RT9210GC Ver la hoja de datos (PDF) - Richtek Technology
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RT9210GC
Richtek Technology
RT9210GC Datasheet PDF : 17 Pages
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RT9210
Preliminary
Absolute Maximum Ratings (Note 1)
z Supply Voltage, VCC -------------------------------------------------------------------------------------------------- 7V
z BOOT, VBOOT - VPHASE ------------------------------------------------------------------------------------------------ 7V
z Input, Output or I/O Voltage ----------------------------------------------------------------------------------------- GND-0.3V to 7V
z Package Thermal Resistance
TSSOP-24, θJA --------------------------------------------------------------------------------------------------------- 100°C/W
SOP-24, θJA ------------------------------------------------------------------------------------------------------------ 90°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 Voltage, VCC -------------------------------------------------------------------------------------------------- 5V ± 5%
z Ambient Temperature Range ---------------------------------------------------------------------------------------- 0°C to 70°C
z Junction Temperature Range ---------------------------------------------------------------------------------------- 0°C to 125°C
Electrical Characteristics
(VCC = 5V, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Units
VCC Supply Current
Nominal Supply Current
ICC
OCSET/SD = VCC, UGATE1 & 2 --
LGATE1 & 2 Open
5
--
mA
Shutdown Supply
Power-On Reset
ICCSD OCSET/SD = 0V
--
3
--
mA
POR Threshold
VCCRTH VOCSET/SD = 4.5V, VCC Rising
Hysteresis
VCCHYS VOCSET/SD = 4.5V
Reference (for V1 and V2 Error Amp)
Reference Voltage
(V2 Error Amp Reference)
V1 Error Amp Reference Voltage
Tolerance
VREF2 Sense1 = 2.5V
ΔV1EAR
Error Amp Reference
VREF VCC = 5V
Oscillator
3.7 4.1 4.5
V
-- 0.5 --
V
49.0
50.0
51.0
%
Sense1
--
--
2
%
0.784 0.8 0.816 V
Free Running Frequency
Ramp Amplitude
Error Amplifier
fOSC VCC = 5V
ΔVOSC
275 300 325
-- 1.9 --
kHz
VP-P
DC Gain
-- 90 --
dB
Gain-Bandwidth Product
GBW
-- 10 -- MHz
Slew Rate
SR
COMP = 10pF
--
6
-- V/μs
To be continued
www.richtek.com
6
DS9210-05 March 2007
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