RT8296BHGSP Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT8296BHGSP Datasheet PDF : 15 Pages
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RT8296B
Absolute Maximum Ratings (Note 1)
l Supply Voltage, VIN ----------------------------------------------------------------------------------------------- −0.3V to 25V
l Input Voltage, SW ------------------------------------------------------------------------------------------------- −0.3V to (VIN + 0.3V)
l VBOOT - VSW --------------------------------------------------------------------------------------------------------- −0.3V to 6V
l Other Pin Voltages ------------------------------------------------------------------------------------------------ −0.3V to 6V
l Power Dissipation, PD @ TA = 25°C
SOP-8 (Exposed Pad) -------------------------------------------------------------------------------------------- 1.333W
l Package Thermal Resistance (Note 2)
SOP-8 (Exposed Pad), θJA --------------------------------------------------------------------------------------- 75°C/W
SOP-8 (Εxposed Pad), θJC -------------------------------------------------------------------------------------- 15°C/W
l Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------ 260°C
l Junction Temperature --------------------------------------------------------------------------------------------- 150°C
l Storage Temperature Range ------------------------------------------------------------------------------------- −65°C to 150°C
l ESD Susceptibility (Note 3)
HBM (Human Body Mode) --------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ---------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 4)
l Supply Voltage, VIN ----------------------------------------------------------------------------------------------- 4.5V to 23V
l Junction Temperature Range ------------------------------------------------------------------------------------ −40°C to 125°C
l Ambient Temperature Range ------------------------------------------------------------------------------------ −40°C to 85°C
Electrical Characteristics
(VIN = 12V, TA = 25°C, unless otherwise specified)
Parameter
Symb ol
Test Conditions
Shutdown Supply Current
Supply Current
Feedback Voltage
Error Amplifier
T rans c ondu ct anc e
High Side Switch
On-Resistance
Low Side Switch
On-Resistance
High Side Switch Leakage
Current
Upper Switch Current Limit
COMP to Current Sense
T rans c ondu ct anc e
Oscillation Frequency
Short Circuit Oscillation
F requ enc y
Maximum Duty Cycle
Minimum On-Time
VFB
GEA
RDS(ON)1
RDS(ON)2
GCS
fOSC1
fOSC2
DMAX
tON
VEN = 0V
VEN = 3V, VFB = 0.9V
4.5V ≤ VIN ≤ 23V
∆IC = ±10µA
VEN = 0V, VSW = 0V
Min. Duty Cycle, VBOOT−VSW = 4.8V
VFB = 0V
VFB = 0.7V
Min Typ
--
0.5
--
0.8
0.788 0.8
-- 940
--
85
--
85
--
0
--
5.1
--
5.4
1
1.2
-- 270
--
75
-- 100
Max Unit
3
µA
1.2 mA
0.812 V
-- µA/V
-- mΩ
-- mΩ
10
µA
--
A
-- A/V
1.4 MHz
-- kHz
--
%
--
ns
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4
To be continued
DS8296B-03 March 2011
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