NN30295A Datasheet, PDF (18/27 Pages) Panasonic Battery Group – DC-DC Step down Regulator comprising of Controller IC and Power MOSFET with I2C Interface

NN30295A
TYPICAL CHARACTERISTICS CURVES ( Continued )
(2) Load transient
Condition : VIN = 5.0 V, Vout = 1.0 V, Frequency = 1 MHz, Iout = 10 mA ÅÆ 6 A ( 0.5 A / μs )
Skip Mode
FCCM Mode
VOUT (50 mV/div)
18.8mV
VOUT (50 mV/div)
25.8mV
22.4mV
IOUT (5 A/div)
24.6mV
IOUT (5 A/div)
Time (100 us/div)
Time (100 us/div)
Condition : VIN = 5.0 V, Vout = 1.0 V, Frequency = 1 MHz, Iout = 0.6 A ÅÆ 5.4 A ( 0.5 A / μs )
Skip Mode
FCCM Mode
VOUT (50 mV/div)
26.5mV
VOUT (50 mV/div)
24.3mV
23mV
IOUT (5 A/div)
20.7mV
IOUT (5 A/div)
(3) Efficiency
Time (100 us/div)
Condition : Vin = 5.0 V, Vout = 1.0 V / 1.2 V / 1.8V / 3.3V,
L = 1 μH, Cout = 44 μF (22 μF x 2), Frequency = 500 kHz
Frequency = 500 kHz
100
90
80
70
60
FCCM/ Vo= 1.0V
50
FCCM/ Vo= 1.2V
40
FCCM/ Vo= 1.8V
FCCM/ Vo= 3.3V
30
SKIP/ Vo= 1.0V
20
SKIP/ Vo= 1.2V
SKIP/ Vo= 1.8V
10
SKIP/ Vo= 3.3V
0
IOUT (A)
Time (100 us/div)
Condition : Vin = 5.0 V, Vout = 1.0 V / 1.2 V / 1.8V / 3.3V,
L = 1 μH, Cout = 44 μF (22 μF x 2), Frequency = 1 MHz
Frequency = 1000 kHz
100
90
80
70
60
FCCM/ Vo= 1.0V
50
FCCM/ Vo= 1.2V
40
FCCM/ Vo= 1.8V
30
FCCM/ Vo= 3.3V
SKIP/ Vo= 1.0V
20
SKIP/ Vo= 1.2V
10
SKIP/ Vo= 1.8V
SKIP/ Vo= 3.3V
0
IOUT (A)
18
Ver. BEB