RT9228CS 查看數據表（PDF） - Richtek Technology
零件编号
产品描述 (功能)
比赛名单
RT9228CS Datasheet PDF : 10 Pages
| |||
RT9228
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-24, θJA
+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
75°C/W
Recommended Operating Conditions
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
Min
VCC Supply Current
Nominal Supply Current
ICC
UGATE1, GATE3, LGATE1,
and VOUT2 Open
--
Power-On Reset
VCC Rising Threshold
VOCSET1 = 4.5V
7.5
VCC Falling Threshold
VOCSET1 = 4.5V
7
Rising VIN2 Under-voltage Threshold
--
VIN2 Under-voltage Hysteresis
--
Rising VOCSET1 Threshold
--
Oscillator
Free Running Frequency
180
Ramp Amplitude
∆VOSC
--
Typ Max Units
10
--
mA
--
9.5
V
--
9
V
2.8
--
V
0.5
--
V
1.25 --
V
200 225 kHz
1.9
--
VP-P
To be continued
www.richtek.com
2
DS9228-03 July 2001
Share Link: 