RT9591 View Datasheet(PDF) - Richtek Technology
Part Name
Description
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RT9591 Datasheet PDF : 13 Pages
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Preliminary
RT9591
Absolute Maximum Ratings (Note 1)
z Supply Voltage, VDD, VBAT, VDRV -------------------------------------------------------------------------------- −0.3V to 7V
z EXT -------------------------------------------------------------------------------------------------------------------- −0.3V to (VDD + 0.3V)
z DRVOUT -------------------------------------------------------------------------------------------------------------- −0.3V to (VDRV + 0.3V)
z IMCD ------------------------------------------------------------------------------------------------------------------ −0.5V to 7V
z Other I/O Pin Voltage ---------------------------------------------------------------------------------------------- −0.3V to 7V
z Power Dissipation, PD @ TA = 25°C
VQFN-16L 3x3 ------------------------------------------------------------------------------------------------------ 1.67W
z Package Thermal Resistance
VQFN-16L 3x3, θJA ------------------------------------------------------------------------------------------------- 60°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 2)
HBM (Human Body Mode) --------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ----------------------------------------------------------------------------------------------- 200V
Electrical Characteristics
(VDD = 3.3V, VVDRV = 3.3V, TA = 25°C, Unless Otherwise specification)
Parameter
Symbol
Test Conditions
Min Typ Max Units
VDD Operating Voltage
VDD
1.8
--
6.5 V
VDD UVLO Rising
--
1.6 1.8 V
VDD UVLO Hysteresis
30
60
-- mV
VBAT Voltage Rising
VBAT(MIN)
--
1.6 1.81 V
VBAT UVLO Hysteresis
190 300
-- mV
FB Voltage
VFB
0.96 0.98
1
V
Line Regulation
｜ΔVFB｜
1.8V< VDD < 3V
3V < VDD < 6.5V
--
--
8 mV
--
--
7 mV
Switch-Off Current
IVDD_SW_OFF VFB = 1.1V
--
1
10 uA
Switch-Off Current
IVBAT_SW_OFF VFB = 1.1V
--
Shutdown Current
IVDD+IVBAT
IOFF
Minimum Current on Secondary Side IIMCD
EXT On Resistance to VDD
EXT On Resistance to GND
STAT On Resistance to GND
Charge pin = 0V, VDD = 4.5V --
8
VDD = 3.3V
--
VDD = 3.3V
--
VDD = 3.3V
--
DS9591-07 August 2007
Patent Pending
0.01
1
uA
0.01
1
uA
10
12 mA
3
6
Ω
3
6
Ω
16
19 Ω
To be continued
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