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参数资料
| 型号： | IR2156SPbF |
| 厂商： | International Rectifier |
| 英文描述： | BALLAST CONTROL IC |
| 中文描述： | 镇流器控制IC |
| 文件页数： | 4/24页 |
| 文件大小： | 497K |
| 代理商： | IR2156SPBF |
IR2156
(S) & (PbF)
4
www.irf.com
Electrical Characteristics
V
CC
= V
BS
= V
BIAS
= 14V +/- 0.25V, V
VDC
= Open, R
T
= 39.0k
, R
PH
= 100.0k
,
C
T
= 470 pF, V
CPH
= 0.0V, V
CS
= 0.0V,
V
SD
= 0.0V, C
LO, HO
= 1000pF, T
A
= 25
o
C unless otherwise specified.
Symbol Definition
Min.
Typ.
Max. Units Test Conditions
RPH Characteristics
I
RPHLK
Open circuit RPH pin leakage current
—
0.1
—
μ
A CT = 10V
V
RPHFLT
Fault-mode RPH pin voltage
—
0
—
mV SD
> 5.1V
or CS >1.3V
Oscillator, Ballast Control, I/O Characteristics
kHz
fosc Oscillator frequency
28
30
32
R
T
=33.0k
, V
VDC
= 5V
V
CPH
= Open
(Guaranteed by design)
fosc
Oscillator frequency
37.6
40
43.9
KHz
R
T
=40k, R
PH
= 100K
C
T
= 470pF
d
Oscillator duty cycle
—
50
—
%
V
CT+
Upper C
T
ramp voltage threshold
—
8.3
—
V
CT-
Lower C
T
ramp voltage threshold
—
4.8
—
V
CTFLT
Fault-mode C
T
pin voltage
—
0
— mV SD
> 5.1V
or CS >1.3V
only CT CAP should
beconnected to CT
t
DLO
LO output deadtime
—
2.0
—
usec
t
DHO
HO output deadtime
—
2.0
—
usec
K
R
DT
Internal deadtime resistor
—
3
—
V V
CC
= 14V
RT Characteristics
I
RTLK
Open circuit RT pin leakage current
—
0.1
—
μ
A CT = 10V
V
RTFLT
Fault-mode RT pin voltage
—
0
—
mV SD
> 5.1V
or CS >1.3V
Preheat Characteristics
I
CPH
CPH pin charging current
3.6
4.3 5.2
μ
A
VCPH=10V,CT=10V,
VDC=5V
V
CPHFLT
Fault-mode CPH pin voltage
—
0
—
mV SD
> 5.1V
or CS >1.3V
V
SDTH+
Rising shutdown pin threshold voltage
Protection Characteristics
—
5.1
—
V
V
SDHYS
Shutdown pin threshold hysteresis
— 450
—
mV
V
CSTH
Over-current sense threshold voltage
1.1 1.25
1.44
V
t
CS
Over-current sense propogation delay
— 160
—
nsec Delay from CS to LO
V
CSPW
Over-current sense minimum pulse width
—
135
—
nsec V
CS
pulse amplitude
= V
CSTH
+100mV
R
VDC
DC bus sensing resistor
7.5 10
14
k
V
CPH
>12V, VCT=0V
VDC= 7V
V
CPH-VDC
CPH to VDC offset voltage
10.3 10.9
11.4
V V
CPH
=open,V
VDC=
0V
V
OL
Gate Driver Output Characteristics
Low-level output voltage
—
0
105
Io = 0
mV
V
OH
High-level output voltage
—
0
100
V
BIAS
- Vo, Io = 0
tr
Turn-on rise time
—
110
150
tf
Turn-off fall time
—
55
100
ns
C
LO
= C
HO
=1nF
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