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參數(shù)資料
| 型號(hào)： | NCP348MTTBG |
| 廠(chǎng)商： | ON SEMICONDUCTOR |
| 元件分類(lèi)： | MOSFETs |
| 英文描述： | Positive Overvoltage Protection Controller with Internal Low R_ON NMOS FET and Status FLAG |
| 中文描述： | HALF BRDG BASED MOSFET DRIVER, DSO10 |
| 封裝： | 2.50 X 2 MM, 0.50 MM PITCH, LEAD FREE, WDFN-10 |
| 文件頁(yè)數(shù)： | 4/12頁(yè) |
| 文件大小： | 285K |
| 代理商： | NCP348MTTBG |
NCP348
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS
(Min/Max limits values (40
°
C < T
A
< +85
°
C) and V
in
= +5.0 V. Typical values are T
A
= +25
°
C,
unless otherwise noted.)
Characteristic
Symbol
Conditions
Min
Typ
Max
Unit
Input Voltage Range
V
in
1.2
28
V
Undervoltage Lockout Threshold (Note 4)
UVLO
3.00
3.25
3.5
V
Undervoltage Lockout Hysteresis
UVLO
hyst
20
50
100
mV
Overvoltage Lockout Threshold (Note 4)
OVLO
V
in
rises up OVLO threshold
6.00
6.4
6.8
V
Overvoltage Lockout Hysteresis
OVLO
hyst
50
100
150
mV
V
in
versus V
out
Resistance
R
DS(on)
V
in
= 5.0 V, EN = GND,
Load connected to V
out
65
120
m
Disable Quiescent Current
Idd
dis
V
in
= 5.0 V, EN = 1.2 V,
Load connected to V
out
6.0
20
A
Supply Quiescent Current
Idd
No load. EN = 5.0 V
90
150
A
No load. EN = Gnd
170
250
A
UVLO Supply Current
Idd
uvlo
V
IN
= 2.9 V
70
100
A
FLAG
Output Low Voltage
Vol
flag
1.2 V < V
IN
< UVLO
Sink 50 A on/FLAG pin
20
400
mV
V
IN
> OVLO
Sink 1.0 mA on FLAG pin
400
mV
FLAG
Leakage Current
FLAG
leak
FLAG level = 5.0 V
1.0
nA
EN
Voltage High
Vih
1.2
V
EN
Voltage Low
Vol
0.4
V
EN
Leakage Current
EN
leak
EN = 5.0 V or GND
1.0
nA
TIMINGS
Startup Delay
ton
From V
in
> UVLO to V
out
=
0.3 V (See Figures 3 & 7)
30
55
70
ms
FLAG
Going Up Delay
tstart
From V
out
= 0.3 V to FLAG =
1.2 V (See Figures 3 & 9)
30
50
70
ms
Output Turn Off Time
toff
From V
in
> OVLO to V
out
< =
0.3 V (See Figures 4 & 8)
V
in
increasing from 5.0 V to
8.0 V at 3.0 V/ s
Rload connected on V
out
1.5
5.0
s
Alert Delay
tstop
From V
in
> OVLO to FLAG < =
0.4 V (See Figures 4 & 10)
V
in
increasing from 5.0 V to
8.0 V at 3.0 V/ s
Rload connected on V
out
1.0
s
Disable Time
tdis
From EN > = 1.2 V to
V
out
< 0.3 V
Rload = 5.0
(See Figures 5 & 12)
1.0
5.0
s
NOTE:
4. Additional UVLO and OVLO thresholds ranging from UVLO and from OVLO can be manufactured. Contact your ON Semiconductor
representative for availability.
Electrical parameters are guaranteed by correlation across the full range of temperature.
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