APU3146 View Datasheet(PDF) - Advanced Power Electronics Corp
Part Name
Description
Manufacturer
APU3146
Advanced Power Electronics Corp
APU3146 Datasheet PDF : 29 Pages
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APU3146
PARAMETER
Soft-Start Section
Charge Current
Power Good Section
VSENS1 Lower Trip Point
VSENS2 Lower Trip Point
PGood Output Low Voltage
Error Amp Section
Fb Voltage Input Bias Current
Transconductance 1
Transconductance 2
Error Amp Source/Sink Current
Input Offset Voltage for PWM1/2
VP2 Voltage Range
SYM
SSIB
PGFB1L
PGFB2H
IFB1
gm1
gm2
VOS(ERR)2
VP2
TEST CONDITION
SS=0V
VSENS1 Ramping Down
VSENS2 Ramping Down
ISINK=2mA
SS=3V
Fb to VREF
Note1
MIN TYP MAX UNITS
20 25
32 µA
0.8VREF 0.9VREF 0.95VREF V
0.8VREF 0.9VREF 0.95VREF V
0.1 0.5
V
-0.1
1400
1400
60 100
-5
0
0.8
-0.5
2300
2300
140
+5
1.5
µA
µmho
µmho
µA
mV
V
Oscillator Section
Frequency
Ramp Amplitude
Synch Frequency Range
Synch Pulse Duration
Freq
VRAMP
Rt(SET) to 30K
Note1
20% above free running freq
Note1
KHz
255
345
1.25
V
800 KHz
200 300
ns
Synch High Level Threshold
Synch Low Level Threshold
VOUT3 Internal Regulator
Output Voltage
Output Current
Protection Section
OVP Trip Threshold
OVP Fault Prop Delay
Current Limit Threshold
Current Source
Hiccup Duty Cycle
Hiccup High Level Threshold
Hiccup Low Level Threshold
Output Drivers Section
Rise Time
Fall Time
Dead Band Time
Max Duty Cycle
Min Duty Cycle
Min Pulse Width
Thermal Shutdown Trip Point
Thermal Shutdown Hysteresis
Note1
2
V
0.8
V
5.9 6.2
50
6.7
V
mA
OVP
OCSet
1.1VREF 1.15VREF 1.2VREF V
Output forced to 1.125VREF,Note1
5
µs
16 20
24 µA
Hiccup pin pulled high, Note1
5
%
Note1
2
V
0.8
V
Tr
Tf
TDB
DMAX
DMIN
Puls(min)
CL=1500pF, Figure 2
CL=1500pF, Figure 2
Figure 2
Fb=0.6V, FSW=300KHz
Fb=1V
FSW=300KHz, Note1
Note 1
18
50
ns
25
50
ns
50 100 ns
85
%
0
%
150
ns
140
C
20
C
Note 1: Guaranteed by design but not tested for production.
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