ACT81460
Rev 1.0, 18-Dec-2018
BUCK1 AND BUCK2 ELECRICAL CHARACTERISTICS
(VSYS = 3.6V, TA = 25°C, unless otherwise specified)
PARAMETER
TEST CONDITIONS
MIN
2.7
0.6
0.4
TYP
MAX
5.5
UNIT
Input Operating Voltage Range
V
V
A
Output Operating Voltage Range Configurable in 50mV steps (Note 1)
3.6
Maximum Output Current
(Note 1)
Standby Supply Current, Low
Power Mode Enabled
VOUTBx >= 103% of setpoint, Regulator Enabled,
0.6
0.8
µA
V
OUTBx = 1.2V, No Load
Shutdown Current
Regulator Disabled
0.1
3
µA
%
VOUTBx > 1.2V, IOUT = 0.4A (PWM mode)
VOUTBx =< 1.2V, IOUT = 0.4A (PWM mode)
VOUTBx > 1.2V, IOUT = 1mA (PFM mode)
VOUTBx =< 1.2V, IOUT = 1mA (PFM mode)
VOUTBx > 1.2V, IOUT < 0.01mA (LPM on)
VOUTBx =< 1.2V, IOUT < 0.01mA (LPM on)
-3
-36
-4
VNOM
VNOM
VNOM
VNOM
VNOM
VNOM
36
4
mV
%
Output Voltage Accuracy
-48
-5
48
5
mV
%
-60
60
mV
VIN_B1 = 3.0V to 5.0V, 200mA, PWM Regulation.
(Note 2)
Line Regulation
0.08
%/V
Load Regulation
PWM mode, 0.1A to 0.4A. (Note 2)
0.1
92
3
%/A
Power Good Threshold
Power Good Hysteresis
VOUTBx Rising, relative to regulation point
VOUTBx Falling, relative to regulation point
88
96
%VNOM
%VNOM
Freq = 00, VIN = 3.6V, VOUTB1 = 1.8V. VOUTB2 = 1.2V,
Note 1
1.5
2.0
2.5
MHz
MHz
MHz
MHz
Freq = 01, VIN = 3.6V, VOUTB1 = 1.8V. VOUTB2 = 1.2V,
Note 1
Switching Frequency, PWM Mode
Freq = 10, VIN = 3.6V, VOUTB1 = 1.8V. VOUTB2 = 1.2V,
Note 1,2
Freq = 11, VIN = 3.6V, VOUTB1 = 1.8V
3.3
2.5
V
OUTB2 = 1.2V, Note 1,2
Soft-Start Ramp
10% to 90% VNOM
V/ms
µs
Tstart, Time from EN to POK
Time from enable to POK (92% VNOM)
Innovative PowerTM
ActiveSwitcherTM is a trademark of Active-Semi
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Copyright © 2018 Active-Semi, Inc.
11
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