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ACT8870 Datasheet(PDF) 17 Page - Active-Semi, Inc

Part # ACT8870
Description  Advanced PMU for Microcontrollers and Solid State Drive Applications
PDF  38 Pages
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Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT8870 Datasheet(HTML) 17 Page - Active-Semi, Inc

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ACT8870QJ-T
REV 0 23-DEC-2016
Innovative PowerTM
ActiveSwitcherTM is a trademark of Active-Semi.
17
LDO2 AND LDO3 ELECTRICAL CHARACTERISTICS
(VIN_LDO23 = 5V, TA = 25°C, unless otherwise specified.)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Operating Voltage Range
2.4
5.5
V
Output Voltage Range – VSET
Configurable in 25mV steps
0.8
4.0
V
Output Voltage Accuracy
VIN_LDO23 - VLDOx_OUT > 0.4V
-1
VSET
1
%
Line Regulation
VIN_LDO23 - VLDOx_OUT > 0.4V
VIN_LDO23 = 2.8V to 5.5V
ILDOx_OUT = 1mA
0.007
% / V
Load Regulation
ILDOx_OUT = 1mA to 100mA, LDOx_ILIM=1X
-1
% / A
Power Supply Rejection Ratio
f = 1kHz, ILDOx_OUT = 20mA,
VLDOx_OUT = 1.8V
56
dB
f = 10kHz, ILDOx_OUT = 20mA,
VLDOx_OUT = 1.8V
45
f = 2.25MHz, ILDOx_OUT = 20mA,
VLDOx_OUT = 1.8V
55
Supply Current per Output
Regulator Disabled
0.02
1
µA
Supply Current per Output
Regulator Enabled, No load
15
µA
Soft-Start Period
VLDOx_OUT = 1.8V Setting (10% to 90%)
LDO23 SS_RAMP=00
LDO23 SS_RAMP=01
LDO23 SS_RAMP=10
LDO23 SS_RAMP=11
110
110
165
215
µs
VLDOx_OUT = 2.5V Setting (10% to 90%)
LDO23 SS_RAMP=00
LDO23 SS_RAMP=01
LDO23 SS_RAMP=10
LDO23 SS_RAMP=11
145
145
175
215
VLDOx_OUT = 3.3V Setting (10% to 90%)
LDO23 SS_RAMP=00
LDO23 SS_RAMP=01
LDO23 SS_RAMP=10
LDO23 SS_RAMP=11
200
200
210
235
Power Good Threshold
VLDOx_OUT Rising
91
93
95
%VNOM
Power Good Hysteresis
VLDOx_OUT Falling
3
%VNOM
Overvoltage Fault Threshold
VLDOx_OUT Rising
105
110
114
%VNOM
Overvoltage Fault Hysteresis
VLDOx_OUT Falling
3
%VNOM
Discharge Resistance
20
50
125
Ω
Dropout Voltage
ILDOx_OUT = 30mA
50
90
mV
Dropout Voltage
ILDOx_OUT = 50mA, LDOx_ILIM=01
90
150
mV
Dropout Voltage
ILDOx_OUT = 100mA, LDOx_ILIM=1x
180
310
mV
Dropout Voltage
ILDOx_OUT = 150mA VIN_LDO23 > 2.8
LDOx_ILIM=11
285
500
mV



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