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参数资料
型号： LT1575CN8
厂商： LINEAR TECHNOLOGY CORP
元件分类： 基准电压源/电流源
英文描述： CAP ELECT 330UF 25V HC SMD
中文描述： ADJUSTABLE POSITIVE LDO REGULATOR, PDIP8
封装： 0.300 INCH, PLASTIC, DIP-8
文件页数： 1/20页
文件大小： 369K
代理商： LT1575CN8
1
LT1575/LT1577
Ultrafast Transient Response,
Low Dropout Regulators
Adjustable and Fixed
TYPICAL APPLICATIO
N
U
1
2
3
4
8
7
6
5
SHDN
V
IN
GND
OUT
IPOS
INEG
GATE
COMP
C2
1
μ
F
C5
220
μ
F
5V
GND
1575/77 TA01
V
3.3V
5A
R2
5
R1
7.5k
C4
1000pF
12V
LT1575-3.3
FOR T > 45
°
C:
C6 = 24
×
1
μ
F X7R
CERAMIC SURFACE
MOUNT CAPACITORS.
PLACE C6 IN THE
MICROPROCESSOR
SOCKET CAVITY
FOR T < 45
°
C:
C6 = 24
×
1
μ
F Y5V
CERAMIC SURFACE
MOUNT CAPACITORS.
*
Q1
IRFZ24
+
C3
10pF
C6*
24
μ
F
Ultrafast Transient Response 5V to 3.3V Low Dropout Regulator
(For Schematic Including Current Limit, See Typical Applications)
50mV/DIV
2A/DIV
100
μ
s/DIV
1575/77 TA02
Transient Response for
0.2A to 5A Output Load Step
I
Pentium
Processor Supplies
I
PowerPC
TM
Supplies
I
5V to 3.XXV or 3.3V to 2.XXV Microprocessor Supplies
I
GTL Termination
I
Low Voltage Logic Supplies
LT1575CN8/LT1575CS8
LT1575CN8-1.5/LT1575CS8-1.5
LT1575CN8-2.8/LT1575CS8-2.8
LT1575CN8-3.3/LT1575CS8-3.3
LT1575CN8-3.5/LT1575CS8-3.5
LT1575CN8-5/LT1575CS8-5
LT1577CS-ADJ/ADJ
LT1577CS-3.3/ADJ
LT1577CS-3.3/2.8
Consult factory for additional output voltage combinations available
in the LT1577.
Adjustable
1.5V Fixed
2.8V Fixed
3.3V Fixed
3.5V Fixed
5V Fixed
Adjustable, Adjustable
3.3V Fixed, Adjustable
3.3V Fixed, 2.8V Fixed
APPLICATIO
S
U
DESCRIPTIO
N
U
The LT
1575/LT1577 are single/dual controller ICs that
drive low cost external N-channel MOSFETs as source
followers to produce ultrafast transient response, low
dropout voltage regulators.
The LT1575/LT1577 achieve unprecedented transient-
load performance by eliminating expensive tantalum or
bulk electrolytic output capacitors in the most demanding
modern microprocessor applications. Precision-trimmed
adjustable and fixed output voltage versions accommo-
date any required microprocessor power supply voltage.
Selection of the N-channel MOSFET R
DS(ON)
allows very
low dropout voltages to be achieved.
Unique protection features include a high side current
limit amplifier that activates a fault protection timer
circuit. A multifunction Shutdown pin provides either
current limit time-out with latchoff, overvoltage protec-
tion, thermal shutdown or a combination of these func-
tions. The LT1575 is available in 8-pin SO or PDIP and the
LT1577 is available in 16-pin narrow body SO.
, LTC and LT are registered trademarks of Linear Technology Corporation.
I
UltraFast
TM
Transient Response Eliminates
Tantalum and Electrolytic Output Capacitors
I
FET R
DS(ON)
Defines Dropout Voltage
I
1% Reference/Output Voltage Tolerance Over
Temperature
I
Typical Load Regulation: 1mV
I
High Side Sense Current Limit
I
Multifunction Shutdown Pin with Latchoff
FEATURES
UltraFast is a trademark of Linear Technology Corporation.
Pentium is a registered trademark of Intel Corporation.
PowerPC is a trademark of IBM Corporation.
相关PDF资料
PDF描述
LT1575CS8-1.5 Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
LT1575CN8-1.5 Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
LT1575CN8-2.8 CAP ELECT 47UF 25V HC SMD
LT1575CN8-3.3 CAP ELECT 22UF 35V HC SMD
LT1575CN8-3.5 CAP ELECT 220UF 35V HC SMD
相关代理商/技术参数
参数描述
LT1575CN8#PBF 功能描述:IC REG CTRLR SGL POS ADJ 8-DIP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性晶体管驱动器 系列:- 产品培训模块:More Information on LDOs 标准包装:2,500 系列:- 类型:正，固定式 输出数:2 输出电压:2.8V，3.3V 电流 - 电源:12mA 输入电压:5 V ~ 22 V 工作温度:0°C ~ 70°C 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR)
LT1575CN8-1.5 功能描述:IC REG CTRLR SGL 1.5V 8-DIP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性晶体管驱动器 系列:- 产品培训模块:More Information on LDOs 标准包装:2,500 系列:- 类型:正，固定式 输出数:2 输出电压:2.8V，3.3V 电流 - 电源:12mA 输入电压:5 V ~ 22 V 工作温度:0°C ~ 70°C 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR)
LT1575CN8-1.5#PBF 功能描述:IC REG CTRLR SGL 1.5V 8-DIP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性晶体管驱动器 系列:- 产品培训模块:More Information on LDOs 标准包装:2,500 系列:- 类型:正，固定式 输出数:2 输出电压:2.8V，3.3V 电流 - 电源:12mA 输入电压:5 V ~ 22 V 工作温度:0°C ~ 70°C 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR)
LT1575CN8-2.8 功能描述:IC REG CTRLR SGL 2.8V 8-DIP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性晶体管驱动器 系列:- 产品培训模块:More Information on LDOs 标准包装:2,500 系列:- 类型:正，固定式 输出数:2 输出电压:2.8V，3.3V 电流 - 电源:12mA 输入电压:5 V ~ 22 V 工作温度:0°C ~ 70°C 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR)
LT1575CN8-2.8#PBF 功能描述:IC REG CTRLR SGL 2.8V 8-DIP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性晶体管驱动器 系列:- 产品培训模块:More Information on LDOs 标准包装:2,500 系列:- 类型:正，固定式 输出数:2 输出电压:2.8V，3.3V 电流 - 电源:12mA 输入电压:5 V ~ 22 V 工作温度:0°C ~ 70°C 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR)
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