RT8206A RICHTEK [Richtek Technology Corporation], RT8206A Datasheet - Page 9

• Manufacturer Part Number: RT8206A
• Description: High-Efficiency, Main Power Supply Controllers for Notebook Computers
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Electrical Characteristics
unless otherwise specified)
DS8206A/B-04 March 2011
(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
FBx in Output Adjustable
Mode
SECFB Voltage
Output Voltage Adjust
Range
FBx Adjustable-mode
Threshold Voltage
DC Load Regulation
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
IN
= 12V, EN1 = EN2 = V
Parameter
CC
, V
BYP
I
V
V
FBx
SECFB
V
V
t
t
t
I
VIN_SBY
VIN_SHDH
Symbol
UGATEx
LGATEx
SSx
LIMX
OUT1
OUT2
LOAD
LINE
= 5V, PV
CC
V
ENLDO = 5V
V
ENx = ENLDO = GND
Both SMPSs On,
FB1 = SKIP = GND, FB2 = V
V
V
V
SKIP = 5V
V
SKIP = 5V
V
V
SMPS1, SMPS2
Fixed or Adj-Mode comparator
threshold
Either SMPS, SKIP = V
Either SMPS, SKIP = REF, 0 to 5A
Either SMPS, SKIP = GND, 0 to 5A
Either SMPS, V
TON =
V
TON =
REF
TON =
GND
SKIP = REF
Zero to full limit from ENx Enable
I
LIMx
= 5V, V
IN
IN
OUT1
OUT2
IN
IN
IN
IN
CC
= 6V to 25V, Both SMPS Off,
= 6V to 25V,
= 6V to 25V, FB1= GND,
= 6V to 25V, FB2 = V
= 6V to 25V
= 6V to 25V (RT8206A)
= V
= BYP = 5.3V,
= 3.5V
ENLDO
CC
Test Conditions
, GND − PHASEx
SMPS1 = 5.05V (200kHz)
SMPS2 = 3.33V (250kHz)
SMPS1 = 5.05V (300kHz)
SMPS2 = 3.33V (375kHz)
SMPS1 = 5.05V (400kHz)
SMPS2 = 3.33V (500kHz)
= 5V, No Load on LDO, VOUT1, VOUT2 and REF, T
IN
(Note 5)
= 6V to 25V
CC
CC
, 0 to 5A
,
CC
,
4.975
3.285
1.975
1895
1227
Min
1.92
4.75
999
647
895
475
200
0.2
25
90
--
--
--
--
--
--
--
--
2
RT8206A/B
0.005
2105
1403
1052
Typ
1110
180
5.05
3.33
−0.1
−1.7
−1.5
740
555
300
100
20
0.4
33
5
2
2
--
2
5
To be continued
5.125
3.375
2.025
Max
www.richtek.com
2315
1221
1579
1209
250
2.08
0.55
5.25
833
635
400
110
40
5.5
A
7
--
--
--
--
--
--
= 25°C,
Unit
mW
%/V
kHz
mV
μA
μA
ms
μA
ns
ns
%
V
V
V
V
V
V
9