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APU1206 View Datasheet(PDF) - Advanced Power Electronics Corp

Part Name
Description
Manufacturer
APU1206
A-POWER
Advanced Power Electronics Corp A-POWER
APU1206 Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
APU1206/APU1207/APU1208/APU1209
PARAMETER
APU1207, APU1209
Ground Current - SD Activated
Enable Pin Input LO Voltage
Enable Pin Input HI Voltage
Enable Pin Input LO Current
Enable Pin Input HI Current
APU1207, APU1208
Flag Output Threshold Voltage
Flag Output Hysteresis Voltage
Flag Output Saturation Voltage
SYM
TEST CONDITION
IQ(SD)
VEN(L)
VEN(L)
Enable=Open
Regulator OFF (Note 4)
Regulator ON (Note 4)
VEN(L)=0V to 0.8V (Note 4)
VEN(L)=2V to Vin (Note 4)
VTH(FG)
VHYS
VF(SAT)
Output Ramping Up
Io=5mA
Io=500µA
MIN TYP MAX UNITS
0.01 1
µA
0.8
V
2
V
0.1
2
µA
100 600 µ A
5
%VO
0.8
%VO
400
mV
230
Note 1: Low duty cycle pulse testing with Kelvin con-
nections is required in order to maintain accurate data.
Note 2: Dropout voltage is defined as the minimum dif-
ferential voltage between VIN and VOUT required to main-
tain regulation at VOUT. It is measured when the output
voltage drops 1% below its nominal value.
Note 3: Ground current is the regulator quiescent cur-
rent plus the pass transistor current. The total current
from the supply is the sum of the load current plus the
ground pin current.
Note 4: The specification applies for the junction tem-
perature of 0 to +125.
PIN DESCRIPTIONS
PIN SYMBOL
PIN DESCRIPTION
VIN
The input pin of the regulator. Typically a large storage capacitor is connected from this pin
(All devices) to ground to insure that the input voltage does not sag below the minimum drop out voltage
during the load transient response. This pin must always be 0.6V higher than VOUT in order
for the device to regulate properly.
VOUT
The output of the regulator. A minimum of 2.2µF capacitor must be connected from this pin
(All devices) to ground.
Gnd
Ground pin. This pin must be connected to the lowest potential in the system and all other
(All devices) pins must be at higher potential with respect to this pin.
Enable
Enable pin. A low signal or left open on this pin shuts down the output. This pin must be tied
(APU1207, APU1209) HI or to VIN for normal operation.
Flag
An open collector output that switches low when the output voltage drops about 4% below
(APU1207, APU1208) its expected regulated voltage.
Adj
A resistor divider from this pin to the VOUT pin and ground sets the output voltage.
(APU1208, APU1209)
APPLICATION INFORMATION
Stability
The APU120X series of regulators require the use of an
output capacitor as part of the frequency compensation
in order to make the regulator stable. A minimum of 2.2µF
capacitance and the ESR in the range of 0.5 to 2Ω in-
sures the stability of the system.
Part Number
APU1206-18
APU1206-25
APU1206-33
APU1207-18
APU1207-25
APU1207-33
APU1208
APU1209
Output
Voltage
1.8V
2.5V
3.3V
1.8V
2.5V
3.3V
1.24V
1.24V
Table 1 - Output voltage vs. part number.
4/9
 

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