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參數資料
| 型號： | NCP1423DMR2G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | 400 mA Sync−Rect PFM Step−Up DC−DC Converter with True−Cutoff and Ring−Killer |
| 中文描述： | 1.2 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | LEAD FREE, MICRO PACKAGE, 10 PIN |
| 文件頁數： | 2/13頁 |
| 文件大小： | 163K |
| 代理商： | NCP1423DMR2G |
NCP1423
http://onsemi.com
2
Figure 1. Typical Operation Circuit
EN
REF
FB
GND
OUT
BAT
LX
ADEN
LBI
LBO
OFF
ON
OFF
ON
R1
R2
100k
5.6 H
10 F
C
IN
22 F
C
OUT
0.1 F
* Optional
*
Low battery
open drain output
Low battery
sense input
NCP1423
R4
R3
C1
PIN DESCRIPTION
Pin No.
Symbol
Description
1
EN
LowBattery Detector Input and Enable. With this pin pulled down below 0.5 V, the device will be disabled
and will enter shutdown mode
2
REF
1.195 V Reference Voltage Output, bypass with 0.1 F capacitor if this pin is not loaded, with a 1.0 F
bypassing capacitor, this pin can be loaded up to 2.5 mA @ V
OUT
= 3.3 V.
3
FB
Output Voltage Feedback Input
4
GND
Ground
5
OUT
Power Output. OUT provides bootstrap power to the IC
6
BAT
Battery supply input pin and connection for internal RingKiller
7
LX
NChannel and PChannel Power MOSFET Drain
8
ADEN
Auto Discharge Input
9
LBI
LowBattery Detector Input
10
LBO
OpenDrain LowBattery Detector Output. Output is Low when V
LBI
is < 500 mV.
LBO is high impedance shutdown
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Power Supply (Pin 6)
V
OUT
0.3, 6.0
V
Input / Output Pins (Pins 13,5,710)
V
IO
0.3, 6.0
V
Thermal Characteristics
Micro10 Plastic Package, Case 846B, T
A
= 25
°
C
Thermal Resistance JunctiontoAir
P
D
R
JA
480
250
mW
°
C/W
Operating Junction Temperature Range
T
J
40 to + 150
°
C
Operating Ambient Temperature Range
T
A
40 to + 85
°
C
Storage Temperature Range
T
stg
55 to +150
°
C
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.
NOTE: ESD data available upon request.
1. This device contains ESD protection and exceeds the following tests:
Human Body Model (HBM)
±
2.0 kV per JEDEC standard: JESD22A114.
Machine Model (MM)
±
200 V per JEDEC standard: JESD22A115.
2. The maximum package power dissipation limit must not be exceeded.
TJ(max)
TA
RJA
3. Latchup Current Maximum Rating:
±
150 mA per JEDEC standard: JESD78.
4. Moisture Sensitivity Level: MSL 1 per IPC/JEDEC standard: JSTD020A.
5. Measured on approximately 1 in sq of 1 oz Cu.
PD
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