RT3667BY
Absolute Maximum Ratings (Note 1)
VCC toGND ---------------------------------------------------------------------------------------------------------------- −0.3V to 6.5V
RGNDtoGND -------------------------------------------------------------------------------------------------------------- −0.3V to 0.3V
TONSET toGND----------------------------------------------------------------------------------------------------------- −0.3V to 28V
Other Pins------------------------------------------------------------------------------------------------------------------- −0.3V to 6.8V
Power Dissipation, PD @ TA = 25°C
WQFN-52L 6x6 ------------------------------------------------------------------------------------------------------------ 3.77W
Package Thermal Resistance (Note 2)
WQFN-52L 6x6, θJA ------------------------------------------------------------------------------------------------------- 26.5°C/W
WQFN-52L 6x6, θJC ------------------------------------------------------------------------------------------------------ 6.5°C/W
Junction Temperature ----------------------------------------------------------------------------------------------------- 150°C
Lead Temperature (Soldering, 10 sec.)------------------------------------------------------------------------------- 260°C
Storage Temperature Range -------------------------------------------------------------------------------------------- −65°C to 150°C
ESD Susceptibility (Note 3)
HBM (Human Body Model)---------------------------------------------------------------------------------------------- 2kV
Recommended Operating Conditions (Note 4)
Supply Voltage, VCC ----------------------------------------------------------------------------------------------------- 4.5V to 5.5V
Junction Temperature Range-------------------------------------------------------------------------------------------- −40°C to 125°C
Electrical Characteristics
(VCC = 5V, TA = 25°C, unless otherwise specified)
Parameter
Input Power Supply
Supply Current
Symbol
Test Conditions
Min
Typ
Max
Unit
I
I
EN = 3V, not switching
EN = 0V
--
--
12
--
--
5
mA
VCC
Shutdown Current
Reference and DAC
A
SHDN
V
= 1.0000 1.5500
FB
0.5
0
0.5
%SVID
mV
(no load, CCM mode)
V
FB
V
FB
V
FB
= 0.8000 1.0000
= 0.3000 0.8000
= 0.2500 0.3000
5
8
0
0
0
5
8
DC Accuracy
V
FB
80
80
RGND Current
RGND Current
I
EN = 3V, not switching
SetVID Fast
--
200
12
--
--
A
RGND
Slew Rate
Dynamic VID Slew Rate
Error Amplifier
SR
7.5
mV/s
Input Offset
V
--
70
--
--
80
10
--
2
--
mV
dB
EAOFS
DC Gain
ADC
R = 47k
L
Gain-Bandwidth Product
Output Voltage Range
Maximum Source Current
Maximum Sink Current
GBW
C
= 5pF
--
MHz
V
LOAD
V
COMP
0.3
1
3.6
--
I
I
--
mA
mA
EAsr
1
--
--
EAsk
Copyright 2019 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS3667BY-00 September 2019
www.richtek.com
13
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