参数资料
型号: IRPLHID2
厂商: International Rectifier
文件页数: 8/30页
文件大小: 0K
描述: KIT DESIGN BALLAST IRS2573D
标准包装: 1
系列: *
主要目的: 照明,镇流器控制
嵌入式:
已用 IC / 零件: *
主要属性: *
次要属性: *
已供物品:
5.1 IRS2573D State and Timing Diagram
Power Turned On
FAULT Mode
Fault Latch Set
Full-Bridge Off (CT=0V)
Buck Off
IGN Timer Off (TIGN=0V)
CLK Off (TCLK=0V)
I QCC 350 A
VCC = 15.6V
All Counters Reset
VCC < UVLO-
(Power Off)
or
RST > VRST+
(Fault Reset)
UVLO Mode
Full-Bridge Off (CT=0V)
Buck Off (ICOMP, PCOMP,
TOFF=0V)
IGN Timer Off (TIGN=0V)
CLK Off (TCLK=0V)
I QCC 150 A
Fault and Good Counters Reset
Fault Latch Reset
VCC < UVLO-
(VCC Fault or Power Down)
VCC > UVLO+
and
VSENSE > VOV
and
RST < VRST-
IGN Mode
VOV(2/5) < VSENSE < VOV
and
PCOMP > 0.2V
and
ICOMP > 0.5V
VSENSE > VOV(2/5) for 787sec
(open circuit)
IGN (21s 'HIGH'/64s 'LOW')
Ignition Counter Enabled
Buck and Full-Bridge Enabled
CLK and Fault Counters Enabled
Good Counter Reset
VSENSE OVP Enabled
VSENSE < VOV(1/7.5) for 197sec
VSENSE > VOV(2/5)
VSENSE < VOV(2/5)
(short circuit or does not warm up)
or
VSENSE < VOV(1/7.5) for 16384 Events
Good Counter = 2730sec
(No faults detected)
GENERAL Mode
Full-Bridge Oscillating @ f BRIDGE
Buck Enabled
IGN 'LOW'
CLK and Fault Counters Enabled
VSENSE OVP Enabled
ISENSE Over-current Limitation Enabled
Constant Power Control Enabled
VSENSE > VOV
or
PCOMP < 0.2V
VSENSE < VOV(1/7.5)
or
ICOMP < 0.2V
Reset
Fault and Good
Counters
Reset
Good
Counter
VSENSE < VOV(2/5)
and
PCOMP > 0.2V
and
BUCK OFF Mode
Buck Off
Full-Bridge Oscillating
Fault Counters Enabled
ICOMP > 0.5V
Figure 5.2: IRS2573D state and timing diagram
5.2 Under-voltage Lockout (UVLO) Mode
The under-voltage lockout mode (UVLO) is defined as the state the IC is in when VCC is
below the turn-on threshold of the IC. The IC is designed to maintain an ultra-low supply
current during UVLO mode of 150uA, and to guarantee the IC is fully functional before
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