V Datasheet, PDF (4/14 Pages) Continental Device India Limited – SOT-23 Formed SMD Package

RT8288
Absolute Maximum Ratings (Note 1)
z Supply Input Voltage, VIN ---------------------------------------------------------------------------------- −0.3V to 26V
z Switch Voltage, SW ----------------------------------------------------------------------------------------- −0.3V to (V_IN + 0.3V)
z Boot Voltage, BOOT ----------------------------------------------------------------------------------------- (SW − 0.3V) to (SW + 6V)
z Other Pins ------------------------------------------------------------------------------------------------------ −0.3V to 6V
z Power Dissipation, P_D @ T_A = 25°C
SOP-8 (Exposed Pad) -------------------------------------------------------------------------------------- 1.333W
z Package Thermal Resistance (Note 2)
SOP-8 (Exposed Pad), θ_JA --------------------------------------------------------------------------------- 75°C/W
SOP-8 (Exposed Pad), θ_JC -------------------------------------------------------------------------------- 15°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 Model) --------------------------------------------------------------------------------- 2kV
Recommended Operating Conditions (Note 4)
z Supply Input Voltage, VIN ---------------------------------------------------------------------------------- 4.5V to 21V
z Junction Temperature Range ------------------------------------------------------------------------------- −40°C to 125°C
z Ambient Temperature Range ------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(VIN = 12V, TA = 25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Shutdown Current
I_SHDN
V_EN = 0
Quiescent Current
Upper Switch On Resistance
Lower Switch On Resistance
Switch Leakage
Current Limit
Oscillator Frequency
Short Circuit Frequency
Maximum Duty Cycle
Minimum On Time
I_Q
R_DS(ON)1
R_DS(ON)2
I_{L EA K}
I_{L IMIT}
f_SW
D_MAX
t_ON
V_EN = 2V, V_FB = 1V
V_EN = 0V, V_SW = 0V or 12V
V_BOOT − V_SW = 4.8V
V_FB = 0.75V
V_FB = 0V
V_FB = 0.8V
Feedback Voltage
V_FB
4.5V ≤ V_IN ≤ 21V
Feedback Current
I_FB
EN Input Threshold ^{Logic-High V}IH
Voltage
Logic-Low V_IL
Enable Current
Under Voltage Lockout
Threshold
V_UVLO
V_EN = 2V
V_EN = 0V
V_IN Rising
Min Typ
--
0
-- 0.7
-- 120
--
40
--
0
5.4 6.5
425 500
-- 150
--
90
-- 100
0.796 0.808
--
10
2
--
--
--
--
1
--
0
Max
1
--
--
--
10
--
575
--
--
--
0.82
50
5.5
0.4
--
--
Unit
μA
mA
mΩ
mΩ
μA
A
kHz
kHz
%
ns
V
nA
V
μA
3.8
4
4.2 V
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DS8288-03 June 2012