RT9199 Datasheet, PDF (5/13 Pages) Richtek Technology Corporation – Cost-Effective, 2A Peak Sink/Source Bus Termination Regulator

RT9199
Absolute Maximum Ratings (Note 1)
z Input Voltage, V_IN ------------------------------------------------------------------------------------------------------ 6V
z Control Voltage, V_CNTL ----------------------------------------------------------------------------------------------- 6V
z Power Dissipation, P_D @ T_A = 25°C
SOP-8 ------------------------------------------------------------------------------------------------------------------- 0.909W
SOP-8 (Exposed Pad) ---------------------------------------------------------------------------------------------- 1.176W
z Package Thermal Resistance (Note 4)
SOP-8, θ_JA -------------------------------------------------------------------------------------------------------------- 110° C/W
SOP-8, θ_JC -------------------------------------------------------------------------------------------------------------- 60° C/W
SOP-8 (Exposed Pad), θ_JA ------------------------------------------------------------------------------------------ 86° C/W
SOP-8 (Exposed Pad), θ_JC ----------------------------------------------------------------------------------------- 15° C/W
z Junction Temperature ------------------------------------------------------------------------------------------------- 125°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 Input Voltage, V_IN ------------------------------------------------------------------------------------------------------ 1.6V to 5.5V
z Control Voltage, V_CNTL ----------------------------------------------------------------------------------------------- 5V ± 5%
z Junction Temperature Range ---------------------------------------------------------------------------------------- −40°C to 125°C
Electrical Characteristics
(VIN = 1.8V, VCNTL = 5V, VREFEN = 0.9V, COUT = 10μF (Ceramic), TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Units
Input
VCNTL Operation Current
I_CNTL
I_OUT = 0A
--
1 2.5 mA
Standby Current (Note 7)
I_STBY
V_REFEN < 0.2V (Shutdown),
R_LOAD = 180Ω
--
2 90 μA
Output (DDR II)
Output Offset Voltage (Note 5) V_OS
I_OUT = 0A
−20 -- +20 mV
Load Regulation (Note 6)
Protection
ΔV_LOAD ^{IOUT = +1.8A}
I_OUT = −1.8A
−20 -- +20 mV
Current limit
I_LIMIT
2.0 -- 3.5 A
Thermal Shutdown Temperature T_SD
V_CNTL = 5V
125 170 -- °C
Thermal Shutdown Hysteresis
REFEN Shutdown
ΔT_SD
V_CNTL = 5V
-- 35 -- °C
Shutdown Threshold
V_IH
Enable
V_IL
Shutdown
0.6 -- --
V
--
-- 0.15
DS9199-07 September 2007
www.richtek.com
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