AN30185A Datasheet, PDF (5/28 Pages) Panasonic Semiconductor – VIN = 2.9V to 5.5V 2ch,0.8A General-purpose High Efficiency Power LSI

AN30185A
ELECTRICAL CHARACTERISTICS (Continued)
V_IN = AVIN = PVIN1 = PVIN2 = 3.3V
[DC-DC1] Cout = 10 μF (GRM21BB31A106K[Murata] ) , Lout = 2.2 μH ( NR3012T2R2M[Taiyo Yuden] )
[DC-DC2] Cout = 10 μF (GRM21BB31A106K[Murata] ) , Lout = 2.2 μH ( NR3012T2R2M[Taiyo Yuden] )
T_a = 25 °C ± 2 °C unless otherwise noted.
Parameter
Symbol
Conditions
Reference values
Min Typ Max
[DC-DC1] (1.0 V DC/DC step-down regulator)
[DC-DC2] (1.8 V DC/DC step-down regulator)
Consumption current at standby
ISTB EN = 0 V
—
0
—
DC-DC1 line regulation
DC-DC2 line regulation
DC-DC1 load regulation
DD1 V_IN = 2.9 V → 5.5 V
REGIN I_OUT1 = 450 mA
DD2 V_IN = 2.9 V → 5.5 V
REGIN I_OUT2 = 500 mA
DD1
REGLD
I_OUT1 = 10 μA → 800 mA
—
6
—
—
8
—
—
10
—
DC-DC2 load regulation
DD2
REGLD
I_OUT2 = 10 μA → 800 mA
—
15
—
DC-DC1 output current limit
DD1
ILMT
FB1 = 1.0 V → 0.5 V
—
1.6
—
DC-DC2 output current limit
DD2
ILMT
FB2 = 1.8 V → 0.9 V
—
1.6
—
DC-DC1 efficiency 1
DC-DC1 efficiency 2
DC-DC1 efficiency 3
DC-DC1 efficiency 4
DC-DC2 efficiency 1
DC-DC2 efficiency 2
DC-DC2 efficiency 3
DC-DC2 efficiency 4
DC-DC1 output ripple voltage 1
DD1 V_IN = 3.3 V
EFF1 I_OUT1 = 10 mA
DD1 V_IN = 5 V
EFF2 I_OUT1 = 10 mA
DD1 V_IN = 3.3 V
EFF3 I_OUT1 = 450 mA
DD1 V_IN = 5 V
EFF4 I_OUT1 = 450 mA
DD2 V_IN = 3.3 V
EFF1 I_OUT2 = 10 mA
DD2 V_IN = 5 V
EFF2 I_OUT2 = 10 mA
DD2 V_IN = 3.3 V
EFF3 I_OUT2 = 500 mA
DD2 V_IN = 5 V
EFF4 I_OUT2 = 500 mA
DD1
VRPL1
I_OUT1 = 10 mA
—
77
—
—
71
—
—
80
—
—
77
—
—
86
—
—
80
—
—
85
—
—
84
—
—
30
—
DC-DC1 output ripple voltage 2
DD1
VRPL2
I_OUT1 = 450 mA
—
7
—
D-CDC2 output ripple voltage 1
DD2
VRPL1
I_OUT2 = 10 mA
—
30
—
DC-DC2 output ripple voltage 2
DD2
VRPL2
I_OUT2 = 500 mA
—
7
—
Unit ^Notes
μA *1
mV *1
mV *1
mV *1
mV *1
A *1
A *1
% *1
% *1
% *1
% *1
% *1
% *1
% *1
% *1
*1 ^mV[p-p]
*1 ^mV[p-p]
*1 ^mV[p-p]
*1 ^mV[p-p]
*1 ：Typical Value checked by design.
5
Ver. BEB