RT9706 Просмотр технического описания (PDF) - Richtek Technology
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RT9706 Datasheet PDF : 14 Pages
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RT9706
Absolute Maximum Ratings (Note 1)
z Supply Voltage --------------------------------------------------------------------------------------------------------- 6.5V
z Chip Enable Input Voltage ------------------------------------------------------------------------------------------- −0.3V to 6.5V
z Flag Voltage ------------------------------------------------------------------------------------------------------------ 6.5V
z Power Dissipation, PD @ TA = 25°C
SOT-23-5 ---------------------------------------------------------------------------------------------------------------- 0.4W
z Package Thermal Resistance (Note 4)
SOT-23-5, θJA ---------------------------------------------------------------------------------------------------------- 250°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
Recommended Operating Conditions (Note 3)
z Supply Input Voltage -------------------------------------------------------------------------------------------------- 2V to 5.5V
z Chip Enable Input Voltage ------------------------------------------------------------------------------------------- 0V to 5.5V
z Junction Temperature Range ---------------------------------------------------------------------------------------- −40°C to 125°C
z Ambient Temperature Range ---------------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(VIN = 5V, CIN = COUT = 1μF, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Switch On Resistance
RDS(ON) IOUT = 500mA
Supply Current
ISW_ON switch on, VOUT = Open
ISW_OFF switch off, VOUT = Open
Min Typ Max Units
-- 100 130 mΩ
--
25 45
μA
--
0.1
1
Logic-Low Voltage VIL
EN Threshold
Logic-High Voltage VIH
VIN = 2V to 5.5V, switch off
VIN = 2V to 5.5V, switch on
--
-- 0.8 V
2.0 --
--
V
EN Input Current
Output Leakage Current
IEN
VEN = 0V to 5.5V
ILEAKAGE VEN = 5V, RLOAD = 0Ω
-- 0.01 --
μA
-- 0.5 10 μA
Output Turn-On Rise Time
TON_RISE 10% to 90% of VOUT rising
-- 400 --
μs
Current Limit
FLAG Output Resistance
FLAG Off Current
FLAG Delay Time (Note 5)
Under-voltage Lockout
Under-voltage Hysteresis
ILIM
RFLG
IFLG_OFF
tD
VUVLO
ΔVUVLO
RLOAD =1Ω
ISINK = 1mA
VFLG = 5V
From fault condition to FLG
assertion
VIN Rising
0.5 0.8 1.25 A
--
20 400 Ω
-- 0.01 1
μA
5
12 20 ms
1.3 1.7 --
V
-- 0.1 --
V
To be continued
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4
DS9706-02 March 2007
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