RT8206L RICHTEK [Richtek Technology Corporation], RT8206L Datasheet - Page 10

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

RT8206L/M
Electrical Characteristics
unless otherwise specified)
Copyright
www.richtek.com
10
(V
Input Supply
VIN Standby Supply Current I
VIN Shutdown Supply
Current
Quiescent Power
Consumption
SMPS Output and FB Voltage
VOUT1 Output Voltage in
Fixed Mode
VOUT2 Output Voltage in
Fixed Mode
SECFB Voltage
Output Voltage Adjust Range
FBx Adjustable Mode
Threshold Voltage
FBx in Output Adjustable
Mode
Line Regulation
On-Time
On-Time Pulse Width
Minimum Off-Time
Ultrasonic Mode Frequency
Soft-Start
Soft-Start Time
Current Sense
Current Limit Threshold
(Default)
Current Limit Current Source I
IN
= 12V, V
©
2012 Richtek Technology Corporation. All rights reserved.
Parameter
EN1
= V
EN2
= V
CC
= 5V, V
I
I
V
V
V
V
V
t
t
t
VIN_SBY
VIN_SHDH
Q
Symbol
ON
OFF (MIN)
SSx
LIMX
OUT1
OUT2
SECFB
LOAD
LINE
BYP
= 5V, PV
V
V
V
ENx = ENLDO = GND
Both SMPSs On,
FB1 = SKIP = GND, FB2 = V
V
V
V
V
V
V
V
SMPS1, SMPS2
Fixed or Adj-Mode comparator
threshold
Either SMPS, SKIP = V
Either SMPS, SKIP = REF
Either SMPS, SKIP = GND
Either SMPS, V
TON =
V
TON =
REF
TON =
GND
SKIP = REF
Zero to 200mV current limit threshold
from ENx enable
V
IN
ENLDO
IN
OUT1
OUT2
IN
SKIP
IN
SKIP
IN
CC
ILIMx
CC
= 6V to 25V, Both SMPS Off,
= 6V to 25V,
= 6V to 25V, FB1= GND,
= 6V to 25V, FB2 = V
= 6V to 25V (RT8206L)
= 5V, V
= 5V
= 5V
= V
= V
= 3.5V
= 5V
CC
BYP
Test Conditions
ENLDO
SMPS1 = 5.05V (200kHz)
SMPS2 = 3.33V (300kHz)
SMPS1 = 5.05V (300kHz)
SMPS2 = 3.33V (400kHz)
SMPS1 = 5.05V (400kHz)
SMPS2 = 3.33V (500kHz)
, GND − PHASEx
= 5.3V,
IN
(Note 5)
= 5V, No Load on LDO, VOUT1, VOUT2 and REF, T
= 6V to 25V
is a registered trademark of Richtek Technology Corporation.
CC
CC
,
CC
,
4.975
3.285
1.975
832.5
1895
1227
1.92
4.75
Min
606
895
475
200
0.2
25
85
--
--
--
--
--
--
--
2
DS8206L/M-07 June 2012
2.012
2.012
0.005
2105
1403
1052
5.05
3.33
Typ
180
925
694
555
300
100
0.4
20
33
--
5
2
2
2
5
5.125
3.375
2.025
2315
1018
1579
1209
Max
2.08
0.55
5.25
250
782
635
400
115
5.5
40
--
--
--
--
--
7
A
= 25°C,
Unit
mW
%/V
kHz
mV
ms
μA
μA
μA
ns
ns
V
V
V
V
V
V
V
V