參數(shù)資料
型號： NCP1562B
廠商： ON SEMICONDUCTOR
英文描述： High Performance Active Active Clamp/Reset PWM Controller Controller(高性能有效Active Clamp/Reset PWM控制器)
中文描述： 高性能主動有源鉗位/復(fù)位PWM控制器控制器（高性能有效有源鉗位/復(fù)位的PWM控制器）
文件頁數(shù)： 8/26頁
文件大?。?/td> 277K
代理商： NCP1562B
NCP1562A, NCP1562B
http://onsemi.com
8
ELECTRICAL CHARACTERISTICS
(continued)
(V
in
= 48 V, V
AUX
= 12 V, V
UVOV
= 2.3 V, V
EA
= open, V
CSKIP
= 0 V,
V
CS
= 0 V, V
SS
= open, R
T
= 13.3 k , C
AUX
= 10 F, C
T
= 470 pF, C
out1
= C
out2
= 100 pF, C
UVOV
= 0.01 F, C
CSKIP
= 6800 pF,
R
D
= 25 k , R
SYNC
= 5.0 k , C
REF
= 0.1 F, R
FF
= 29.4 k , C
FF
= 470 pF. For typical values T
J
= 25
°
C, for min/max values, T
J
is – 40
°
C to
125
°
C, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
SYNCHRONIZATION
Output Pulse Width
t
O(SYNC)
70
110
-
ns
Output Voltage High (R
SYNC
=
)
V
H(SYNC)
–
4.3
–
V
Sync Threshold Voltage (Note 5)
V
SYNC
3.5
–
–
V
Sync Input Pulse Width (V
SYNC
= 3.5 V)
t
SYNC
-
–
t
O(SYNC)min
ns
Maximum Sync Frequency (Note 5)
f
SYNC
–
–
1.0
MHz
Source Current (Note 5)
I
SYNC(D)
–
1.0
–
mA
SOFT-START/STOP
Charge Current (V
SS
= 1.6 V)
I
SS(C)
8.3
10.2
13.1
A
Discharge Current (V
UVOV
= 0 V, V
SS
= 1.6 V)
I
SS(D)
72
95
115
A
Soft-Stop Reset Voltage (V
FF
= 0 V)
V
reset(SS)
–
115
-
mV
OUTPUTS
Overlap Time Delay (Tested at 50% of Waveform)
Leading
Trailing
t
D(leading)
t
D(trailing)
37
72
45
90
-
-
ns
Output Voltage (I
OUT
= 0 mA, Note 5)
Low State
High State
V
OL
V
OH
–
11.8
–
–
0.25
–
V
Drive Resistance (FT ONLY)
OUT1 Sink (V
T
J
= 25 C
T
J
= –40 C to 125 C
OUT1 Source (V
T
J
= 25 C
T
J
= –40 C to 125 C
OUT2 Sink (V
T
J
= 25 C
T
J
= –40 C to 125 C
OUT2 Source (V
T
J
= 25 C
T
J
= –40 C to 125 C
RTCT
= 4.0 V, V
out1
= 1.0 V)
RTCT
= 2.5 V, V
out1
= 11 V)
RTCT
= 4.0 V, V
out2
= 1.0 V)
RTCT
= 2.5 V, V
out2
= 11 V)
R
SNK1
R
SRC1
R
SNK2
R
SRC2
–
–
–
–
–
–
–
–
2.8
–
4.7
–
11.4
–
11.6
–
3.6
5.03
5.75
7.45
12.7
20.0
13.5
20.0
Rise Time (10% to 90%, C
out1
= 2200 pF, C
out2
= 220 pF)
OUT1
OUT2
t
r1
t
r2
–
–
26
19
–
–
ns
Fall Time (90% to 10%, C
out1
= 2200 pF, C
out2
= 220 pF)
OUT1
OUT2
t
f1
t
f2
–
–
10
10
–
–
ns
PWM COMPARATOR
Input Resistance
R
IN(VEA)
11
25
58
k
Lower Input Threshold
V
EA(L)
0.48
0.83
1.04
V
Delay to Output (From V
OH
to 0.5 V
OH
)
t
PWM
–
100
–
ns
5. Guaranteed by design only.
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