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參數資料
| 型號： | GM1117-2.85ST3R |
| 廠商： | American Power Management Inc. |
| 英文描述： | 1.0A LOW DROPOUT PRECISION LINEAR REGULATORS |
| 中文描述： | 安培率低壓差線性穩壓精度 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 190K |
| 代理商： | GM1117-2.85ST3R |
High Efficiency Linear Regulators
Post Regulators for Switching Supplies
Microprocessor Supply
Description
GM1117 of positive adjustable and fixed regulators is de-
signed to provide 1.0A output with low dropout voltage per-
formance. On-chip trimming adjusts the reference voltage
to 1%. For usage on working in post regulators or micro-
processor power supplies, low voltage operation and fast
transient response are required.
Pin-to-pin compatible with the LT1086 family of regulators,
GM1117 is available in surface-mount SOT-223 and TO-
252 packages.
Application
Features
Adjustable or Fixed Output
Output Current of 1.0A
Dropout Voltage (Typical) 1.15V @ 1.0A
Line Regulation 0.2% max.
Load Regulation 0.4% max.
Fast Transient Response
Current Limit Protection
Thermal Shutdown Protection
TYPICAL APPLICATION CIRCUITS
Hard Drive Controllers
Battery Chargers
Adjustable Power Supply
(Adjustable Version)
VOUT
GND
VIN
GM1117-3.3
(Fixed Version)
G
M
1
7
V
0
.1
www.gammamicro.com
1
+
C1
10F
Tant
C2
10F
Tant. Min
V
= 3.3V
OUT
V > 4.75V
IN
VOUT
ADJ
VIN
+
C1
10F
Tant
C2
10F
Tant. Min
V
= 3.45V
OUT
V > 4.75V
IN
GM1117-Adj
R1
133W
1.0%
R2
232W
1.0%
2
3
1
2
3
1
Notes:
1. C1 needed if device is far from filter capacitors
2. C2 minimum value required for stability
V
R2
=
X (1 +
) + I
X
OUT
REF
ADJ
R2
R1
A
MICROELECTRONICS
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
Power Management
相關PDF資料 |
PDF描述 |
|---|---|
| GM1117-2.85ST3T | 1.0A LOW DROPOUT PRECISION LINEAR REGULATORS |
| GM1117-2.85TA3R | 1.0A LOW DROPOUT PRECISION LINEAR REGULATORS |
| GM1117-2.85TA3T | 1.0A LOW DROPOUT PRECISION LINEAR REGULATORS |
| GM1117-2.85TB3T | 1.0A LOW DROPOUT PRECISION LINEAR REGULATORS |
| GM1117-2.85TC3R | 1.0A LOW DROPOUT PRECISION LINEAR REGULATORS |
相關代理商/技術參數 |
參數描述 |
|---|---|
| GM11173.0ST3R | 制造商:GAMMA 制造商全稱:GAMMA 功能描述:1.0A LOW DROPOUT PRECISION LINEAR REGULATORS |
| GM1117-3.0ST3R | 制造商:GAMMA 制造商全稱:GAMMA 功能描述:1.0A LOW DROPOUT PRECISION LINEAR REGULATORS |
| GM11173.0ST3T | 制造商:GAMMA 制造商全稱:GAMMA 功能描述:1.0A LOW DROPOUT PRECISION LINEAR REGULATORS |
| GM1117-3.0ST3T | 制造商:GAMMA 制造商全稱:GAMMA 功能描述:1.0A LOW DROPOUT PRECISION LINEAR REGULATORS |
| GM11173.0TA3R | 制造商:GAMMA 制造商全稱:GAMMA 功能描述:1.0A LOW DROPOUT PRECISION LINEAR REGULATORS |
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