1.2A, 1.6MHz, High Efficiency
SGM6019
Synchronous Step-Down Converter
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = VEN = VMODE = 3.6V, L1 = 2.2µH, CIN = COUT = 10µF, IOUT = 0A, TA = +25℃, unless otherwise noted
Efficiency vs. Load Current
Efficiency vs. Load Current
VIN = 2.7V
100
90
80
70
60
50
100
95
90
85
80
75
70
VIN = 2.7V
VIN = 3.3V
VIN = 5.0V
VIN = 5.0V
VIN = 3.3V
VOUT = 1.8V
800 1000 1200
VOUT = 1.8V
10 100
0.1
1
Load Current (mA)
0
200
400
600
Load Current (mA)
Efficiency vs. Load Current
VIN = 2.7V
Efficiency vs. Load Current
VIN = 3.6V
100
95
90
85
80
75
70
100
95
90
85
80
75
70
VIN = 5.0V
VIN = 5.0V
VIN= 4.2V
V
IN = 3.3V
VOUT = 2.5V
VOUT = 3.3V
800 1000 1200
0
200
400
600
800 1000 1200
0
200
400
600
Load Current (mA)
Load Current (mA)
Quiescent Current vs. Input Voltage
Quiescent Current vs. Input Voltage
7
6
5
4
3
2
1
0
50
40
30
20
10
0
TA = +85℃
TA = +25℃
TA = -40℃
TA = +85℃
TA = +25℃
TA = -40℃
VMODE = GND, VOUT = 1.5V, IOUT = 0A
VMODE = VIN, VOUT = 1.5V, IOUT = 0A
2.7
3.4
4.1
4.8
5.5
2.7
3.4
4.1
4.8
5.5
Input Voltage (V)
Input Voltage (V)
SG Micro Corp
www.sg-micro.com
SEPTEMBER 2013
5
SGMICRO [ Shengbang Microelectronics Co, Ltd ]
