參數(shù)資料
型號: NCP1410
廠商: ON SEMICONDUCTOR
元件分類: DC/DC變換器
英文描述: 250 mA Sync-Rect PFM Step-Up DC-DC Converter with Low-Battery Detector
中文描述: 250毫安同步整流PFM升壓型DC - DC轉(zhuǎn)換器與低電池檢測器
文件頁數(shù): 4/16頁
文件大?。?/td> 126K
代理商: NCP1410
NCP1410
http://onsemi.com
4
PIN FUNCTION DESCRIPTIONS
Pin #
Symbol
Pin Description
1
FB
Output Voltage Feedback Input.
2
LBI
Low–Battery Detector Input.
3
LBO
Open–Drain Low–Battery Detector Output. Output is LOW when V
LBI
is
impedance during shutdown.
1.178 V. LBO is high
4
REF
1.190 V Reference Voltage Output, bypass with 150 nF capacitor if this pin is not loaded, bypass with
1.0 F if this pin is loaded up to 2.5 mA @ V
OUT
= 3.3 V.
5
SHDN
Shutdown Input. HIGH (
0.6 V) = operating; LOW (
0.3 V) = shutdown.
6
GND
Ground.
7
LX
N–Channel and P–Channel Power MOSFET Drain Connection.
8
OUT
Power Output. OUT provides bootstrap power to the IC.
_MAINSWOFD
Figure 2. Simplified Functional Diagram
GND
V
DD
+
V
OUT
SENSEFET
GND
+
V
DD
R
FB1
R
FB2
C
OUT
C
FB1
GND
V
DD
+
+
GND
+
+
CONTROL
LOGIC
_MAINSW2ON
_SYNSW2ON
Voltage
Reference
_SYNSWOFD
_ILIM
Chip
Enable
V
bat
C
SHDN
R
SHDN
SHDN
C
REF
REF
FB
V
bat
_V
REFOK
_PFM
_CEN
_PWGONCE
_ZCUR
M1
LBO
LX
OUT
L
LBI
M2
GND
PFM
ZLC
ILIM
5
1
4
2
20 mV
R
SENSE
6
8
7
3
相關(guān)PDF資料
PDF描述
NCP1411DMR2 Sync-Rect PFM Step-Up DC-DC Converter with Low-Battery Detector and Ring-Killer
NCP1411D Sync-Rect PFM Step-Up DC-DC Converter with Low-Battery Detector and Ring-Killer
NCP1411DMR2G Sync-Rect PFM Step-Up DC-DC Converter with Low-Battery Detector and Ring-Killer
NCP1411 Sync-Rect PFM Step-Up DC-DC Converter(帶有同步整流器的PFM升壓DC-DC轉(zhuǎn)換器)
NCP1417DMR2(中文) 200 mA DC-DC Step-up Converter with Dual Low Battery Protection(帶雙路低電池保護的200mA步升DC-DC轉(zhuǎn)換器)
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