参数资料
型号: NCV887104D1R2G
厂商: ON Semiconductor
文件页数: 4/12页
文件大小: 0K
描述: IC REG CTRLR BST PWM CM 8-SOIC
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 374kHz
占空比: 95%
电源电压: 3.2 V ~ 40 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 150°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
NCV8871
ELECTRICAL CHARACTERISTICS ( ? 40 ° C < T J < 150 ° C, 3.2 V < V IN < 40 V, unless otherwise specified) Min/Max values are
guaranteed by test, design or statistical correlation.
Characteristic
Symbol
Conditions
Min
Typ
Max
Unit
GENERAL
Quiescent Current, Sleep Mode
Quiescent Current, Sleep Mode
Quiescent Current, No switching
Quiescent Current, Switching,
normal operation
I q,sleep
I q,sleep
I q,off
I q,on
V IN = 13.2 V, EN = 0, T J = 25 ° C
V IN = 13.2 V, EN = 0, ? 40 ° C < T J < 125 ° C
Into VIN pin, EN = 1, No switching
Into VIN pin, EN = 1, Switching
?
?
?
?
2.0
2.0
1.5
3.0
?
6.0
2.5
6.0
m A
m A
mA
mA
OSCILLATOR
Minimum pulse width
t on,min
90
115
140
ns
Maximum duty cycle
Switching frequency
Soft ? start time
Soft ? start delay
Slope compensating ramp
D max
f s
t ss
t ss,dly
S a
NCV887100
NCV887101
NCV887102
NCV887103
NCV887104
NCV887100
NCV887101
NCV887102
NCV887103
NCV887104
From start of switching with V FB = 0 until
reference voltage = V REF
NCV887100
NCV887101
NCV887102
NCV887103
NCV887104
From EN → 1 until start of switching with
V FB = 0
NCV887100
NCV887101
NCV887102
NCV887103
NCV887104
86
84
89
91
91
153
900
900
306
306
6.0
1.0
1.0
3.0
3.0
?
46
13
46
46
46
88
86
91
93
93
170
1000
1000
340
340
7.4
1.25
1.25
3.7
3.7
240
53
16
53
53
53
90
88
93
95
95
187
1100
1100
374
374
8.8
1.5
1.5
4.4
4.4
280
60
19
60
60
60
%
kHz
ms
m s
mV/ m s
ENABLE/SYNCHRONIZATION
EN/SYNC pull ? down current
EN/SYNC input high voltage
EN/SYNC input low voltage
EN/SYNC time ? out ratio
SYNC minimum frequency ratio
SYNC maximum frequency
Synchronization delay
Synchronization duty cycle
I EN/SYNC
V s,ih
V s,il
%t en
%f sync,min
f sync,max
t s,dly
D sync
V EN/SYNC = 5 V
From SYNC falling edge, to oscillator con-
trol (EN high) or shutdown (EN low), Per-
cent of typical switching period
Percent of f s
From SYNC falling edge to GDRV falling
edge
?
2.0
0
?
?
1.1
?
25
5.0
?
?
?
?
?
50
?
10
5.0
800
350
80
?
100
75
m A
V
mV
%
%
MHz
ns
%
CURRENT SENSE AMPLIFIER
Low ? frequency gain
Bandwidth
ISNS input bias current
A csa
BW csa
I sns,bias
Input ? to ? output gain at dc, ISNS v 1 V
Gain of A csa ? 3 dB
Out of ISNS pin
0.9
2.5
?
1.0
?
30
1.1
?
50
V/V
MHz
m A
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