參數(shù)資料
型號: LT1109ACS8
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: Micropower DC/DC Converter Flash Memory VPP Generator Adjustable and Fixed 5V, 12V
中文描述: 2 A SWITCHING REGULATOR, 120 kHz SWITCHING FREQ-MAX, PDSO8
封裝: PLASTIC, SOIC-8
文件頁數(shù): 1/8頁
文件大小: 206K
代理商: LT1109ACS8
1
LT1109A
Micropower
DC/DC Converter
Flash Memory VPP Generator
Adjustable and Fixed 5V, 12V
U
A
O
PPLICATI
TYPICAL
Output Voltage
V
2V/DIV
SHUTDOWN
5V/DIV
500
μ
s/DIV
1109A TA03
12V
Output Current
OUTPUT CURRENT (mA)
0
O
13.0
12.5
12.0
11.5
11.0
10.5
10.0
50
100
150
200
1109A TA02
250
300
V
IN
= 4.5V
V
IN
= 5V
S
FEATURE
I
Uses Off-the-Shelf Inductors
I
Low Cost
I
8-Pin DIP or SO Package
I
Fixed 5V or 12V Output or Adjustable Version
I
Only Four External Components Required
I
360
μ
A Standby Current
I
Logic-Controlled Shutdown
U
S
A
O
PPLICATI
I
Flash Memory VPP
Generators
I
5V to 12V Converters
I
3.3V to 12V Converters
I
Disk Drives
I
PC Plug-In Cards
I
Peripherals
I
Battery-Powered Equipment
The LT1109A is a simple step-up DC/DC converter. The 8-
pin DIP or SOIC devices require only four external compo-
nents to construct a complete DC/DC converter. Current
drain is just 360
μ
A at no load, making the device ideal for
cost-sensitive applications where standby current must
be kept to a minimum.
The LT1109A-12 can deliver 12V at over 150mA from a 5V
supply, enough power to program four flash memory
chips simultaneously. The LT1109A-5 can deliver 5V at up
to 110mA from a 2V input. The devices feature a shutdown
pin that turns off the oscillator when taken low. The gated-
oscillator design requires no frequency compensation
components. High frequency 120kHz operation permits
the use of small surface mount inductors and capacitors.
D
U
ESCRIPTIO
All Surface Mount
Flash Memory VPP
Generator
+
SENSE
V
IN
PGND
GND
LT1109ACS8-12
SHUTDOWN
SW
MBRS130T3
8
3
1
7
4
5
C2
47
μ
F
20V
V
12V
L1*
33
μ
H
COILTRONICS CTX33-2
SUMIDA CD54-330LC
1 = PROGRAM
0 = SHUTDOWN
+
+V
IN
5V
C1
22
μ
F
10V
1109A TA01
**
*
**
相關(guān)PDF資料
PDF描述
LT1109ACS8-12 Micropower DC/DC Converter Flash Memory VPP Generator Adjustable and Fixed 5V, 12V
LT1109ACS8-5 Micropower DC/DC Converter Flash Memory VPP Generator Adjustable and Fixed 5V, 12V
LT1109A-12 Micropower DC/DC Converter Flash Memory VPP Generator Adjustable and Fixed 5V, 12V
LT1110CN8-12 Micropower DC-DC Converter Adjustable and Fixed 5V, 12V
LT1110CN8 Micropower DC-DC Converter Adjustable and Fixed 5V, 12V
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LT1109ACS812 制造商:XIL 功能描述:1109ACS8-12 NOTES
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