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UC2860 Fiches technique(PDF) 2 Page - Texas Instruments

No de pièce UC2860
Description  Resonant Mode Power Supply Controller
Download  10 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

UC2860 Fiches technique(HTML) 2 Page - Texas Instruments

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UC1860
UC2860
UC3860
ELECTRICAL CHARACTERISTICS:
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Reference Section
Output Voltage
TA = 25°C, IO = 0
4.95
5.00
5.05
V
IO = 0, Over Temp
4.93
5.07
V
Line Regulation
10
≤ VCC ≤ 20V
2
15
mV
Load Regulation
0
≤ IO ≤ 10mA
2
25
mV
Output Noise Voltage*
10Hz
≤ f ≤ 10kHz
50
µVRMS
Short Circuit Current
VREF = 0V
-150
-15
mA
Error Amplifier Section
Input Offset Voltage
2.8
≤ VCM ≤ 4.5V
1
8
mV
Input Bias Current
50
500
nA
Open Loop Gain
dVO = 1.5V
60
80
dB
PSRR
10
≤ VCC ≤ 20V
70
100
dB
Output Low (VO-VIVFO)
-0.1
≤ IO ≤ 0.1mA
-8
0
8
mV
Output High (VO-VIVFO)
-0.5
≤ IO ≤ 0.5mA
1.9
2
2.1
V
Unity Gain Bandwidth*
RIN = 2k
4
5
MHz
Oscillator Section
Nominal Frequency*
1.0
1.5
2.0
MHz
dF/dIOSC*
100
≤ IVFO ≤ 500µA
2
3
4
GHz/A
*Guaranteed by design but not 100% tested.
Unless otherwise stated, all specifications apply for -55°C
≤ TA ≤ 125°C for the
UC1860, -25°C
≤ TA ≤ 85°C for the UC2860, 0 ≤ TA ≤ 70°C for the UC3860, VCC =
12V, CVFO = 330pF, IVFO = 0.5mA, C = 330pF, and R = 2.7k, TA = TJ.
DIL - 24 (TOP VIEW)
J or N Package
PLCC-28, LCC-28
(TOP VIEW)
Q or L Package
PIN PACKAGE FUNCTION
FUNCTION
PIN
S GND
1
IVFO
2
CVFO
3
RC
4
VREF
5
CMP IN (-)
6
CMP IN (+)
7
TRIG
8
OSC DSBL
9
CMP OUT
10
N/C
11, 12
OUT A
13
PGND
14
N/C
15
VCC
16
OUT B
17
N/C
18, 19
MODE
20
SFT STRT
21
RST DLY
22
UVLO
23
FLT (-)
24
FLT (+)
25
EA IN (+)
26
EA IN (-)
27
EA OUT
28
CONNECTION DIAGRAM
2


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