RT9229 Просмотр технического описания (PDF) - Richtek Technology
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RT9229 Datasheet PDF : 10 Pages
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RT9229
Absolute Maximum Ratings
z Supply Voltage
z PGOOD, FAULT and GATE Voltage
z Input, Output or I/O Voltage
z Ambient Temperature Range
z Junction Temperature Range
z Storage Temperature Range
z Lead Temperature (Soldering, 10 sec.)
z Package Thermal Resistance
SOP-28, θJA
Recommended Operating Conditions
+15V
GND−0.3V to VCC+0.3V
GND−0.3V to 7V
0°C to +70°C
0°C to +125°C
−65°C to +150°C
300°C
60°C/W
z Supply Voltage
z Ambient Temperature Range
z Junction Temperature Range
+12V ±10%
0°C to 70°C
0°C to 125°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 = 12V, PGND = 0V, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
VCC Supply Current
Nominal Supply Current
ICC
UGATE1, GATE2, GATE3,
LGATE1, and VOUT4 Open
Power-on Reset
VCC Rising Threshold
VCC Falling Threshold
Rising VOCSET1 (and 2) Threshold
Reference and DAC
VOCSET = 4.5V
VOCSET = 4.5V
DAC (VID0 – VID4) Input Low Voltage
DAC (VID0 – VID4) Input High Voltage
DACOUT Voltage Accuracy
DACOUT = 2.05 ~ 3.50V
DACOUT Voltage Accuracy
DACOUT = 1.30 ~ 2.00V
Reference Voltage (Pin FB2 and FB3) VREF
Min Typ Max Units
--
10
--
mA
7.5
--
9.5
V
7
--
9
V
-- 1.25 --
V
--
2.0
-1
-1%
1.240
--
0.8
V
--
--
V
--
1
%
-- 20mV --
1.265 1.290 V
To be continued
www.richtek-ic.com.tw
2
DS9229-03 July 2001
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