RT8205L 데이터 시트보기 (PDF) - Richtek Technology
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RT8205L Datasheet PDF : 26 Pages
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RT8205L/M
Parameter
Symbol
Test Conditions
Internal Regulator and Reference
VREG5 Output Voltage
VVREG5
VREG3 Output Voltage
VVREG3
VREG5 Output Current
VREG3 Output Current
VREG5 Switchover
Threshold to VOUT1
IVREG5
IVREG3
VSW5
VREG3 Switchover
Threshold to VOUT2
VSW3
VREGx Switchover
Resistance
Equivalent
R SW x
REF Output Voltage
VREF
REF Load Regulation
REF Sink Current
UVLO
VREG5 Under Voltage
Lockout Threshold
VREG3 Under Voltage
Lockout Threshold
Power Good
PGOOD Threshold
PGOOD Propagation Delay
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
PGOOD Detect, FBx Falling Edge
Hysteresis, Rising Edge with SS
Delay Time
Falling Edge, 50mV Overdrive
PGOOD Leakage Current
High State, Forced to 5.5V
PGOOD Output Low Voltage
ISINK = 4mA
Fault Detection
Over Voltage Protection Trip
Threshold
V FB_ OV P
OVP Detect, FBx Rising Edge
Over Voltage Protection
Propagation Delay
FBx = 2.35V
Under Voltage Protection Trip
Threshold
V FB_ UVP
UVP Detect, FBx Falling Edge
UVP Shutdown Blanking Time tSHDN_UVP From ENTRIPx Enable
Min Typ Max Unit
4.8
5
5.2
4.75
5
5.25
V
4.75 5 5.25
3.2 3.33 3.46
3.13 3.33 3.5
V
3.13 3.33 3.5
100 175 250 mA
100 175 250 mA
4.6 4.75 4.9
V
4.3 4.4 4.5
2.975 3.125 3.25
V
2.775 2.875 2.975
--
1.5
3
Ω
1.98 2 2.02 V
--
10
--
mV
5
--
--
μA
-- 4.20 4.35
V
3.7 3.9 4.1
--
2.5
--
V
82
85
88
%
--
6
--
--
10
--
μs
--
--
1
μA
--
--
0.3
V
109 112 116
%
--
5
--
μs
49
52
56
%
--
5
--
ms
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8
To be continued
DS8205L/M-05 June 2011
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