L6520 STMICROELECTRONICS [STMicroelectronics], L6520 Datasheet - Page 6

• Manufacturer Part Number: L6520
• Description: Highly integrated ballast controller for TL and CFL
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Electrical characteristics
4
Table 5.
a. This is a preliminary version: all the parameters are subject to change
6/19
Supply voltage
Supply current
Timing and oscillator
Half bridge drivers
V
Symbol
df
V
df
t
CC(OFF)
I
t
I
ON,min
CC(ON)
ST-UP
DEAD
f
CCC
V
f
t
FPRE
IGN
V
f
I
RUN
PRE
PRE
V
INS
I
CC
D
CC
OL
Q
Z
/dt
/dt
HSD LSD Minimum half bridge on time
HSD LSD Output low voltage
FPRE
Electrical characteristics
V
Electrical characteristics
VCC
VCC
VCC
VCC
VCC
VCC
VCC
Pin
CC
= 16 V, T
Operating range
Turn-on threshold
Turn-off threshold
Zener voltage
Start-up current
Operating supply current
Quiescent current
Output duty cycle
Fixed dead time
HB run frequency
Max programmable
preheating frequency
Preheating time
HB instant start initial
frequency
Ignition time frequency sweep
rate
Frequency sweep rate after
overcurrent
FPRE current reference
A
= -25 °C to 85 °C, unless otherwise specified
Parameter
Doc ID 16998 Rev 3
After turn-on
I
Before turn-on, (V
No load
IDLE mode,
Run mode
(3)
T
R
R
R
FPRE connected to GND,
(4)
(4)
T
T
Iload = 300 mA
Z
AMB
AMB
AMB
FPRE
FPRE
FPRE
, T
, T
= 2 mA
AMB
AMB
= 25° C
= 25 °C
= 25 °C
= 24.9 kΩ
≥ 196 Ω ,
≥ 196 Ω ,
(a)
Test condition
= 25 °C
= 25 °C
(2)
(1)
(1)
(2)
CC
,
,
(4)
(4)
= 13 V)
, L6520
, L6521
(2)
Min. Typ. Max.
10.5
13.5
10.5 11.5 12.5
16.5 17.5 18.5
49.5
1.24 1.42
43.2
200
192
46
96
-2.75
-500
46.6 47.2
150
100
202
130
1.5
0.8
15
50
85
8
1
L6520, L6521
16.5
50.5
47.8
200
220
104
204
204
1.6
V
10
3
Z
kHz/ms
Hz/ms
Unit
kHz
kHz
kHz
kHz
mA
µA
µA
µA
µs
µs
%
V
V
V
V
V
s