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参数资料
| 型号： | RT9204CS |
| 厂商： | Richtek Technology Corporation |
| 元件分类： | 线性稳压 |
| 英文描述： | Dual Regulator - Standard Buck PWM DC-DC and Linear Power Controller |
| 中文描述： | 双稳压器-标准降压PWM型DC - DC与线性电源控制器 |
| 文件页数： | 9/14页 |
| 文件大小： | 276K |
| 代理商： | RT9204CS |
RT9204
Preliminary
www.richtek-ic.com.tw
DS9204-00 February 2002
4
Absolute Maximum Ratings
Supply Voltage VCC
7V
BOOT & UGATE to GND
15V
Input, Output or I/O Voltage
GND
0.3V ~ 7V
Power Dissipation, PD @ TA = 25
°C
SOP-8
0.625W
Package Thermal Resistance
SOP-8,
θJA
160
°C/W
Ambient Temperature Range
0
°C ~ +70°C
Junction Temperature Range
-40
°C ~ +125°C
Storage Temperature Range
-65
°C ~ +150°C
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
Min
Typ
Max
Units
VCC Supply Current
Nominal Supply Current
ICC
UGATE, LGATE open
--
3
--
mA
VCC Regulated Voltage
VCC
VBOOT=12V
--
6
--
V
Power-On Reset
Rising VCC Threshold
3.75
4.1
4.35
V
VCC Threshold Hysteresis
--
0.5
--
V
Reference
Reference Voltage
Both FB & FBL
0.784
0.8
0.816
V
Oscillator
Free Running Frequency
550
600
650
KHz
Ramp Amplitude
VOSC
--
1.75
--
VP-P
PWM Error Amplifier
DC Gain
--
35
--
dB
PWM Controller Gate Driver
Upper Drive Source
RUGATE VBOOT = 12V; VBOOT - VUGATE = 1V
--
7
--
Upper Drive Sink
RUGATE VUGATE = 1V
--
5
--
Linear Regulator
DRV Driver Source
VDRV = 2V
100
--
mA
Protection
FB Over-Voltage Trip
FB Rising
--
1
--
V
FB & FBL Under-Voltage Trip
FB & FBL Falling
--
0.5
--
V
Soft-Start Interval
--
1
--
mS
SD Pin Threshold
VCC = 5V
--
1.5
--
V
SD pin Sink Current
VCC = 5V
--
40
--
A
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相关代理商/技术参数 |
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| RT9204GS | 制造商:RICHTEK 制造商全称:Richtek Technology Corporation 功能描述:Dual Regulators - Standard Buck PWM DC-DC and Linear Controller |
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| RT9205/ACS | 制造商:RICHTEK 制造商全称:Richtek Technology Corporation 功能描述:Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
| RT9205_07 | 制造商:RICHTEK 制造商全称:Richtek Technology Corporation 功能描述:Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
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