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參數資料
| 型號： | NCP380HMU21AATBG |
| 廠商： | ON Semiconductor |
| 文件頁數： | 4/23頁 |
| 文件大小： | 622K |
| 描述： | IC CURRENT LIMIT SWITCH 6-UDFN |
| 標準包裝： | 3,000 |
| 功能： | 限流 |
| 檢測方法： | 高端 |
| 輸入電壓： | 2.5 V ~ 5.5 V |
| 電流 - 輸出： | 2.1A |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 6-UDFN 裸露焊盤 |
| 供應商設備封裝： | 6-uDFN（2x2） |
| 包裝： | 帶卷 (TR) |
NCP380, NCV380
http://onsemi.com
4
Table 4. ELECTRICAL CHARACTERISTICS
(Min & Max Limits apply for T
A
between 40癈 to +85癈 and T
J
up to +125癈 for V
IN
between 2.5 V to 5.5 V (Unless otherwise noted).
Typical values are referenced to T
A
= +25癈 and V
IN
= 5 V.)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
POWER SWITCH
R
DS(on)
Static Drain-source On-state
Resistance
DFN Package
TSOP Package
V
IN
= 5 V
40癈 < T
J
< 125癈
55
75
mW
2.5 V < V
IN
< 5.5 V
40癈 < T
J
< 125癈
110
V
IN
= 5 V
40癈 < T
J
< 125癈
70
95
mW
2.5 V < V
IN
< 5.5 V
40癈 < T
J
< 125癈
135
T
R
Output Rise Time
V
IN
= 5 V
C
LOAD
= 1 mF,
R
LOAD
= 100 W (Note 10)
0.3
1.0
1.5
ms
V
IN
= 2.5 V
0.2
0.65
1.0
T
F
Output Fall Time
V
IN
= 5 V
0.1
0.5
V
IN
= 2.5 V
0.1
0.5
ENABLE INPUT EN OR EN
V
IH
High-level Input Voltage
1.2
V
V
IL
Low-level Input Voltage
0.4
V
I
EN
Input Current
V
EN
= 0 V, V
EN
= 5 V
0.5
0.5
mA
T
ON
Turn On Time
C
LOAD
= 1 mF, R
LOAD
= 100 W (Note 11)
2.0
3.0
4.0
ms
T
OFF
Turn Off Time
1.0
3.0
ms
CURRENT LIMIT
I
OCP
Current-limit Threshold
(Maximum DC Output Current
I
OUT
Delivered to Load)
V
IN
= 5 V
R
ILIM
= 20 kW (Note 11)
1.02
1.20
1.38
A
R
ILIM
= 40 kW
(Notes 11 and 13)
0.595
0.700
0.805
Fixed 0.5 A (Note 12)
0.5
0.58
0.65
A
Fixed 1.0 A (Note 12)
1.0
1.15
1.3
Fixed 1.5 A (Note 12)
1.5
1.75
1.9
Fixed 2.0 A (Note 12)
2.0
2.25
2.5
Fixed 2.1 A (Note 12)
2.1
2.25
2.5
T
DET
Response Time to Short Circuit
V
IN
= 5 V
2.0
ms
T
REG
Regulation Time
1.8
3.0
4.0
ms
T
OCP
Overcurrent Protection Time
14
20
26
ms
REVERSE-VOLTAGE PROTECTION
V
REV
Reverse-voltage Comparator
Trip Point (V
OUT
V
IN
)
100
mV
T
REV
Time from Reverse-voltage
Condition to MOSFET Switch Off
& FLAG
Low
V
IN
= 5 V
4.0
6.0
9.0
ms
T
RREV
Re-arming Time
7.0
10
15
ms
UNDERVOLTAGE LOCKOUT
V
UVLO
IN Pin Low-level Input Voltage
V
IN
Rising
2.0
2.3
2.4
V
V
HYST
IN Pin Hysteresis
T
J
= 25癈
25
60
mV
T
RUVLO
Re-arming Time
7.0
10
15
ms
SUPPLY CURRENT
I
INOFF
Low-level Output Supply Current
V
IN
= 5 V, No Load on OUT, Device OFF
V
EN
= 0 V or V
EN
= 5 V
1.0
2.1
mA
I
INON
High-level Output Supply
Current
V
IN
= 5 V, Device Enable
2 A and 2.1 A Versions
1 A and 1.5 A Current Versions
0.5 A Current Version
90
80
70
mA
I
REV
Reverse Leakage Current
V
OUT
= 5 V, V
IN
= 0 V
T
J
= 25癈
1.0
mA
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