参数资料
型号: FH6333W-E
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO5
封装: SOT-25, 5 PIN
文件页数: 1/3页
文件大小: 116K
代理商: FH6333W-E
IC
PFM Step-Up DC-DC Converter
PFM升壓DCDC FH63 Series
1
Pin Configuration 管腳配置
DESCRIPTION & FEATURES
概述及特點
The
FH
63 Series
is a group of PFM controlled
step-up DC/DC converters.
The FH63 series employs
CMOS process and laser trimming technologies so as
to attain low power and high accuracy. By using an
externally connected transistor, coil, diode and
capacitor with the FH63, a very efficient step-up DC/DC
converter can be created.
With a high switching frequency of 400kHz, smaller
external components can be used thereby saving
valuable board space.
Both built-in and external transistor types include 5-pin
and 3-pin packages, which are provided with either a
CE (chip enable) function that reduces power
consumption during shut-down mode. or a VDD pin
function (separated power and voltage detect pins).
FH63系是PFM(頻)工作模式升壓型DC/DC轉
換器。採用COMS工藝和鐳射微調技術,達到低
電消耗、高精。該器件低應用于傳呼器時
多成為問題的轉換時的高頻雜訊。最大工作頻為
400kHz。由於內置開關電晶體,只需外置線圈、二
極體、電容器3種元件,可構建升壓電。
此外,還備有具備用以停止工作以此抑制電消耗
的CE(停機控制)功能、以及可用於反激電的、有
獨VDD端(將電源和檢測電壓端分開)的產品。
Input Voltage Range : 0.9V ~ 10V
Stand-by capability : IQ=6μA (Typ.)
Output voltage Range : 2.0V ~ 6.0V programmable in
100mV increments (±2.5%)
Output Current : More than 100mA
(VIN=2.0V, VOUT=3.3V)
High Efficiency : 80% (TYP.)
Low start up Voltage:0.9V(MAX)
Package :SC59 SOT25 SOT-89
工作電壓範圍:0.9V ~ 10V
極低的輸入電:典型值為 6A ;
輸出電壓範圍: 2.0V~6.0V( 步長 0.1V) ;
輸出電壓高精:± 2.5% ;
帶載能強:當 Vin=2.0V 且 Vout=3.3V 時
Iout=100mA ;
高效: 80%( 典型值 ) ;
啟動電壓低:最高值為 0.9V(負載電為 1mA 時);
封裝尺寸: SC59 SOT25 SOT-89
Applications
應用
Battery powered equipment
VRC、PDA、 Cellular phones, pagers Cameras, video
recorders
Critical P power supply monitoring
Portable equipment
電池供電設備的電源部分;
複機照相機攝像機VRC PDA 電動玩具及手持電
話等可擕式設備的電源部分;
要求提供電壓比電池所能提供電壓高的設備的電源
部分。
1
2
3
4
12
3
GND
VOUT
LX
G ND
NC
VOU T
EN
1 2 3 4
EXT
GND
1 2 3 4
1
3
2
GN D
V OUT
LX
12
3
4
5
Pin Description 管腳描述
No.
Symbol
Description 描述
1
Gnd
Ground 接地
2
LX
External Transistor Connection 開關引腳
3
VOUT
Output Voltage Monitor 升壓輸出引腳
4
EN
Chip Enable 功能開關
5
NC
No connect 無接
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