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UA7527 Folha de dados(PDF) 4 Page - Unisonic Technologies

Nome de Peças UA7527
Descrição Electrónicos  POWER FACTOR CONTROLLER
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Fabricante Electrônico  UTC [Unisonic Technologies]
Página de início  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

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UA7527
Preliminary
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 6
www.unisonic.com.tw
QW-R114-003.b
ABSOLUTE MAXIMUM RATING (TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
30
V
Multiplier, Error Amp and Comparator Input Voltages
VIN
-0.3 ~ 6
V
Peak Drive Output Current
IOH, IOL
±500
mA
Output Clamping Diodes Current VO > VCC or VO < -0.3V
lCLAMP
±10
mA
Detect Clamping Diodes Current
lDET
±10
mA
Power Dissipation
PD
0.8
W
Junction Temperature
TJ
150
°C
Operating Temperature
TOPR
-25 ~ 125
°C
Storage Temperature
TSTG
-65 ~ 150
°C
Note:
Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
TEMPERATURE CHARACTERISTICS (-25°C ≤ TA ≤ 125°C)
PARAMETER
SYMBOL
RATINGS
UNIT
Temperature Stability for Reference Voltage (VREF)
∆VREF
20
mV
Temperature Stability for Multiplier Gain (K)
∆K/∆T
-0.2
%/°C
ELECTRICAL CHARACTERISTICS (VCC= 14V, -25°C ≤ TA ≤ 125°C, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNIT
UNDER VOLTAGE LOCKOUT SECTION
Start Threshold Voltage
VTH(ST)
VCC Increasing
10.5
11.5
12.5
V
UV lockout Hysteresis
HY(ST)
2
3
4
V
SUPPLY CURRENT SECTION
Start-up Supply Current
IST
VCC = VTH(ST) -0.2V
10
60
100
uA
Operating Supply Current
ICC
Output not switching
3
6
mA
Operating Current at OVP
ICC(OVP) VINV = 3V
1.7
4
mA
Dynamic Operating Supply Current
IDCC
50kHz, CI = 1nF
4
8
mA
ERROR AMPLIFIER SECTION
Voltage Feedback Input Threshold
VREF
IREF = 0mA, TA = 25°C
2.465
2.5
2.535
V
-25 ≤ TA ≤ 125°C
2.44
2.5
2.56
V
Line Regulation
∆VREF1 14V ≤ VCC ≤ 25V
0.1
10
mV
Temperature Stability of VREF (Note 1)
∆VREF3 -25 ≤ TA ≤ 125°C
20
mV
Input Bias Current
IB(EA)
-0.5
0.5
uA
Output Current
ISOURCE VM2 = 4V
-2
-4
mA
ISINK
VM2 = 4V
2
4
mA
Output Upper Clamp Voltage (Note 2)
VEAO(H) ISOURCE = 0.1mA
6
V
Output Lower Clamp Voltage (Note 3)
VEAO(L)
ISINK = 0.1mA
2.25
V
Large Signal Open Loop gain (Note 4)
GV
60
80
dB
Power Supply Rejection Ratio (Note 5)
PSRR
14V ≤ VCC ≤ 25V
60
80
dB
Unity Gain Bandwidth (Note 6)
GBW
1
MHz
Slew Rate (Note7)
SR
0.6
V/us
MULTIPLIER SECTION
Input Bias Current (Pin3)
IB (M)
-0.5
0.5
uA
M1 Input Voltage Range (Pin3)
∆VM1
0
3.8
V
M2 Input Voltage Range (Pin2)
∆VM2
VREF
VREF+2.5 V
Multiplier Gain (Note8)
K
VM1 = 1V, VM2 = 3.5V
0.36
0.44
0.52
1/V
Maximum Multiplier Output Voltage
VOMAX(M) VINV =0V, VM1 = 4V
1.65
1.8
1.95
V
Multiplier Gain Stability (Note 9)
∆K/∆T
-25 ≤ TA ≤ 125°C
-0.2
%/°C


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