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參數(shù)資料
| 型號： | RT9204CS |
| 廠商： | Richtek Technology Corporation |
| 元件分類： | 線性穩(wěn)壓 |
| 英文描述： | Dual Regulator - Standard Buck PWM DC-DC and Linear Power Controller |
| 中文描述： | 雙穩(wěn)壓器-標(biāo)準(zhǔn)降壓PWM型DC - DC與線性電源控制器 |
| 文件頁數(shù)： | 12/14頁 |
| 文件大?。?/td> | 276K |
| 代理商： | RT9204CS |
Preliminary
RT9204
DS9204-00 February 2002
www.richtek-ic.com.tw
7
Functional Pin Description
GND (Pin 1)
Signal and power ground for the IC. All voltage levels
are measured with respect to this pin.
VCC (Pin 2)
This is the main bias supply for the RT9204. This pin
also provides the gate bias charge for the lower
MOSFETs gate. The voltage at this pin monitored for
power-on reset (POR) purpose. This pin is also the
internal 6.0V regulator output powered from BOOT pin
when BOOT pin is directly powered from ATX 12V.
DRV (Pin 3)
This pin is linear regulator output driver. Connect to
external bypass NPN transistor base or NMOSFET
gate terminal.
FBL (Pin 4)
This pin is connected to the linear regulator output
divider. This pin also connects to internal linear
regulator error amplifier inverting input and protection
monitor.
FB (Pin 5)
This pin is connected to the PWM converter’s output
divider. This pin also connects to internal PWM error
amplifier inverting input and protection monitor.
SD (Pin 6)
Active low design with a 40
A pull low current source.
Pull this pin to VCC to shutdown both PWM and linear
regulator.
BOOT (Pin 7)
This pin provides ground referenced bias voltage to
the upper MOSFET driver. A bootstrap circuit is used
to create a voltage suitable to drive a logic-level N-
channel MOSFET when operating at a single 5V
power supply. This pin also could be powered from
ATX 12V, in this situation, an internal 6.0V regulator
will supply to VCC pin for internal voltage bias.
UGATE (Pin 8)
Connect UGATE pin to the PWM converter’s upper
MOSFET gate. This pin provides the gate drive for the
upper MOSFET.
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| RT9205ACS | Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller |
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| RTB-1.5-3P | 3 CONTACT(S), MALE, STRAIGHT TWO PART BOARD CONNECTOR, SOLDER |
| RTB-1.5-4P | 4 CONTACT(S), MALE, STRAIGHT TWO PART BOARD CONNECTOR, SOLDER |
| RTB-1.5-5P | 5 CONTACT(S), MALE, STRAIGHT TWO PART BOARD CONNECTOR, SOLDER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| RT9204GS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual Regulators - Standard Buck PWM DC-DC and Linear Controller |
| RT9204PS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Dual Regulators - Standard Buck PWM DC-DC and Linear Controller |
| RT9205 | 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 |
| 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 |
| RT9205_07 | 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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