1.2A, 1.6MHz, High Efficiency
SGM6019
Synchronous Step-Down Converter
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
VIN = VEN = VMODE = 3.6V, L1 = 2.2µH, CIN = COUT = 10µF, IOUT = 0A, TA = +25℃, unless otherwise noted.
Steady-State in PWM Mode
Steady-State in Skip Mode
VSW
VSW
AC Coupled
AC Coupled
VOUT
VOUT
IL
VIN = 5V, VOUT = 1.8V, IOUT = 1.2A
VIN = 5V, VOUT = 3.3V, IOUT = 35mA
Time (1μs/div)
Time (4μs/div)
Steady-State in PWM Mode
Load Transient Test
VSW
VSW
VOUT
VOUT
AC Coupled
AC Coupled
VIN = 5V, VOUT = 3.3V, IOUT = 1.2A
VMODE = VIN = 5V, VOUT = 1.5V, IOUT = 0.01A to 1A
Time (100μs/div)
IL
Time (1μs/div)
Load Transient Test
Load Transient Test
VSW
VSW
VOUT
VOUT
AC Coupled
AC Coupled
VMODE = GND, VIN = 5V, VOUT = 1.5V, IOUT = 0.01A to 1A
VMODE = VIN = 3.6V, VOUT = 1.5V, IOUT = 0.01A to 1A
Time (100μs/div)
Time (100μs/div)
SG Micro Corp
SEPTEMBER 2013
www.sg-micro.com
7
SGMICRO [ Shengbang Microelectronics Co, Ltd ]
