RT9204 Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT9204 Datasheet PDF : 14 Pages
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Preliminary
RT9204/A
Absolute Maximum Ratings
l Supply Voltage VCC ------------------------------------------------------------------------------------------------ 7V
l BOOT & UGATE to GND ------------------------------------------------------------------------------------------- 15V
l Input, Output or I/O Voltage --------------------------------------------------------------------------------------- GND-0.3V to 7V
l Power Dissipation, PD @ TA = 25°C
SOP-8 ------------------------------------------------------------------------------------------------------------------ 0.625W
l Package Thermal Resistance
SOP-8, θJA ------------------------------------------------------------------------------------------------------------------------------------------------------- 160° C/W
l Ambient Temperature Range -------------------------------------------------------------------------------------- 0° C to +70° C
l Junction Temperature Range -------------------------------------------------------------------------------------- −40° C to +125° C
l Storage Temperature Range --------------------------------------------------------------------------------------- −65° C to +150° C
l Lead Temperature (Soldering, 10 sec.)-------------------------------------------------------------------------- 260°C
CAUTION:
Stresses beyond the ratings specified in “Absolute Maximum Ratings” may cause permanent damage to the device.
This is a stress only rating and operation of the device at these or any other conditions above those indicated in the
operational sections of this specification is not implied.
Electrical Characteristics
(VCC = 5V, TA = 25° C, Unless otherwise specified.)
Parameter
VCC Supply Current
Nominal Supply Current
VCC Regulated Voltage
Power-On Reset
Rising VCC Threshold
VCC Threshold Hysteresis
Reference
Reference Voltage
Oscillator
Free Running Frequency
Ramp Amplitude
PWM Error Amplifier
DC Gain
PWM Controller Gate Driver
Upper Drive Source
Upper Drive Sink
Linear Regulator
DRV Driver Source
Symbol
Test Conditions
Min Typ Max Units
ICC
UGATE, LGATE open
VCC
VBOOT=12V
--
3
-- mA
--
6
--
V
3.75 4.1 4.35 V
-- 0.5 --
V
Both FB & FBL
0.784 0.8 0.816 V
∆ VOSC
550 600 650 kHz
-- 1.75 -- VP-P
-- 35
--
dB
RUGATE VBOOT = 12V; VBOOT - VUGATE = 1V --
7
--
Ω
RUGATE VUGATE = 1V
--
5
--
Ω
VDRV = 2V
100 --
-- mA
To be continued
DS9204/A-08 March 2007
www.richtek.com
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