参数资料
型号: NCV8881PWR2G
厂商: ON Semiconductor
文件页数: 7/33页
文件大小: 321K
描述: IC REG TRPL BUCK/LINEAR 16SOIC
标准包装: 1
拓扑: 降压(降压)(1),线性(LDO)(2)
功能: 车载
输出数: 3
频率 - 开关: 170kHz
电压/电流 - 输出 1: 3.3 V ~ 8 V,1.5A
电压/电流 - 输出 2: 5V,100mA
电压/电流 - 输出 3: 8.5V,40mA
带 LED 驱动器:
带监控器:
带序列发生器:
电源电压: 5 V ~ 19 V
工作温度: -40°C ~ 150°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)裸露焊盘
供应商设备封装: 16-SOIC W
包装: 标准包装
其它名称: NCV8881PWR2GOSDKR
NCV8881
http://onsemi.com
7
SMPS REGULATOR
ELECTRICAL CHARACTERISTICS (V
VIN
 = 13.2 V, V
EN
 = 2.0 V, V
BST
 = V
SW
 + 8.2 V, C
BST
 = 0.1 mF, C
IN
 = 4.7 mF unless specified
otherwise) Min/Max values are valid for the temperature range 40癈 vT
J
 v 150 癈 unless noted otherwise, and are guaranteed by test,
design or statistical correlation.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
SOFTSTART
SoftStart Completion Time
t
SS
3
5
7
ms
VOLTAGE REFERENCE (FB Pin)
FB Voltage (COMP connected to FB)
V
FBR
T
J
 = 25癈
40癈 vT
J
 v 150癈
0.792
0.784
0.8
0.8
0.808
0.816
V
FB PIN MONITOR (SMPS Output Monitor)
FB Monitor High Threshold
V
FBMONH
V
FB
 increasing; Percent of V
FBR
91
95
99
%
FB Monitor Low Threshold
V
FBMONL
V
FB
 decreasing; Percent of V
FBR
89
93
97
%
FB Monitor Hysteresis
V
FBMONY
10
20
mV
FB Low to RESB Output Delay
t
FBLDLY
2.5
10
ms
ERROR AMPLIFIER
FB Bias Current
I
FBBIAS
V
FB
 = V
FBR
0.1
0.1
mA
DC Gain
A
V
(Note 7)
70
dB
GainBandwidth Product
GBW
(Note 7)
8
MHz
Slew Rate COMP Rising
V
FB
 = V
FBR
  25 mV, C
COMP
 = 50 pF,
I
COMP
 = 1 mA, V
COMP
 within ramp
voltage levels. (Note 7)
6
V/ms
Slew Rate COMP Falling
V
FB
 = V
FBR
 +25 mV, C
COMP
 = 50 pF,
I
COMP
 = 1 mA, V
COMP
 within ramp
voltage levels. (Note 7)
6
V/ms
COMP Source Current
I
SOURCE
V
COMP
 = 2.2 V
V
COMP
 = 3.2 V
1.5
1.8
4
4
10
10
mA
mA
COMP Sink Current
I
SINK
V
COMP
 = 2.2 V
V
COMP
 = 1.1 V
1.3
0.6
3
1.6
10
10
mA
mA
Ramp Peak Voltage
2.8
3.1
3.2
V
Ramp Valley Voltage
1.1
1.2
1.3
V
Ramp Amplitude
1.6
1.9
2.0
V
OSCILLATOR
Frequency
F
OSC
R
ROSC
 = open
ROSC = 36 kW
154
337
170
186
429
kHz
Maximum ROSC Controlled Frequency
F
OSCMAX
Resistor from ROSC to GND
500
700
850
kHz
ROSC Pin Voltage
V
ROSC
R
ROSC
 = open
0.970
1.02
1.080
V
SYNCHRONIZATION
Frequency Range
f
SYNCMX
(Note 7)
160
600
kHz
Synchronization Delay
t
SNCDLY
From rising SYNC edge
200
370
500
ns
DeSynchronization Delay
t
USNCDLY
From last rising SYNC edge;
ROSC = open
6.6
7.8
10
ms
Input Current
V
SYNC
 = 5.0 V
5
10
mA
SYNC Logic High Threshold
V
SNCTHH
2
V
SYNC Logic Low Threshold
V
SNCTHL
0.8
V
Response to Input Held High
Reverts to internal oscillator
(Note 7)
7. Guaranteed by design.
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