RT8802AGQV RICHTEK [Richtek Technology Corporation], RT8802AGQV Datasheet - Page 16

• Manufacturer Part Number: RT8802AGQV
• Description: 2/3/4/5-Phase PWM Controller for High-Density Power Supply
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT8802A
Absolute Maximum Ratings
Recommended Operating Conditions
Electrical Characteristics
(V
www.richtek.com
16
V
Nominal Supply Current
Power-On Reset
POR Threshold
Hysteresis
V
V
Oscillator
Free Running Frequency
Frequency Adjustable Range
Ramp Amplitude
Ramp Valley
Maximum On-Time of Each Channel
RT Pin Voltage
Supply Voltage, V
Input, Output or I/O Voltage ---------------------------------------------------------------------------------- GND-0.3V to V
Power Dissipation, P
VQFN−40L 6x6 -------------------------------------------------------------------------------------------------- 2.857W
Package Thermal Resistance (Note 4)
VQFN-40L 6x6, θ
Junction Temperature ------------------------------------------------------------------------------------------ 150°C
Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------- 260°C
Storage Temperature Range --------------------------------------------------------------------------------- −65°C to 150°C
ESD Susceptibility (Note 2)
HBM (Human Body Mode) ----------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ------------------------------------------------------------------------------------------- 200V
Supply Voltage, V
Junction Temperature Range --------------------------------------------------------------------------------- −40°C to 125°C
Ambient Temperature Range --------------------------------------------------------------------------------- −40°C to 85°C
DD
DVD
TT
DD
= 5V, T
Threshold
Supply Current
Threshold
A
= 25°C, unless otherwise specified)
Parameter
JA
DD
DD
--------------------------------------------------------------------------------------------- 35°C/W
Trip (Low to High)
Hysteresis
Trip (Low to High)
Hysteresis
D
------------------------------------------------------------------------------------------- 7V
------------------------------------------------------------------------------------------- 5V ± 10%
@ T
A
All brandname or trademark belong to their owner respectively
= 25°C
(Note 1)
I
V
V
V
V
V
V
f
f
ΔV
V
V
DD
OSC
OSC_ADJ
Symbol
DDRTH
DDHYS
DVDTH
DVDHYS
TTTH
TTHYS
RV
RT
OS C
Four Phase Operation
PW M 1,2,3,4,5 Open
V
Enable
Enable
R
R
R
(Note 3)
DD
RT
RT
RT
Test Conditions
Rising
= 20kΩ
= 20kΩ
= 20kΩ
0.75
Min
180
4.0
0.2
0.9
0.7
0.9
50
45
--
--
--
--
DS8802A-04 August 2007
0.85
Typ
200
4.2
0.5
1.0
0.1
1.9
1.0
1.0
12
60
50
--
To be continued
Max
0.95
220
400
4.5
1.1
1.1
16
55
--
--
--
--
--
DD
+0.3V
Units
kHz
kHz
mA
mV
%
V
V
V
V
V
V
V