FAN2012 Fairchild Semiconductor, FAN2012 Datasheet - Page 6

• Manufacturer Part Number: FAN2012
• Description: 1.5A Low Voltage Current Mode Synchronous PWM Buck Regulator
• Manufacturer: Fairchild Semiconductor

FAN2011/FAN2012 Rev. 1.0.2
Typical Performance Characteristics
T
(200mA/div)
(500mV/div)
(500mA/div)
(500mV/div)
(200mA/div)
A
Inductor
Inductor
(20mV/div)
Inductor
SW Node
SW Node
SW Node
Current
Current
Current
(5V/div)
(5V/div)
Voltage
Voltage
Voltage
Voltage
(5V/div)
Output
Voltage
(5V/div)
Output
Current
(5V/div)
Output
Voltage
Voltage
Voltage
= 25°C, C
Input
Input
Load
100mA
IN
= 10µF, C
Start-up Response
Start-up Response
Transient Response
OUT
Time (50µs/div)
Time (100µs/div)
Time (5µs/div)
= 40µF, L = 3.3µH, V
700mA
I
I
V
V
OUT
OUT
V
OUT
OUT
OUT
= 100mA
= 1500mA
= 1.2V
= 1.2V
= 1.2V
(Continued)
IN
= 5V, unless otherwise noted.
6
(200mA/div)
(200mA/div)
(500mA/div)
Inductor
(20mV/div)
Inductor
Inductor
SW Node
SW Node
SW Node
Current
(5V/div)
Current
Current
(5V/div)
(1V/div)
Voltage
Voltage
(5V/div)
Voltage
Current
(5V/div)
Output
Voltage
Voltage
(5V/div)
Output
Voltage
Voltage
(1V/div)
Voltage
Output
Input
Load
Input
700mA
Start-up Response
Transient Response
Start-up Response
Time (100µs/div)
Time (5µs/div)
Time (100µs/div)
100mA
I
I
V
V
OUT
OUT
V
OUT
OUT
OUT
= 100mA
= 1500mA
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= 3.3V
= 3.3V
= 1.2V