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AIC1570 参数 Datasheet PDF下载

AIC1570图片预览
型号: AIC1570
PDF下载: 下载PDF文件 查看货源
内容描述: 5位DAC ,同步PWM功率调节器和LDO线性控制器 [5-bit DAC, Synchronous PWM Power Regulator with LDO and Linear Controller]
分类和应用: 调节器控制器
文件页数/大小: 18 页 / 414 K
品牌: AIC [ ANALOG INTERGRATIONS CORPORATION ]
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AIC1570
TYPICAL PERFORMANCE CHARACTERISTICS
U
GATE
U
GATE
L
GATE
L
GATE
FIG.1 The gate drive waveforms
60
10000
50
C
UGATE
=C
LGATE
=C
GATE
V
CC
=12V
40
Resistance (kΩ)
C
GATE
=5000pF
1000
I
CC
(mA)
R
T
Pull Up to +12V
100
R
T
Pull Down to GND
30
C
GATE
=2000pF
20
10
C
GATE
=660pF
10
0
100
150
200
250
300
350
400
1
100
150
200
250
300
350
400
450
Switching Frequency (KHz)
Switching Frequency (KHz)
FIG. 2 Bias Supply Current VS. Frequency
FIG. 3 R
T
Resistance VS. Frequency
PGOOD (5V/div)
SS (2V/div)
V
OUT
1
(1V/div)
SS
VDAC=3.5V
V
OUT2
(1V/div)
VDAC=2V
V
OUT3
(1V/div)
VDAC=1.3V
FIG.4 Soft Start Interval with 3 Outputs and PGOOD
FIG. 5 Soft Start Initiates PWM Output
5