APW7088 Просмотр технического описания (PDF) - Anpec Electronics
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APW7088 Datasheet PDF : 25 Pages
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APW7088
Electrical Characteristics (Cont.)
Refer to the typical application circuits. These specifications apply over VIN=12V, VOUT=1.2V and TA= -20 ~ 70°C, unless otherwise
specified. Typical values are at TA=25°C. The V5VCC is supplied by the internal regulator.
Symbol
Parameter
Test Conditions
APW7088
Unit
Min. Typ. Max.
POWER-ON-RESET (POR) AND OPERATION PHASE SELECTION
V5VCC_THR
5VCC Rising Threshold Voltage
5VCC POR Hysteresis
4.2
4.5
4.8
V
0.4 0.58 0.76
V
MODE Rising Threshold Voltage VMODE Rising
0.77
0.8
0.83
V
IMODE
MODE Pin Input Current
5VCC LINEAR REGULATOR
-100
-
+100
nA
VREG_5VCC
Output Voltage
Line Regulation
IO = 0A, VCC =8V
IO = 0A, VCC = 8V ~ 13.2V
4.75
5
5.25
V
-20
-
20
mV
Load Regulation
Current-Limit
IO = 3mA, VCC > 8V
5VCC = GND
-200
-
200
mV
20
30
-
mA
REFERENCE VOLTAGE
Accuracy
TA=25oC
Over temperature
-1
-
+1
%
-1.5
-
+1.5
IFB
FB Pin Input Current
VID0/1/2 Logic High Threshold
-100
-
+100
nA
1.2
-
-
V
VID0/1/2 Logic Low Threshold
-
-
0.5
V
VID0/1/2 Pull-high Current
-
1
-
µA
VPOK
POK Output Voltage
POK Accuracy
IO = 0~3mA, TA=25oC
IO = 0~3mA, Over temperature
-
1.5
-
V
-2
-
+2
%
-3
-
+3
POK Current-Limit
POK = GND
4
8
15
mA
POK Pull-Low Resistance
ERROR AMPLIFIER
IPOK = 5mA
-
70
100
Ω
DC Gain
Gain-Bandwidth Product
Slew Rate
RL = 10kΩ to the ground
-
85
-
dB
CL = 100pF, RL = 10kΩ to the ground
-
20
-
MHz
CL = 100pF, IO = ±400µA
-
8
-
V/µs
Upper Clamp Voltage
IO = 1mA
2.7
3.0
-
V
Lower Clamp Voltage
IO = -1mA
-
-
0.1
V
COMP Pull-Low Resistance
In fault or shutdown condition
-
2
-
kΩ
OSCILLATOR
FOSC
∆VOSC1/2
Oscillator Frequency
Oscillator Sawtooth Amplitude
Maximum Duty Cycle
255 300
345
kHz
-
1.5
-
V
85
88
-
%
Copyright © ANPEC Electronics Corp.
4
Rev. A.4 - Feb., 2009
www.anpec.com.tw
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