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参数资料
| 型号： | APW7060K |
| 厂商： | Anpec Electronics Corporation |
| 英文描述： | Dual Controllers - Step Down Synchronous PWM and Linear Controller |
| 中文描述： | 双控制器-向下同步PWM和线性控制器步 |
| 文件页数： | 6/16页 |
| 文件大小： | 179K |
| 代理商： | APW7060K |
Copyright
ANPEC Electronics Corp.
Rev. A.3 - Oct., 2003
APW 7060
www.anpec.com.tw
6
This pin is the inverting input of the internal error am-
plifier of the buck controller. Connect this pin to the
output (V
OUT1
) of the DC/DC converter via a proper sized
resistor divider to form a complete feedback loop. The
V
OUT1
is determined using the following formula :
where R1 is the resistor connected from V
OUT1
to FB,
and R2 is the resistor connected from FB to GND.
This pin is also monitored for under-voltage events.
12VCC (Pin 13)
NC (Pin 7, 8, 10, 11, 12)
No internal connection.
FB2 (Pin 6)
Connect this pin to the output (V
OUT2
) of the linear
regulator via a proper sized resistor divider. The volt-
age at this pin is regulated to 0.8V and the V
OUT2
is
determined using the following formula :
This pin provides the gate drive voltage for the linear
regulator N-channel MOSFET pass transistor. It also
provides a means of compensating the linear control-
ler for applications where the user needs to optimize
the regulator transient response.
GND (Pin 2, 3)
Signal and power ground for the IC. All voltage levels
are measured with respect to this pin. Tie this pin to
the ground plane through the lowest impedance con-
nection available.
DRIVE2 (Pin 5)
5VCC (Pin 4)
This is the main bias supply for the DC/DC controller
and its low side MOSFET driver. Must be closely
decoupled to GND (Pin 2,3). The voltage at this pin is
monitored for undervoltage lockout (UVLO) purposes.
DO NOT
apply a voltage greater than 5.5V to this pin.
This pin provides the gate drive signal for the low side
MOSFET .
Functional Pin Description
LGATE (Pin 1)
V
OUT2
=0.8V x (1+ R8
R7
FB (Pin 9)
V
OUT1
=0.8V x (1+ R2
where R7 is the resistor connected from V
OUT2
to FB2,
and R8 is the resistor connected from FB2 to GND.
This pin is also monitored for under-voltage events.
Pulling and holding FB2 above 1.28V shuts down both
regulators. Releasing FB2 initiates soft-start on both
regulators.
This pin provides the supply voltage to the high side
MOSFET driver and the linear controller. A voltage no
greater than 13V can be connected to this pin. The
voltage at this pin is monitored for undervoltage lock-
out (UVLO) purposes.
UGATE (Pin 14)
This pin provides gate drive for the high-side MOSFET.
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| APW7060KC-TR | 制造商:ANPEC 制造商全称:Anpec Electronics Coropration 功能描述:Dual Controllers - Step Down Synchronous PWM and Linear Controller |
| APW7060KC-TU | 制造商:ANPEC 制造商全称:Anpec Electronics Coropration 功能描述:Dual Controllers - Step Down Synchronous PWM and Linear Controller |
| APW7061 | 制造商:ANPEC 制造商全称:Anpec Electronics Coropration 功能描述:Synchronous Buck PWM Controller |
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| APW7061KC-TRL | 制造商:ANPEC 制造商全称:Anpec Electronics Coropration 功能描述:Synchronous Buck PWM Controller |
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