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參數資料
| 型號： | SC1456 |
| 廠商： | Semtech Corporation |
| 英文描述： | Dual 150mA ULTRA LOW DROPOUT, LOW NOISE REGULATOR |
| 中文描述： | 雙150mA的超低壓降，低噪聲穩(wěn)壓器 |
| 文件頁數： | 1/5頁 |
| 文件大?。?/td> | 68K |
| 代理商： | SC1456 |
Dual 150mA ULTRA LOW DROPOUT,
LOW NOISE REGULATOR
2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
SC1456
PRELIMINARY - June 15, 2000
1
DESCRIPTION
The SC1456 contains two low dropout linear regulators
that operate from a +2.5V to +6V input range and
deliver up to 150mA. PMOS pass transistors allow a
low 110μA supply current per device to remain
independent of load, making these devices ideal for
battery operated portable equipment such as cellular
phones, cordless phones and personal digital
assistants.
Each device can be powered from a separate supply
voltage or the same supply voltage for maximum
flexibility. The output voltage of each device can be
preset or adjusted with an external resistor divider.
Other features include independant low powered
shutdown, short circuit protection, thermal shutdown
protection and reverse battery protection for each
regulator. The SC1456 comes in the tiny 10 lead MSOP
package.
FEATURES
Two guaranteed 150 mA outputs
Designed to operate with ceramic capacitors
Fixed or adjustable outputs
Very small external components
Low 75μV
output noise
Very low supply currents
Thermal overload protection
Reverse battery protection
Individual low power shutdown
Surface mount packaging (10 pin MSOP)
Full industrial temperature range
APPLICATIONS
Battery Powered Systems
Cellular Telephones
Cordless Telephones
Personal Digital Assistants
Portable Instrumentation
Modems
PCMCIA cards
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com
Part Number
SC1456XIMSTR
(1)(2)
Package
MSOP-10
ORDERING INFORMATION
Notes:
(1) Where X denotes voltage options - see table on page 4. Consult factory for other voltage options.
(2) Only available in tape and reel packaging. A reel contains 2500 devices.
TYPICAL APPLICATIONS
VOUT1 = PRESET
VOUT2 = PRESET
VIN2
VIN1
C1
C4
C2
C3
U1
SC1456
1
2
3
4
5
6
7
8
9
10
EN1
GND
SET1
OUT2
IN2
EN2
GND
SET2
OUT1
IN1
(OR VIN1)
VOUT1 (SEE EQUATION)
VOUT2 = PRESET
VIN1
VIN2
U1
SC1456
1
2
3
4
5
6
7
8
9
10
EN1
GND
SET1
OUT2
IN2
EN2
GND
SET2
OUT1
IN1
C1
C3
C4
C2
R1
R2
(OR VIN1)
Output Voltages Set Internally
Output 1 Set Externally and Output 2 Set Internally
≤
+
=
k
120
2
R
2
R
1
R
1
250
.
V
1
OUT
相關PDF資料 |
PDF描述 |
|---|---|
| SC1456XIMSTR | Dual 150mA ULTRA LOW DROPOUT, LOW NOISE REGULATOR |
| SC1457 | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| SC1457EVB | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| SC1457ISK-X.XTR | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| SC1457ISKX.XTRT | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SC1456_05 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Dual 150mA Ultra Low Dropout, Low Noise Regulator |
| SC1456XIMSTR | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Dual 150mA Ultra Low Dropout, Low Noise Regulator |
| SC1456XIMSTRT | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Dual 150mA Ultra Low Dropout, Low Noise Regulator |
| SC1457 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:150mA Ultra Low Dropout Regulator with Undervoltage Flag |
| SC1457EVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:150mA Ultra Low Dropout Regulator with Undervoltage Flag |
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