Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

TEA2019 Datasheet(PDF) 3 Page - STMicroelectronics

Part # TEA2019
Description  CURRENT MODE SWITCHING POWER SUPPLY CONTROL CIRCUIT
PDF  7 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TEA2019 Datasheet(HTML) 3 Page - STMicroelectronics

  TEA2019 Datasheet HTML 1Page - STMicroelectronics TEA2019 Datasheet HTML 2Page - STMicroelectronics TEA2019 Datasheet HTML 3Page - STMicroelectronics TEA2019 Datasheet HTML 4Page - STMicroelectronics TEA2019 Datasheet HTML 5Page - STMicroelectronics TEA2019 Datasheet HTML 6Page - STMicroelectronics TEA2019 Datasheet HTML 7Page - STMicroelectronics  
Zoom Inzoom in Zoom Outzoom out
 3 / 7 page
background image
ELECTRICAL OPERATING CHARACTERISTICS
Tamb =+25
oC, potentials referenced to ground (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
V
+
CC
Positive Supply Voltage
6.6
8
15
V
VCC
Negative Supply Voltage
–1
–3
–5
V
VCC(start)
Minimum positive supply voltage required for starting (V
+
CC rising)
6
6.6
V
VCC(stop) Minimum positive voltage below which device stops operating (V
+
CC falling)
4.2
4.9
5.6
V
∆ V+CC Hysteresis on V+CC Threshold
0.7
1.1
1.6
V
ICC(sb)
Standby Supply Current Before Starting [V
+
CC <VCC(start)]
1
1.6
mA
Vth (Ic)
Current Limitation Threshold Voltage (pin 12)
–1100 –1000
–880
mV
R(Ic)
Collector Current Sensing Input Resistance
1000
Ω
IS
Demagnetization Sensing Threshold
75
100
125
mV
Demagnetization Sensing Input Current (pin 5 grounded)
1
µA
τmax
Maximum Duty Cycle
70
80
%
AV
Error Amplifier Gain
50
I
+
I
Error Amplifier Input Current (non-inverting input) (pin 6)
2
µA
V(REF)
Internal Reference Voltage
2.3
2.4
2.5
V
∆V(REF)
∆T
Reference Voltage Temperature Drift
10
–4
V/
°C
TOSC
Oscillator Free-running Period ( R = 59k
Ω, C = 1.5nF)
60
65
70
µs
∆f
OSC
∆T
Oscillator Frequency Drift with Temperature (V
+
CC = + 8V)
0.05
%/
°C
∆fOSC
∆VCC
Oscillator Frequency Drift with V
+
CC (+ 8V < V
+
CC < + 14V)
0.5
%/V
ton(min)
Minimum Conducting Time (Ct = 1nF)
2
µs
SYNCHRONIZATION INPUT (pin 7)
Symbol
Parameter
Min.
Typ.
Max.
Unit
V7pp
Peak to Peak Sawtooth Voltage
0.5
2.5
V
R(7)
Input Impedance
20
k
Ω
PLL CHARACTERISTICS (see Test Circuit)
Symbol
Parameter
Min.
Typ.
Max.
Unit
Frequency Sensitivity
100
Hz/
µA
∆T
Capture Range (TOSC =64
µs Typ.)
TOSC -TSYN min
TSYN max -TOSC
5.5
4.5
8
8
µs
µs
SATURATION SENSING (pin 4)
Symbol
Parameter
Min.
Typ.
Max.
Unit
V(4)
Input Threshold
3.2
V
I(4)
Input Current (V4 > 3.2V)
50
µA
Input Internal Resistance
1
k
Ω
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min.
Typ.
Max.
Unit
V
+
CC
Positive Supply Voltage
8
V
VCC
Negative Supply Voltage
3
V
IO
Output Current
0.5
A
Foper
Operating Frequency
30
kHz
THERMAL DATA
Symbol
Parameter
Value
Unit
Rth (j-a)
Junction-ambient Thermal Resistance
80
°C/W
TEA2019
3/7



Html Pages

1 2 3 4 5 6 7


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com