RT9511 查看數據表（PDF） - Richtek Technology
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RT9511 Datasheet PDF : 24 Pages
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RT9511
Absolute Maximum Ratings (Note 1)
l Supply Input Voltage, ACIN -------------------------------------------------------------------------------------------- −0.3V to 18V
l Supply Input Voltage, USB -------------------------------------------------------------------------------------------- −0.3V to 7V
l Supply Input Voltage, EN1, EN2, FB1, FB2 ----------------------------------------------------------------------- −0.3V to 6V
l VDD1, VDD2 -------------------------------------------------------------------------------------------------------------- 6.5V
l Power Dissipation, PD @ TA = 25°C
WQFN-24L 4x4 ----------------------------------------------------------------------------------------------------------- 1.923W
l Package Thermal Resistance (Note 2)
WQFN-24L 4x4, θJA ----------------------------------------------------------------------------------------------------- 52°C/W
WQFN-24L 4x4, θJC ----------------------------------------------------------------------------------------------------- 7°C/W
l Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------ 260°C
l Junction Temperature --------------------------------------------------------------------------------------------------- 150°C
l Storage Temperature Range ------------------------------------------------------------------------------------------- −65°C to 150°C
l ESD Susceptibility (Note 3)
HBM (Human Body Mode) --------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ---------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 4)
l Supply Input Voltage Range, ACIN ----------------------------------------------------------------------------------- 4.5V to 12V
l Supply Input Voltage Range, USB ----------------------------------------------------------------------------------- 4.1V to 6V
l Supply Input Voltage Range, VDD1, VDD2 ------------------------------------------------------------------------- 2.5V to 5.5V
l Junction Temperature Range ------------------------------------------------------------------------------------------ −25°C to 125°C
l Ambient Temperature Range ------------------------------------------------------------------------------------------ −25°C to 85°C
Electrical Characteristics
(VACIN = VUSB = 5V, TA = 25°C, unless otherwise specification)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supply Input
ACIN UVP Threshold Voltage
USB UVP Threshold Voltage
ACIN/USB UVP Hysteresis
ACIN/USB Standby Current
ACIN/USB Shutdown Current
BATT Sleep Leakage Current
Voltage Regulation
BATT Regulation Voltage
ACIN MOSFET Dropout
USB MOSFET Dropout
Current Regulation
ISETA Set Voltage
(Fast Charge Phase)
VU V_ACIN Rising
4.1 4.3 4.5 V
VU V_USB
VBATT = 3V, Rising
3.7 3.9 4.1 V
VU V_HYS
VBATT = 3V
40 100 140 mV
ISTBY
VBATT = 4.5V
--
300 500 µA
ISHDN
IS LE EP
VEN = High
--
VACIN = 4V, VUSB = 4V, VBATT
= 4.5V
--
50
100 µA
5
15 µA
VR EG
IBATT = 60mA
4.158 4.2 4.242 V
VBATT = 4V, ICHG = 1A
400 500 620 mV
VBATT = 4V, ISET_USB = High 500 650 800 mV
VISETA_FCHG VBATT = 3.5V
2.43 2.48 2.53 V
To be continued
www.richtek.com
6
DS9511-01 April 2011
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