RT8859M 데이터 시트보기 (PDF) - Richtek Technology
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RT8859M Datasheet PDF : 51 Pages
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RT8859M
Absolute Maximum Ratings (Note 1)
z VCC to GND --------------------------------------------------------------------------------------------------------- −0.3V to 6.5V
z RGNDx to GND ----------------------------------------------------------------------------------------------------- −0.3V to 0.3V
z TONSETx to GND -------------------------------------------------------------------------------------------------- −0.3V to 28V
z Others ----------------------------------------------------------------------------------------------------------------- −0.3V to (VCC + 0.3V)
z Power Dissipation, PD @ TA = 25°C
WQFN−56L 7x7 ----------------------------------------------------------------------------------------------------- 3.226W
z Package Thermal Resistance (Note 2)
WQFN−56L 7x7, θJA ----------------------------------------------------------------------------------------------- 31°C/W
WQFN−56L 7x7, θJC ---------------------------------------------------------------------------------------------- 6°C/W
z Junction Temperature ---------------------------------------------------------------------------------------------- 150°C
z Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------ 260°C
z Storage Temperature Range ------------------------------------------------------------------------------------- −65°C to 150°C
z ESD Susceptibility (Note 3)
HBM (Human Body Model) --------------------------------------------------------------------------------------- 2kV
Recommended Operating Conditions (Note 4)
z Supply Voltage, VCC ---------------------------------------------------------------------------------------------- 4.5V to 5.5V
z Junction Temperature Range ------------------------------------------------------------------------------------- −40°C to 125°C
z Ambient Temperature Range ------------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(VCC = 5V, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Supply Input
Supply Current
Shutdown Current
Reference and DAC
DAC Accuracy
RGND Current
IVCC
ISHDN
VEN = 1.05V, Not Switching
VEN = 0V
VDAC = 1.000 to 1.520 (No Load, Active
Mode)
VFB
VDAC = 0.800 to 1.000
VDAC = 0.500 to 0.800
VDAC = 0.250 to 0.500
RGND Current
Slew Rate
IRGND
Dynamic VID Slew Rate SR
Error Amplifier
VEN = 1.05V, Not Switching
Set VID Slow, SR_ADDF pin = 0V
Set VID Fast, SR_ADDF pin = 0V
DC Gain
ADC
Gain-Bandwidth Product GBW
Slew Rate
SR
RLOAD = 47kΩ
CLOAD = 5pF
CLOAD = 10pF (Gain = −4,
RLOAD = 47kΩ, VOUT = 0.5V to −3V)
Min Typ Max Unit
--
12
20
mA
--
--
5
μA
−0.5
0
−5
0
−8
0
−8
0
0.5 %VID
5
mV
8
mV
8
mV
--
--
500 μA
2.5 3.125 3.75
mV/μs
10 12.5 15
--
80
--
dB
--
10
-- MHz
--
5
-- V/μs
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
www.richtek.com
18
is a registered trademark of Richtek Technology Corporation.
DS8859M-05 July 2012
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