RT8206A RICHTEK [Richtek Technology Corporation], RT8206A Datasheet - Page 11

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

Note 1. Stresses beyond those listed under
Note 2.
Note 3. Devices are ESD sensitive. Handling precaution is recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.
Note 5. P
DS8206A/B-04 March 2011
TON Setting Voltage
ENx Input Voltage
ENLDO Input Voltage
Input Leakage Current
Internal BOOT Switch
Internal Boost Charging
Switch On-Resistance
Power MOSFET Drivers
UGATEx Driver Sink/Source
Current
LGATEx Driver Source
Current
LGATEx Driver Sink Current
UGATEx On-Resistance
LGATEx On-Resistance
Dead Time
SKIP Input Voltage
θ
These are stress ratings only, and functional operation of the device at these or any other conditions beyond those
indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
JEDEC 51-7 thermal measurement standard.
JA
VIN
Parameter
is measured in the natural convection at T
+ P
PVCC
V
Symbol
ENLDO
V
V
V
Clear Fault Level / SMPS Off Level
Delay Start
SMPS On Level
Rising Edge
Falling Edge
ENLDO = 0V or 25V
ENx = 0V or 5V
TON, SKIP = 0V or 5V
FBx = 0V or 5V
SECFB = 0V or 5V (RT8206A)
PVCC to BOOTx
UGATEx Forced to 2V
LGATEx Forced to 2V
LGATEx Forced to 2V
BOOTx to PHASEx Forced to 5V
LGATEx, High State
LGATEx, Low State
LG Rising
UG Rising
Low Level (DEM)
REF Level (Ultrasonic Mode)
High Level (PWM Mode)
OUT1
OUT1
OUT1
“
Absolute Maximum Ratings
/ V
/ V
/ V
A
OUT2
OUT2
OUT2
= 25°C on a high effective four layers thermal conductivity test board of
Test Conditions
(400kHz / 500kHz)
(300kHz / 375kHz)
(200kHz / 250kHz)
”
may cause permanent damage to the device.
0.94
Min
1.8
2.5
1.8
2.5
1.8
2.5
1.2
−1
−1
−1
−1
−1
--
--
--
--
--
--
--
--
--
--
--
--
RT8206A/B
Typ
1.6
1.7
3.3
1.5
2.2
0.6
20
30
40
--
--
--
--
--
--
--
--
--
--
--
--
--
--
1
2
www.richtek.com
Max
1.06
0.8
2.3
0.8
2.3
0.8
2.3
2.0
1.5
+3
+1
+1
+1
+1
--
--
--
--
--
--
--
--
--
4
5
Unit
μA
ns
V
V
V
V
Ω
A
A
A
Ω
Ω
11