L4981A STMicroelectronics, L4981A Datasheet - Page 5

• Manufacturer Part Number: L4981A
• Description: IC PFC CTRLR AVERAGE CURR 20DIP
• Manufacturer: STMicroelectronics

Specifications of L4981A

• Mode: Average Current
• Frequency - Switching: 100kHz
• Current - Startup: 100µA
• Voltage - Supply: 14.5 V ~ 19.5V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Switching Frequency: 115 KHz
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• For Use With: 497-5523 - EVAL BOARD FOR L4981
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-3634

ELECTRICAL CHARACTERISTICS (continued)
(*) Maximum package power dissipation limits must be observed.
SUPPLY VOLTAGE
OVER VOLTAGE PROTECTION COMPARATOR
OVER CURRENT PROTECTION COMPARATOR
CURRENT AMPLIFIER SECTION
OUTPUT SECTION
TOTAL STANDBY CURRENT SECTION
UNDER VOLTAGE LOCKOUT SECTION
LOAD FEED FORWARD
Symbol
V
V
I
V
V
V
SVR
I
V
V
V
19start
I
V
V
V
V
th OFF
I
9bias
GDRV
19on
V
I
th ON
offset
-I
I
LFF
3Hys
V
I
t
t
ipk
I
I
20H
CC
20L
t
19
CC
t
5H
thr
3
d
d
L
5L
5
th
r
f
5
I
Operating Supply Voltage
Rising Threshold Voltage
Hysteresis
Input Bias Current
Propagation delay to output
Threshold Voltage
Propagation delay to Output
Current Source Generator
Leakage Current
Input Offset Voltage
Input Bias Current
Open Loop Gain
Supply Voltage Rejection
Output High Voltage
Output Low Voltage
Output Source Current
Output Sink Current
Output Voltage Low
Output Voltage High
Output Voltage Rise Time
Output Voltage Fall Time
Voltage Clamp
Supply Current before start up
Supply Current after turn on
Operating Supply Current
Zener Voltage
Turn on Threshold
Turn off Threshold
Programmable Turn-on Threshold
Bias Current
Input Voltage Range
Parameter
V
V
V
V
V
1.1V
12V
V
V
I
V
I
V
V
I
I
V
C
C
I
V
Pin17 = Open
Pin20 = 1nF
(*)
Pin 15 to V
Pin15 to GND = 33K
V
V
V
V
CA OUT
CA OUT
SINK
SOURCE
SOURCE
OVP
OCP
IPK
IPK
MULT OUT
SENSE
MULT OUT
MULT OUT
MULT OUT
MULT OUT
IAC
CC
CC
IAC
6
6
OUT
OUT
= 1.6V
= 5.3V
= 15V
= 14V
= -0.1V
= -0.1V
= 0V, V
= 0V, V
= 250mA
= V
= V
= 1nF
= 1nF
V
= -0.5mA, V
= 0.5mA, V
= 0V
V
= 250mA
= 0mA
Test Condition
CC
thr
thr
CA OUT
= V
= 3.5V V
= 200mV
= -200mV
= 200mV,
CC
+100mV
-0.2V
COSC
CA-OUT
SENSE
= 220K
19V
only for L4981A
only for L4981B
= 0,
6V
IAC
= 3.5V
SENSE
IAC
= 3.5V
= 0V
= 0V
= 3.5V
-20mV
Min.
-500
11.5
14.5
10.6
180
V
6.2
1.6
65
70
68
13
20
2
2
9
ref
L4981A - L4981B
Typ.
0.05
12.5
15.5
250
100
200
5.1
0.4
0.5
0.3
85
50
90
10
10
50
30
16
12
25
10
12
70
1
8
+20mV
Max.
19.5
16.5
13.4
320
105
500
150
100
140
300
V
5.3
0.9
0.9
0.8
0.5
19
12
16
30
11
1
2
30
5
ref
2
Unit
mV
mV
mV
mA
mA
mA
mA
mA
nA
dB
dB
ns
ns
V
V
V
V
V
V
V
V
V
V
V
V
A
A
A
A
A
5/16
s
s