RT8223L 查看數據表（PDF） - Richtek Technology
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RT8223L Datasheet PDF : 24 Pages
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RT8223L/M
Parameter
Symbol
Internal Regulator and Reference
VREG5 Output Voltage
VVREG5
VREG3 Output Voltage
VVREG3
VREG5 Output Current
VREG3 Output Current
VREG5 Switch-over
Threshold to VOUT1
VREG3 Switch-over
Threshold to VOUT2
VREGx Switch-over
Equivalent Resistance
REF Output Voltage
REF Load Regulation
REF Sink Current
UVLO
VREG5 Under Voltage
Lockout Threshold
VREG3 Under Voltage
Lockout Threshold
Power Good
IVREG5
IVREG3
VSW5
VSW3
RSWx
VREF
PGOOD Threshold
PGOOD Propagation
Delay
PGOOD Leakage Current
PGOOD Output Low
Voltage
Fault Detection
Over Voltage Protection
Trip Threshold
Over Voltage Protection
Propagation Delay
Under Voltage Protection
Trip Threshold
VFB _O VP
VFB _UVP
Test Conditions
VOUT1 = GND, IVREG5 < 100mA
VOUT1 = GND, 6.5V < VIN < 25V,
IVREG5 < 100mA
VOUT1 = GND, 5.5V < VIN < 25V,
IVREG5 < 50mA
VOUT2 = GND, IVREG3 < 100mA
VOUT2 = GND, 6.5V < VIN < 25V,
IVREG3 < 100mA
VOUT2 = GND, 5.5V < VIN < 25V,
IVREG3 < 50mA
VVREG5 = 4.5V, VOUT1 = GND
VVREG3 = 3V, VOUT2 = GND
VOUT1 Rising Edge
VOUT1 Falling Edge
VOUT2 Rising Edge
VOUT2 Falling Edge
VREGx to VOUTx, 10mA
No External Load
0 < ILOAD < 100μA
REF in Regulation
Rising Edge
Falling Edge
SMPSx off
Min Typ Max
4.8
5
5.2
4.75 5 5.25
4.75 5 5.25
3.2 3.33 3.46
3.13 3.33 3.5
3.13 3.33 3.5
100 175 250
100 175 250
4.6 4.75 4.9
4.3
2.975
2.775
4.4
3.125
2.875
4.5
3.25
2.975
--
1.5
3
1.98 2 2.02
--
10
--
5
--
--
--
4.2 4.45
3.7 3.9 4.1
--
2.5
--
PGOOD Detect, FBx falling Edge
82 85 88
Hysteresis, Rising Edge with SS Delay
Time
--
6
--
Falling Edge, 50mV Overdrive
--
10
--
High State, Forced to 5.5V
--
--
1
ISINK = 4mA
--
--
0.3
OVP Detect, FBx Rising Edge
FBx = 2.35V
UVP Detect, FBx Falling Edge
109 112 116
--
5
--
49 52 56
Unit
V
V
mA
mA
V
V
V
V
Ω
V
mV
μA
V
V
%
μs
μA
V
%
μs
%
www.richtek.com
8
To be continued
DS8223L/M-04 April 2011
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