RT9204CS Просмотр технического описания (PDF) - Richtek Technology
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RT9204CS Datasheet PDF : 14 Pages
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RT9204
Preliminary
Absolute Maximum Ratings
z Supply Voltage VCC
7V
z BOOT & UGATE to GND
z Input, Output or I/O Voltage
15V
GND−0.3V ~ 7V
z Power Dissipation, PD @ TA = 25°C
SOP-8
0.625W
z Package Thermal Resistance
SOP-8, θJA
z Ambient Temperature Range
z Junction Temperature Range
160°C/W
0°C ~ +70°C
-40°C ~ +125°C
z Storage Temperature Range
-65°C ~ +150°C
z 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
Symbol
Test Conditions
VCC Supply Current
Nominal Supply Current
VCC Regulated Voltage
Power-On Reset
ICC
UGATE, LGATE open
VCC
VBOOT=12V
Rising VCC Threshold
VCC Threshold Hysteresis
Reference
Reference Voltage
Both FB & FBL
Oscillator
Free Running Frequency
Ramp Amplitude
PWM Error Amplifier
∆ VOSC
DC Gain
PWM Controller Gate Driver
Upper Drive Source
Upper Drive Sink
Linear Regulator
RUGATE VBOOT = 12V; VBOOT - VUGATE = 1V
RUGATE VUGATE = 1V
DRV Driver Source
Protection
VDRV = 2V
FB Over-Voltage Trip
FB Rising
FB & FBL Under-Voltage Trip
FB & FBL Falling
Soft-Start Interval
SD Pin Threshold
VCC = 5V
SD pin Sink Current
VCC = 5V
Min Typ
--
3
--
6
3.75 4.1
-- 0.5
0.784 0.8
550 600
-- 1.75
-- 35
--
7
--
5
100 --
--
1
-- 0.5
--
1
-- 1.5
-- 40
Max Units
-- mA
--
V
4.35 V
--
V
0.816 V
650 KHz
--
VP-P
--
dB
--
Ω
--
Ω
-- mA
--
V
--
V
-- mS
--
V
--
µA
www.richtek-ic.com.tw
4
DS9204-00 February 2002
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