RT9709BGQWB 查看數據表（PDF） - Richtek Technology
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RT9709BGQWB Datasheet PDF : 12 Pages
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RT9709
Absolute Maximum Ratings (Note 1)
z Supply Input Voltage, VIN -------------------------------------------------------------------------------------------- −0.3V to 30V
z VOUT, VB --------------------------------------------------------------------------------------------------------------- −0.3V to 7V
z Other Pins --------------------------------------------------------------------------------------------------------------- −0.3V to 5.5V
z Power Dissipation, PD @ TA = 25°C
WDFN-10L 3x3 --------------------------------------------------------------------------------------------------------- 1.429W
WDFN-12L 4x3 --------------------------------------------------------------------------------------------------------- 1.667W
z Package Thermal Resistance (Note 2)
WDFN-10L 3x3, θJA --------------------------------------------------------------------------------------------------- 70°C/W
WDFN-10L 3x3, θJC --------------------------------------------------------------------------------------------------- 7°C/W
WDFN-12L 4x3, θJA --------------------------------------------------------------------------------------------------- 60°C/W
WDFN-12L 4x3, θJC --------------------------------------------------------------------------------------------------- 7°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 3)
HBM (Human Body Mode) ------------------------------------------------------------------------------------------ 3kV
MM (Machine Mode) -------------------------------------------------------------------------------------------------- 250V
Recommended Operating Conditions (Note 4)
z Junction Temperature Range ---------------------------------------------------------------------------------------- −40°C to 125°C
z Ambient Temperature Range ---------------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(VIN = 5V, CIN = 1uF, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Power- On Reset
RT9709
Operation Voltage RT9709A VIN
RT9709B
Under Voltage Lockout Threshold VUVLO
VIN Rising
Hysteresis
Quiescent Current
IQ
When Enable, VEN < 0.4V
Shutdown Current
IQ_SD When Disable, VEN > 1.5V
Protections
Input OVP
Reference Voltage
RT9709
RT9709A
RT9709B
VOVP
Input OVP Hysteresis
Input OVP Propagation Delay
Over Current Protection
IOCP
Over Current Protection Blanking
Time
BTOCP
VOUT = VIN x 80%
DS9709-02 April 2011
Min Typ Max Units
4.3
--
6.5
V
4.3
--
5.5
V
4.3
--
5.9
V
2.4 2.6 2.7
V
--
100 --
mV
--
0.5
1
mA
30
60 100 uA
6.65 6.8 7.0
V
5.65 5.85 6.0
V
6
6.25 6.5
V
--
60 100 mV
--
--
1
us
0.93
1 1.07 A
--
170 --
us
To be continued
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