TEA2260 データシートの表示（PDF） - STMicroelectronics
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TEA2260 Datasheet PDF : 11 Pages
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RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min.
Typ.
VCC
IOUT+
IOUT-
IOUT+
IOUT-
Foper
VIN
ROSC
COSC
C1
C2
C2/C1
Tamb
Power Supply
Positive Output Current (source current)
Negative Output Current (sink current)
Average Positive Output Current
Average Negative Output Current
Operating Frequency
Input Pulses Amplitude (Pin 2)
Oscillator Resistor Range
Oscillator Capacitor Range
Soft-starting Capacitor Range
Overload Integration Capacitor
Ratio C2/C1 (C2 must be ≤ C1)
Operating Ambient Temperature
VCC stop
12
10
1.5
2.5
20
0.47
0.047
1
0.047
1
1
-20
ELECTRICAL CHARACTERISTICS (Tamb = 25oC, VCC =12V, unless otherwise specified)
Symbol
Parameter
Min.
Typ.
POWER SUPPLY
VCC(start) Starting Voltage (VCC increasing)
VCC(stop) Stopping Voltage (VCC decreasing)
Hyst VCC Hysteresis (VCC(start) - VCC(Stop))
ICC(start) Starting Current (VCC = 9V)
ICC Supply Current (VCC = 12V)
VCC(max) Overvoltage Threshold on VCC
ICC(over) Supply Current after Overvoltage Detection (VCC = 17V)
OSCILLATOR / PWM SECTION
9.3
10.3
6.4
7.4
2.4
2.9
0.7
7.5
15
15.7
26
35
D-----e----l-F-t--a-----⋅---F-- Accuracy (ROSC = 68kΩ, COSC = 1nF)
10
tON max Maximum Duty Cycle in Primary Regulation Mode
50
ERROR AMPLIFIER SECTION
AVO Open Loop Gain
Fug Unity Gain Frequency
ISC Short Circuit Output Current (Pin 7 connected to ground)
IBE E Input Bias Current (Pin 6)
VREF
Internal Voltage Reference (connected to error amplifier input
and not directly accessible)
2.34
INPUT SECTION
VIN IN Input Threshold (Pin 2)
0.6
VIS IS Input Threshold (Pin 1)
IBIN IN Input Bias Current
IBIS IS Input Bias Current
CURRENT LIMITATION SECTION
VIM1 First Current Limitation Threshold
558
VIM2 Second Current Limitation Threshold
837
DVIM Thresholds Difference VIM2 - VIM1
VC2 Lock-out Threshold on Pin C2
2.25
IDC2 Capacitor C2 Discharge Current
ICC2 Capacitor C2 Charge Current
IBI(max) Maximum Input Bias Current (Pin 3)
60
75
550
2
0.08
2.49
0.85
0.15
0.3
0.4
600
900
300
2.55
10
45
0.2
TEA2261/0
Max.
VCC max
1.2
2.0
0.6
0.6
100
4.5
150
4.7
Unit
V
A
A
A
A
kHz
V
kΩ
nF
µF
µF
70
oC
Max.
Unit
11.3
V
8.4
V
V
1.4
mA
15
mA
V
42
mA
%
70
%
dB
kHz
mA
µA
2.64
V
1.2
V
V
µA
µA
642
mV
963
mV
mV
2.85
V
µA
µA
µA
5/11
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