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參數(shù)資料
| 型號： | APW7045 |
| 廠商： | Anpec Electronics Corporation |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Advanced PWM and Linear Power Controller |
| 中文描述： | 先進的PWM和線性功率控制器 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 121K |
| 代理商： | APW7045 |
www.anpec.com.tw
4
APW 7045
Copyright
ANPEC Electronics Corp.
Rev.A.5 - Jan., 2003
Electrical Characteristics ( Cont.)
APW7045
Min.
Symbol
Parameter
Test Conditions
Typ.
Max.
Unit
DAC Reference Voltage
V
DAC
Reference Voltage APW7045-10
Reference Voltage accuracy
Linear Regulator
Reference Voltage
Regulation
Output Drive Current
Synchronous PWM Controller Error Amplifier
DC Gain
GBWP Gain-Bandwidth Product
SR
Slew Rate
PWM Controller Gate Driver
I
UGATE
UGATE Source
R
UGATE
UGATE Sink
I
LGATE
LGATE Source
R
LGATE
LGATE Sink
Protection
VSEN1 Over-Voltage
VSEN1 Over-Voltage Hysteresis
I
OCSET
OCSET Current Source
I
SS
Soft Start Current
Power Good
VSEN1
Upper Threshold
VSEN1
Under Voltage
VSEN1
Hysteresis
V
PGOOD
PGOOD Voltage Low
1.00
V
%
-1.0
+1.0
1.5
3
40
V
%
mA
V
DRIVE
=4V
20
88
15
6
dB
MHz
V/
μ
s
COMP=10pF
V
CC
=12V, V
UGATE
=6V
V
UGATE1
=1V
V
CC
=12V, V
LGATE
=1V
V
LGATE
= 1V
1
A
A
2.1
1
1.6
3.5
3
VSEN1 Rising
115
2
200
28
120
%
%
μ
A
μ
A
V
OCSET
= 4.5V
170
230
VSEN1 Rising
VSEN1 Rising
Upper /Lower Threshold
I
PGOOD
= -4mA
109
93
2
0.2
%
%
%
V
0.8
Functional Pin Description
(Recommended operating conditions, Unless otherwise noted) Refer to Block and Simplified Power System
Diagram, and Typical Application Schematic.
VCC (Pin 1)
Provide a 12V bias supply for the IC to this pin. This
pin also provides the gate bias charge for all the
MOSFETs controlled by the IC. The voltage at this
pin is monitored for Power-On Reset (POR) purposes.
DRIVE (Pin 2)
Connect this pin to the gate of an external MOSFET.
This pin provides the drive for the V
MEM
regulator’s pass
transistor.
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