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參數(shù)資料
| 型號(hào)： | RT9228CS |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | ADVANCED PWM AND DUAL LINEAR POWER CONTROLLER |
| 中文描述： | 先進(jìn)的PWM和雙重線性電源控制器 |
| 文件頁(yè)數(shù)： | 2/10頁(yè) |
| 文件大?。?/td> | 164K |
| 代理商： | RT9228CS |
RT9228
www.richtek.com
2
DS9228-03 July 2001
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,
θ
JA
+15V
GND
0.3V to V
CC
+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
(V
CC
= 12V, PGND = 0V, T
A
= 25
°
C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
VCC Supply Current
Nominal Supply Current
I
CC
UGATE1, GATE3, LGATE1,
and VOUT2 Open
--
10
--
mA
Power-On Reset
VCC Rising Threshold
V
OCSET1
= 4.5V
7.5
--
9.5
V
VCC Falling Threshold
V
OCSET1
= 4.5V
7
--
9
V
Rising VIN2 Under-voltage Threshold
--
2.8
--
V
VIN2 Under-voltage Hysteresis
--
0.5
--
V
Rising V
OCSET1
Threshold
Oscillator
--
1.25
--
V
Free Running Frequency
180
200
225
kHz
Ramp Amplitude
V
OSC
--
1.9
--
V
P-P
To be continued
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