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參數(shù)資料
| 型號： | RT9205ACS |
| 廠商： | Richtek Technology Corporation |
| 英文描述： | Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
| 中文描述： | 雙穩(wěn)壓器-同步降壓PWM型DC - DC和線性控制器 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 316K |
| 代理商： | RT9205ACS |
Preliminary
RT9205/A
DS9205/A-03 May 2003
www.richtek.com
5
Absolute Maximum Ratings
Supply Voltage VCC
7V
BOOT & UGATE to GND
19V
Input, Output or I/O Voltage
GND
0.3V ~ 7V
Package Thermal Resistance
SOP-14,
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
ICC
VBOOT = 12V
5
6
7
V
Power-On Reset
Rising VCC Threshold
3.8
4.1
4.4
V
VCC Threshold Hysteresis
--
0.5
--
V
Reference
Reference Voltage
VFB
Both PWM and linear regulator
0.784
0.8
0.816
V
Oscillator
Free Running Frequency
250
300
350
KHz
Ramp Amplitude
VOSC
--
1.75
--
VP-P
PWM Error Amplifier
DC gain
32
35
38
dB
PWM Controller Gate Driver
Upper Drive Source
RUGATE
BOOT= 12V
BOOT-VUGATE = 1V
--
7.5
11
Upper Drive Sink
RUGATE
VUGATE = 1V
--
5
8
Lower Drive Source
RLGATE
VCC - VLGATE = 1V,
--
3.5
6
Lower Drive Sink
RLGATE
VLGATE = 1V
--
2
5
Linear Regulator
DRV Driver Source
VDRV = 2V
100
--
mA
Protection
FB Over-Voltage Trip
FB Rising
0.9
1
--
V
FB & FBL Under-Voltage Trip
FB & FBL Falling
--
0.5
0.65
V
Soft-Start Interval
--
2.5
--
mS
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RT9205-ACS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
| RT9205AGS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
| RT9205APS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
| RT9205GS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
| RT9205PS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
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