参数资料
型号: NCP1652L48VGEVB
厂商: ON Semiconductor
文件页数: 3/34页
文件大小: 0K
描述: BOARD EVAL 100W 48V NCP1652 PFC
产品变化通告: 1Q2012 Discontinuation 30/Mar/2012
标准包装: 1
系列: *
其它名称: NCP1652L48VGEVB-ND
NCP1652L48VGEVBOS
NCP1652, NCP1652A
CT
Adj.
Jitter
Jitter
FB
+
FB overload
comparator
+
?
V OVLD
Overload
Timer
t OVLD
Enable
S
Q
R
OVLD
FFBrown ? Out
V BO
Reset
Oscillator
DC Max
Sawtooth
Ramp. Comp.
Clock
DC Max
Ramp Comp
V FF
+
V
Comparator
?
+
BO
Out x2
Enable
counter
Dual HV
start ? up
current source
Startup
Adj.
V CC(off) HV current
CCOK
Ramp
Comp
+
AC In skip
comparator
V
Reset
Reset
Start
V CC
Management
V DD
GND
V DD
+
?
V SSKIP(sync)
Soft ? skip Ramp
Clock
V DD
Output
Driver
FB
R
+
FB skip
Comparator
+
?
Delay
t SSKIP
Start
Terminate
DC Max
Delay
Adj.
OUTB
+
AC IN
+
V SSKIP
Transient Load Detect
Comparator
?
Ramp Comp
V SSKIP(TLD)
Inst. current B
+
?
S
Q
R
Output
Driver
Delay
OUTA
FB
FB
V ? to ? I
V ? to ? I
21.33k W
PWM Skip
Comparator
V FF
Reference
Generator
V FF
+
?
gm
AC error
Amplifier
V ? to ? I
+ inverter
21.33k W
+
?
PWM
comparator
+
V CC
CM
4V
OVLD
Latch
BO
V CC OK
Inst. current A
Blanking
t LEB
gm
I spos
AC COMP
V DD
I latch(clamp)
OVP Comparator
+
?
+
V latch(high)
blanking
Inst.
current B
Blanking
t LEB
Current sense
amplifier
I avg
t Latch (delay)
Latch ? Off
OTP Comparator
I latch(shdn)
+
?
+
S
Q
R
Latch
Delay
R delay
V latch(clamp)
V latch(low)
Reset
Figure 2. Detailed Block Diagram
http://onsemi.com
3
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