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F72815SG 参数 Datasheet PDF下载

F72815SG图片预览
型号: F72815SG
PDF下载: 下载PDF文件 查看货源
内容描述: 与外部参考电压输入同步降压PWM DC- DC控制器 [Synchronous Buck PWM DC-DC Controller with External Reference Voltage Input]
分类和应用: 控制器
文件页数/大小: 18 页 / 638 K
品牌: FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
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F72815
PARAMETER
POWER-ON RESET
Rising VCC threshold
Falling VCC threshold
OSCILLATOR AND Protection
Free running frequency
Ramp Amplitude
FB Under Voltage Trip
OCSET Current Source
Soft-start interval
Dead time
PWM CONTROLLER GATE DRIVERS
Upper Drive Source
Upper Drive Sink
Lower Drive Source
Lower Drive Sink
Error Amplifier
E/A Transconductance
DC Gain
gm
A0
2.5
85
*
SYMBOL
TEST CONDITIONS
MIN.
TYP.
MAX.
UNIT
4.1
3.6
4.4
3.75
V
V
F
OSC
△V
OSC
FB Falling
I
OCSET
T
SS
T
DT
2V to 2V
250
300
1.5
350
kHz
V
P-P
0.48
35
1
20
0.5
40
3
0.52
45
6
100
V
uA
ms
ns
R
UGATE
R
UGATE
R
LGATE
R
LGATE
VDS = 1V, VGS = 12V,
VDS = 1V, VGS = 12V
VDS = 1V, VGS = 12V
VDS = 1V, VGS = 12V
5
4
4
3
10
8
8
5
u A/V
dB
※:
Design Guarantee
F72815
-4-
Aug, 2007
V0.14