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參數資料
| 型號： | NCP1521AMUTBG |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | 1.5 MHz, 600 mA, High−Efficiency, Low Quiescent Current, Adjustable Output Voltage Step−Down Converter |
| 中文描述： | 0.6 A SWITCHING REGULATOR, 1800 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 2 X 2 MM, 0.65 MM PITCH, LEAD FREE, UDFN-6 |
| 文件頁數： | 3/17頁 |
| 文件大小： | 166K |
| 代理商： | NCP1521AMUTBG |
NCP1521
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 5. Pin Connections TSOP5
Figure 6. Pin Connections UDFN6
(Top View)
1
2
3
5
4
VIN
GND
EN
LX
FB
1
2
3
6
4
EN
GND
VIN
FB
GND
PIN CONNECTIONS
5
LX
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 toAir
TSOP5
UDFN6
R
JA
200
TBD
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
Latchup 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
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values
(not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage
may occur and reliability may be affected.
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 JESD22A108B.
3. This device series contains ESD protection and exceeds the following tests:
Human Body Model (HBM) per JEDEC standard: JESD22A114.
Machine Model (MM) per JEDEC standard: JESD22A115.
4. Latchup current maximum rating per JEDEC standard: JESD78.
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