RT8206L RICHTEK [Richtek Technology Corporation], RT8206L Datasheet - Page 11

• Manufacturer Part Number: RT8206L
• Description: High Efficiency, Main Power Supply Controller for Notebook Computers
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Copyright
DS8206L/M-07 June 2012
I
Coefficient
I
Current-Limit Threshold
Zero-Current Threshold
Internal Regulator and Reference
LDO Output Voltage
LDO Output Current
LDO Short-Circuit Current
LDO 5V Switchover
Threshold to BYP
LDO Switchover Equivalent
Resistance
REF Output Voltage
REF Load Regulation
REF Sink Current
UVLO
PVCC UVLO Threshold
Power Good
PGOODx Threshold
PGOODx Hysteresis
PGOODx Propagation
Delay
PGOODx Leakage Current
PGOODx Output Low
Voltage
Fault Detection
OVP Trip Threshold
OVP Propagation Delay
UVP Trip Threshold
UVP Shutdown Blanking
Time
Thermal Shutdown
Thermal Shutdown
Thermal Shutdown
Hysteresis
LIM
LIM
Adjustment Range
Current Temperature
©
2012 Richtek Technology Corporation. All rights reserved.
Parameter
V
I
V
R
V
V
V
t
T
ΔT
LDO
SHDN_UVP
Symbol
SHDN
LDO
BYP
REF
UVLO
FB_OVP
SW
SHDN
On the basis of 25°C
V
GND − PHASEx
SKIP = GND or REF, GND − PHASEx
BYP = GND, 6V < V
0 < I
BYP = GND, V
LDO = GND, BYP = GND
Falling Edge, Rising Edge with FB1
Regulation Point
LDO to BYP, 10mA
No External Load
I
REF in Regulation
Rising Edge
Falling Edge
PGOOD Detect, FBx Falling edge
Rising Edge with Soft-Start Delay Time
Falling Edge
High State, Forced to 5.5V
I
OVP Detect, FBx Rising edge
FBx with 50mV Overdrive
UVP Detect, FBx Falling edge
From ENx Enable
REF
SINK
ILIMx
LDO
= 0 to 50μA
= 4mA
= I
< 70mA
LIMx
Test Conditions
× R
IN
= 6V to 25V
ILIMx
V
V
V
IN
ILIMx
ILIMx
ILIMx
< 25V,
is a registered trademark of Richtek Technology Corporation.
= 0.5V
= 1V
= 2V
4.53
1.98
Min
180
108
0.5
4.9
3.9
40
85
70
10
86
50
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RT8206L/M
4700
4.35
4.05
4.66
Typ
100
200
200
150
112
1.5
50
10
90
10
10
55
10
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3
5
2
3
5
www.richtek.com
Max
4.79
2.02
220
300
115
116
5.1
4.5
4.2
0.3
60
94
60
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2
3
1
ppm/°C
Unit
mV
mV
mA
mA
mV
ms
μA
μA
μs
μs
°C
°C
%
%
%
%
Ω
V
V
V
V
V
V
11