RT9107B Datasheet, PDF (6/42 Pages) Richtek Technology Corporation – Dual-Channel Digital Audio System

RT9107B
Absolute Maximum Ratings (Note 1)
 Supply Voltage, PVDD_AB, PVDD_CD, OUT_x -------------------------------------------------------------------- −0.3V to 32V
 Switch Voltage, DVDD, AVDD ------------------------------------------------------------------------------------------- −0.3V to 3.6V
 BST_x to GND
DC ------------------------------------------------------------------------------------------------------------------------------ −0.3V to 32V
 PWDNN ----------------------------------------------------------------------------------------------------------------------- −0.3V to 3.6V
 GND to AGND --------------------------------------------------------------------------------------------------------------- −0.3V to 0.3V
 Power Dissipation, P_D @ T_A = 25°C
TQFP-48L 7x7 (Exposed Pad) ------------------------------------------------------------------------------------------ 3.46W
 Package Thermal Resistance (Note 2)
TQFP-48L 7x7 (Exposed Pad), θJA ------------------------------------------------------------------------------------ 28.9°C/W
TQFP-48L 7x7 (Exposed Pad), θJC ------------------------------------------------------------------------------------ 1.3°C/W
 Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------------------- 260°C
 Junction Temperature ------------------------------------------------------------------------------------------------------ 150°C
 Storage Temperature Range --------------------------------------------------------------------------------------------- −65°C to 150°C
 ESD Susceptibility (Note 3)
HBM (Human Body Model) ----------------------------------------------------------------------------------------------- 2kV
MM (Machine Model) ------------------------------------------------------------------------------------------------------ 200V
Recommended Operating Conditions (Note 4)
 Supply Input Voltage, DVDD, AVDD ------------------------------------------------------------------------------------ 3V to 3.6V
 Supply Input Voltage, PVDD_AB, PVDD_CD ------------------------------------------------------------------------ 8V to 26V
 Junction Temperature Range --------------------------------------------------------------------------------------------- −40°C to 125°C
 Ambient Temperature Range --------------------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(PVDD = 12V, R_L = 8Ω, T_A = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
PWDNN Input Voltage ^{High-Level VIH}
Low-Level V_IL
2
--
--
V
-- -- 1.5
Fault Output Voltage
High-Level V_OH
Low-Level V_OL
2
--
--
V
-- -- 0.5
ICC Quiescent Current (Normal Mode) I_{Q_D}
PWDNN = 3.3V, no switch for DVDD --
-- 10 mA
ICC Quiescent Current (Normal Mode) I_{Q_D}
PWDNN = 3.3V, switch 50% duty for
DVDD
--
-- 10 mA
ICC Quiescent Current (Shutdown) I_{SD_D} PWDNN = 0.8V, for DVDD
-- <1 -- mA
ICC Quiescent Current (Normal Mode) I_{Q_P}
ICC Quiescent Current (Normal Mode) I_{Q_P}
PWDNN = 3.3V, no switch for PVDD -- 5 -- mA
PWDNN = 2V, switch 50% duty for
PVDD
-- 25 -- mA
ICC Quiescent Current (Shutdown) I_{SD_P} PWDNN = 0.8V, no load for PVDD
-- -- 2 mA
Drain-Source On-State ^High-Side
Resistance
Low-Side
R_DS(ON)
PVDD = 12V, I_OUT = 500mA,
T_J = 25C
--
--
230
180
--
--
m
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DS9107B-00 November 2016