參數(shù)資料
型號: FAN2012I
廠商: Fairchild Semiconductor Corporation
英文描述: 1.5A Low Voltage Current Mode Synchronous PWM Buck Regulator
中文描述: 1.5A的低電壓電流模式同步PWM降壓穩(wěn)壓器
文件頁數(shù): 6/10頁
文件大小: 240K
代理商: FAN2012I
6
www.fairchildsemi.com
FAN2011/FAN2012 Rev. 1.0.2
F
Typical Performance Characteristics
T
A
= 25
°
C, C
IN
= 10μF, C
(Continued)
OUT
= 40μF, L = 3.3μH, V
IN
= 5V, unless otherwise noted.
Start-up Response
Time (50
μ
s/div)
Inductor
Current
(200mA/div)
SW Node
Voltage
(5V/div)
Output
Voltage
(500mV/div)
V
OUT
= 1.2V
I
OUT
= 100mA
Input
Voltage
(5V/div)
100mA
Start-up Response
Time (100
μ
s/div)
Inductor
Current
(200mA/div)
SW Node
Voltage
(5V/div)
V
OUT
= 3.3V
I
OUT
= 100mA
Input
Voltage
(5V/div)
Start-up Response
Time (100
μ
s/div)
Inductor
Current
(500mA/div)
SW Node
Voltage
(5V/div)
Output
Voltage
(500mV/div)
V
OUT
= 1.2V
I
OUT
= 1500mA
Input
Voltage
(5V/div)
Start-up Response
Time (100
μ
s/div)
Inductor
Current
(500mA/div)
SW Node
Voltage
(5V/div)
V
OUT
= 3.3V
I
OUT
= 1500mA
Input
Voltage
(5V/div)
Output
Voltage
(1V/div)
Transient Response
Time (5
μ
s/div)
Inductor
Current
(200mA/div)
SW Node
Voltage
(5V/div)
Load
Current
Output
Voltage
(20mV/div)
V
OUT
= 1.2V
Transient Response
Time (5
μ
s/div)
Inductor
Current
(200mA/div)
SW Node
Voltage
(5V/div)
Load
Current
Output
Voltage
(20mV/div)
Output
Voltage
(1V/div)
700mA
700mA
100mA
V
OUT
= 1.2V
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