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參數(shù)資料
| 型號： | NCP9001 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 1.5 MHz, 600 mA, High−Efficiency, Low Quiescent Current, Adjustable Output Voltage Step−Down Converter |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 192K |
| 代理商： | NCP9001 |
NCP9001
http://onsemi.com
3
PIN FUNCTION DESCRIPTION
Pin No.
TSOP5
UDFN6
Pin No.
Symbol
Function
Description
1
3
VIN
Analog Input
Power Supply Input for Analog V
CC
.
2
2, 4
GND
Analog/Power
Ground
Ground connection for the NFET Power Stage and the Analog Sections of
the IC.
3
1
EN
Digital Input
Enable for Switching Regulator. This pin is active high. Do not float this pin.
4
6
FB
Analog Input
Feedback voltage from the output of the power supply. This is the input to
the error amplifier.
5
5
LX
Analog Output
Connection from Power MOSFETs to the Inductor. For one option, an output
discharge circuit sinks current from this pin.
Figure 4. Pin Connections
(Top View)
1
2
3
5
4
VIN
GND
EN
LX
FB
PIN CONNECTIONS
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Minimum Voltage All Pins
V
min
0.3
V
Maximum Voltage All Pins (Note 2)
V
max
7.0
V
Maximum Voltage Enable, FB, LX
V
max
VIN + 0.3
V
Thermal Resistance, Junction
to
Air
R
JA
200
C/W
Operating Ambient Temperature Range
T
A
40 to 85
C
Storage Temperature Range
T
stg
55 to 150
C
Junction Operating Temperature
T
j
40 to 125
C
Latch
up Current Maximum Rating (T
A
= 85
°
C) (Note 4)
Lu
+/
100
mA
ESD Withstand Voltage (Note 3)
Human Body Model
Machine Model
Vesd
2.0
200
kV
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. Maximum electrical ratings are defined as those values beyond which damage to the device may occur at T
A
= 25
°
C.
2. According to JEDEC standard JESD22
A108B.
3. This device series contains ESD protection and exceeds the following tests:
Human Body Model (HBM) per JEDEC standard: JESD22
A114.
Machine Model (MM) per JEDEC standard: JESD22
A115.
4. Latchup current maximum rating per JEDEC standard: JESD78.
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