参数资料
型号: APW7078
厂商: Anpec Electronics, Corp.
元件分类: DC/DC变换器
英文描述: Single Step-up DC/DC Controller
中文描述: 单升压DC/ DC控制器
文件页数: 2/16页
文件大小: 400K
代理商: APW7078
C opyright
ANPEC Electronics C orp.
Rev. A.3 - Nov., 2005
APW 7078
www.anpec.com.tw
2
Block Diagram
Output drive
circuit
Soft start
SCP
Sawtooth wave
oscillator
0.1V
DTC 0.8V
PWM
Comp.
VDD
VDD
0.16V
0.9V
VDD
OSC
INV
FB
GND
SCP
CTL
OUT
Error Amp.
Vref 0.5V
+
-
+
-
+
+
UVLO
Symbol
Parameter
Value
Unit
V
DD
V
IO
Supply Voltage
-0.3 to 7
V
Input / Output Pins
-0.3 to 7
V
T
A
T
J
Operating Ambient Temperature Range
-40 to 85
°
C
Junction Temperature Range
-40 to 150
°
C
T
STG
Storage Temperature Range
-65 to +150
°
C
T
S
Soldering Temperature
300, 10 seconds
°
C
Absolute Maximum Ratings
Recommended Operating Condition
Value
Symbol
Parameter
Min.
Typ.
Max.
Unit
V
DD
V
INV
V
CTL
C
SCP
R
T
C
T
F
SW
Supply Voltage
Error Amplifier Invert Input Voltage
2.3
-0.2
-
-
5.5
1
V
V
Control Pin Input Voltage
SCP Pin Capacitor
-0.2
-
-
V
DD
-
V
0.1
μ
F
K
pF
KHz
Timing Resistance
1.0
3.3
10
Timing Capacitor
Oscillator Frequency
100
200
-
270
1000
600
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