L4981AD013TR STMicroelectronics, L4981AD013TR Datasheet - Page 4

IC PFC CTRLR AVERAGE CURR 20SOIC

L4981AD013TR

Manufacturer Part Number
L4981AD013TR
Description
IC PFC CTRLR AVERAGE CURR 20SOIC
Manufacturer
STMicroelectronics
Datasheet

Specifications of L4981AD013TR

Mode
Average Current
Frequency - Switching
100kHz
Current - Startup
100µA
Voltage - Supply
14.5 V ~ 19.5V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Switching Frequency
115 KHz
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
For Use With
497-5523 - EVAL BOARD FOR L4981
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-4562-2
E-L4981AD013TR

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L4981A - L4981B
ELECTRICAL CHARACTERISTICS (Unless otherwise specified V
R
V
4/16
OSC
FEED
ERROR AMPLIFIER SECTION
REFERENCE SECTION
OSCILLATOR SECTION
SYNC SECTION (Only for L4981A)
FREQUENCY MODULATION FUNCTION (Only for L4981B)
SOFT START SECTION
Symbol
f
V
f
V
I
V
V
V
18max
V
I
I
18min
V
ref sc
V
V
-I
f
-I
I
I
18C
18D
I
12sat
I
V
V
osc
t
13H
16H
t
SS
13L
13
16
16L
IB
svp
W
= 24K , C
IO
13
ref
18
16
d
= GND, V
ref
ref
Input Offset Voltage
Input Bias Current
Open Loop Gain
Output High voltage
Output Low Voltage
Output Source Current
Output Sink Current
Reference Output Voltage
Load Regulation
Line Regulation
Short Circuit Current
Initial Accuracy
Frequency Stability
Ramp Valley to Peak
Charge Current
Discharge Current
Ramp Valley Voltage
Output Pulse Width
Sink Current with Low Output
Voltage
Source Current with High Output
Voltage
Low Input Voltage
High Input Voltage
Pulse for Synchronization
Maximum Oscillation Frequency
Minimum Oscillator Frequency
Soft Start Source Current
Output Saturation Voltage
IPK
SS
= 1 F, V
= 1V, V
Prameter
OVP
CA-OUT
= 1V, T
= 3.5V, V
J
= 25 C
ISENSE
V
V
I
V
I
V
V
–25 C < T
T
1mA
–25 C < T
12V
–25 C < T
V
T
12V
–25 C < T
V
V
50% Amplitude
V
V
V
V
V
I
V
I
V
V
V
–25 C < T
VA-OUT
VA-OUT
FREQ-MOD
FREQ-MOD
j
j
FEED
FEED
FEED
FEED
FEED
ref
COSC
COSC
SYNC
COSC
SYNC
COSC
FREQ-MOD
VRMS
VRMS
SS
3
= 25 C I
= 25 C
= 6V, I
= 0V
= 3V
= 0V
= 4.7V
= 5.5V
= 4.7V; V
= 5.5V; V
= 0.4V
= 4.5V
= 0V, V
= 3.5V
= 3.5V
= 0V
= 6.7V
= 4V (Pin 7)
= 2V (Pin 7)
V
V
= -0.5mA
= 0.5mA
I
ref
CC
CC
Test Condition
SS
= 360 A (Pin 16)
= 180 A (Pin 16)
J
J
J
J
J
= 0V (Pin 16) I
ref
< 85 C
< 85 C
< 85 C
< 85 C
< 85 C
= 2mA
10mA
= 0
19V
19V
LFF
VA-OUT
VA-OUT
= V
= 3.5V
= 3.5V
REF
CC
freq
, I
= 18V, C
AC
= 0
= 100 A, V
Min.
-500
4.97
5.01
0.45
800
5.5
4.7
0.9
0.3
0.4
3.5
70
20
85
80
85
60
OSC
2
4
1
= 1nF,
Typ.
0.55
11.5
1.15
100
100
100
100
100
-50
RMS
6.5
0.4
5.1
5.1
0.8
0.8
0.1
10
20
30
74
76
3
3
5
6
= 1V,
Max.
5.23
5.19
0.65
0.25
500
115
120
115
140
7.5
5.3
1.4
0.9
15
10
50
1
8
Unit
KHz
KHz
KHz
KHz
KHz
mV
mA
mA
mV
mV
mA
mA
mA
mA
mA
nA
dB
ns
V
V
V
V
V
V
V
V
V
A
s

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