Link: 