RT8223P
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
UVP Shutdown Blanking Time tSHDN_UVP From ENTRIPx Enable
--
5
--
ms
Thermal Shutdown
Thermal Shutdown
Thermal Shutdown Hysteresis
Logic Input
TSHDN
--
--
150
10
--
--
°C
°C
Low Level (DEM Mode)
REF Level (PWM Mode)
High Level (Ultrasonic Mode)
Low Level (SMPS Off)
On Level (SMPS On)
High Level (SMPS Off)
Rising Edge
--
1.8
2.7
--
--
--
0.8
2.3
--
SKIPSEL Input Voltage
V
--
--
0.25
3
ENTRIPx Input Voltage
VENTRIPx
0.515
4.5
--
--
V
V
--
--
0.4
0.36
--
0.515
--
ENTRIPx Low Level Threshold
Falling Edge
0.25
2.4
Logic-High VIH
Logic-Low VIL
VEN
--
EN Threshold
Voltage
V
V
--
2.4
1.5
--
--
3.3
3
0.4
4.2
5
EN Voltage
EN Current
Floating, Default Enable
VEN = 0.2V, Source
VEN = 5V, Sink
IEN
μA
3
8
Logic-High VIH_ENC
Logic-Low VIL_ENC
2
--
--
--
ENC Threshold
Voltage
V
--
0.6
VOUT1 / VOUT2 = 200kHz/250kHz
VOUT1 / VOUT2 = 300kHz/375kHz
VOUT1 / VOUT2 = 400kHz/500kHz
VTONSEL, VSKIPSEL = 0V or 5V
VENC = 0V or 5V
--
--
--
--
--
--
0.8
2.3
--
TONSEL Setting Voltage
1.8
2.7
−1
−1
V
1
Input Leakage Current
μA
1
Internal BOOT Switch
Internal Boost Switch
On-Resistance
VREG5 to BOOTx, 10mA
--
40
80
Ω
Ω
Power MOSFET Drivers
UGATEx, High State,
BOOTx to PHASEx Forced to 5V
UGATEx, Low State,
BOOTx to PHASEx Forced to 5V
--
--
4
8
4
UGATEx On-Resistance
1.5
LGATEx, High State
LGATEx, Low State
LGATEx Rising
--
--
--
--
4
8
4
LGATEx On-Resistance
Dead Time
Ω
1.5
30
40
--
--
ns
UGATEx Rising
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8
DS8223P-01 June 2011
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
