參數(shù)資料
型號: IR2520
廠商: International Rectifier
英文描述: ADAPTIVE BALLAST CONTROL IC
中文描述: 自適應鎮(zhèn)流器控制IC
文件頁數(shù): 4/17頁
文件大?。?/td> 335K
代理商: IR2520
IR2520D(S)& (PbF)
4
www.irf.com
Lead Definitions
Symbol
Description
VCC
Supply voltage
COM
IC power and signal ground
FMIN
Minimum frequency setting
VCO
Voltage controlled oscillator input
LO
Low-side gate driver output
VS
High-side floating return
HO
High-side gate driver output
VB
High-side gate driver floating supply
1
2
3
4
I
VCC
COM
VCO
LO
VS
HO
VB
8
7
6
5
FMIN
Electrical Characteristics
V
CC =
V
BS =
V
BIAS
= 14V +/- 0.25V, C
LO
=C
HO
=1000pF, R
FMIN
= 82k
and T
A
= 25
°
C unless otherwise specified.
Symbol
Definition
Min.
Typ. Max. Units Test Conditions
V
VCO_RUN
VCO voltage when entering run mode
4.8
V
CSCF
Crest factor peak-to-average fault factor
5.0
N/A
V
S
offset = 0.5V
VS_
Maximum crest factor VS offset voltage
3.0
V
OFFSET_MAX
V
VCOSD
V
VCO
shutdown voltage
0.74
0.82
0.91
V
V
FMIN
FMIN lead voltage during normal operation
4.8
5.1
5.4
V
V
FMINFLT
FMIN lead voltage during fault mode
0
V
IBS1
VB current
30
70
— C
BS
=0.1uF,
V
S
=0V
IBS2
VB current
10
20
— VBS = 10V
Bootstrap FET
Minimum Frequency Setting Characteristics
Protection Characteristics
mA
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