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LM337 – 3-Terminal Adjustable Negative Regulator

Features

Output voltage adjustable from -1.2V to -37V
1.5A output current guaranteed, -55°C to +150°C
Line regulation typically 0.01%/V
Load regulation typically 0.3%
Excellent thermal regulation, 0.002%/W
77 dB ripple rejection
Excellent rejection of thermal transients
50 ppm/°C temperature coefficient
Temperature-independent current limit
Internal thermal overload protection
P⁺ Product Enhancement tested
Standard 3-lead transistor package
Output is short circuit protected

LM137 Series Packages and Power Capability

		Rated	Design
Device	Package	Power	Load
		Dissipation	Current
LM137/337	TO-3 (K)	20W	1.5A
	TO-39 (H)	2W	0.5A
LM337	TO-220 (T)	15W	1.5A
LM337	SOT-223 (MP)	2W	1A

General Description

The LM137/LM337 are adjustable 3-terminal negative voltage regulators capable of supplying in excess of -1.5A over an output voltage range of -1.2V to -37V.

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Source : http://www.national.com/pf/LM/LM337.htm

Be the first to comment - What do you think? Posted by admin - June 2, 2007 at 12:30 pm

Categories: Circuit diagram Tags: Circuit diagram, Datasheets

LM350 – 3-Amp Adjustable Regulator

Source :: http://www.national.com/pf/LM/LM350.html

Features

•	Adjustable output down to 1.2V
•	Guaranteed 3A output current
•	Guaranteed thermal regulation
•	Output is short circuit protected
•	Current limit constant with temperature
•	P⁺ Product Enhancement tested
•	86 dB ripple rejection
•	Guaranteed 1% output voltage tolerance (LM350A)
•	Guaranteed max. 0.01%/V line regulation (LM350A)
•	Guaranteed max. 0.3% load regulation (LM350A)

General Description

The LM150 series of adjustable 3-terminal positive voltage regulators is capable of supplying in excess of 3A over a 1.2V to 33V output range.

Typical Application

Connection Diagram

Be the first to comment - What do you think? Posted by admin - May 30, 2007 at 2:51 pm

Categories: Power supply Tags: Datasheets, LM350T, Power supply, power_supply, regulator

LM324 – Low Power Quad Operational Amplifier

Features

ï¿½	Internally frequency compensated for unity gain
ï¿½	Large DC voltage gain 100 dB
ï¿½	Wide bandwidth (unity gain) 1 MHz (temperature compensated)
ï¿½	Wide power supply range: Single supply 3V to 32V or dual supplies ï¿½1.5V to ï¿½16V
ï¿½	Very low supply current drain (700 ï¿½A)-essentially independent of supply voltage
ï¿½	Low input biasing current 45 nA (temperature compensated)
ï¿½	Low input offset voltage 2 mV and offset current: 5 nA
ï¿½	Input common-mode voltage range includes ground
ï¿½	Differential input voltage range equal to the power supply voltage
ï¿½	Large output voltage swing 0V to V⁺ – 1.5V

General Description

The LM124 series consists of four independent, high gain, internally frequency compensated operational amplifiers which were designed specifically to operate from a single power supply over a wide range of voltages