TEA2260 ST Microelectronics, Inc., TEA2260 Datasheet - Page 5

• Manufacturer Part Number: TEA2260
• Description: Switch Mode Power Supply Controller
• Manufacturer: ST Microelectronics, Inc.

RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
POWER SUPPLY
OSCILLATOR / PWM SECTION
ERROR AMPLIFIER SECTION
INPUT SECTION
CURRENT LIMITATION SECTION
V
V
V
Delta F
----------------------- -
Hyst V
I
I
Symbol
t
I
CC
CC
Symbol
CC
ON
CC
CC
BI
C2/C1
V
DV
I
I
R
C
V
V
I
I
I
I
A
F
T
V
I
I
(max)
OUT
OUT
I
F
V
V
V
I
I
DC2
CC2
OUT
OUT
(start) Starting Current (V
(over) Supply Current after Overvoltage Detection (V
F
BIN
V
REF
BIS
CC
SC
C1
C2
(start) Starting Voltage (V
(stop) Stopping Voltage (V
(max) Overvoltage Threshold on V
BE
IM1
IM2
oper
OSC
OSC
amb
VO
C2
ug
max
IN
IS
CC
IN
IM
CC
+
+
-
-
Hysteresis (V
Supply Current (V
Accuracy (R
Maximum Duty Cycle in Primary Regulation Mode
Open Loop Gain
Unity Gain Frequency
Short Circuit Output Current (Pin 7 connected to ground)
E Input Bias Current (Pin 6)
Internal Voltage Reference (connected to error amplifier input
and not directly accessible)
IN Input Threshold (Pin 2)
IS Input Threshold (Pin 1)
IN Input Bias Current
IS Input Bias Current
First Current Limitation Threshold
Second Current Limitation Threshold
Thresholds Difference V
Lock-out Threshold on Pin C2
Capacitor C2 Discharge Current
Capacitor C2 Charge Current
Maximum Input Bias Current (Pin 3)
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
Operating Ambient Temperature
OSC
CC
(start) - V
= 68k , C
CC
CC
CC
CC
= 12V)
increasing)
= 9V)
decreasing)
IM2
Parameter
CC
Parameter
OSC
- V
(Stop))
CC
C1)
(T
IM1
= 1nF)
amb
= 25
oC
, V
CC
CC
=12V, unless otherwise specified)
= 17V)
V
CC
0.047
0.047
Min.
2.34
2.25
558
837
Min.
0.47
9.3
6.4
2.4
0.6
50
15
26
1.5
-20
10
20
1
stop
Typ.
10.3
15.7
0.08
2.49
0.85
0.15
2.55
550
600
900
300
7.4
2.9
0.7
7.5
0.3
0.4
0.2
35
10
60
75
10
45
Typ.
2
2.5
12
1
1
V
Max.
11.3
2.64
2.85
642
963
8.4
1.4
1.2
15
42
70
CC
Max.
100
150
1.2
2.0
0.6
0.6
4.5
4.7
70
max
TEA2261/0
Unit
kHz
mA
mA
mA
mA
mV
mV
mV
dB
µA
µA
µA
µA
µA
µA
%
%
V
V
V
V
Unit
V
V
V
V
kHz
k
nF
µF
µF
o
V
A
A
A
A
V
C
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