Datasheet Linear Technology LT1185 — Datenblatt

Hersteller	Linear Technology
Serie	LT1185

Low Dropout Regulator

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PDF, 188 Kb, Sprache: en, Datei hochgeladen: Sep 2, 2017, Seiten: 16
Low Dropout Regulator

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Verpackung

	LT1185CQ#PBF	LT1185CQ#TRPBF	LT1185CT#06PBF	LT1185CT#30PBF	LT1185CT#33PBF	LT1185CT#PBF	LT1185IQ#PBF	LT1185IQ#TRPBF	LT1185IT#06PBF	LT1185IT#30PBF	LT1185IT#31PBF	LT1185IT#PBF
N	1	2	3	4	5	6	7	8	9	10	11	12
Package	DDPAK-5 Paketumrisszeichnung	DDPAK-5 Paketumrisszeichnung	TO-220 Paketumrisszeichnung	TO-220 Paketumrisszeichnung	TO-220 Paketumrisszeichnung	TO-220 Paketumrisszeichnung	DDPAK-5 Paketumrisszeichnung	DDPAK-5 Paketumrisszeichnung	TO-220 Paketumrisszeichnung	TO-220 Paketumrisszeichnung	TO-220 Paketumrisszeichnung	TO-220 Paketumrisszeichnung
Package Code	Q	Q	T	T	T	T	Q	Q	T	T	T	T
Package Index	05-08-1461	05-08-1461	05-08-1421 (Flow 06)	05-08-1421 (Std)	05-08-1421 (Std)	05-08-1421 (Std)	05-08-1461	05-08-1461	05-08-1421 (Flow 06)	05-08-1421 (Std)	05-08-1421 (Std)	05-08-1421 (Std)
Pin Count	5	5	5	5	5	5	5	5	5	5	5	5

Parameter

Parameters / Models	LT1185CQ#PBF	LT1185CQ#TRPBF	LT1185CT#06PBF	LT1185CT#30PBF	LT1185CT#33PBF	LT1185CT#PBF	LT1185IQ#PBF	LT1185IQ#TRPBF	LT1185IT#06PBF	LT1185IT#30PBF	LT1185IT#31PBF	LT1185IT#PBF
Design Tools	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File
Discrete Pass Element	no	no	no	no	no	no	no	no	no	no	no	no
Dropout Voltage, V	0.67	0.67	0.67	0.67	0.67	0.67	0.67	0.67	0.67	0.67	0.67	0.67
Export Control	no	no	no	no	no	no	no	no	no	no	no	no
Features	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown
Ishutdown, µA	1	1	1	1	1	1	1	1	1	1	1	1
Isupply, mA	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5
Max Junction Temp, Deg	150	150	150	150	150	150	150	150	150	150	150	150
Number of Outputs	1	1	1	1	1	1	1	1	1	1	1	1
Operating Temperature Range, °C	0 to 70	0 to 70	0 to 70	0 to 70	0 to 70	0 to 70	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Output Current, A	3	3	3	3	3	3	3	3	3	3	3	3
Output Voltage	-Adj	-Adj	-Adj	-Adj	-Adj	-Adj	-Adj	-Adj	-Adj	-Adj	-Adj	-Adj
Theta JA	30В°C/W (Q), 50В°C/W (T)	30В°C/W (Q), 50В°C/W (T)	30В°C/W (Q), 50В°C/W (T)	30В°C/W (Q), 50В°C/W (T)	30В°C/W (Q), 50В°C/W (T)	30В°C/W (Q), 50В°C/W (T)	30В°C/W (Q), 50В°C/W (T)	30В°C/W (Q), 50В°C/W (T)	30В°C/W (Q), 50В°C/W (T)	30В°C/W (Q), 50В°C/W (T)	30В°C/W (Q), 50В°C/W (T)	30В°C/W (Q), 50В°C/W (T)
Type	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN
Vin Max, V	-4.2	-4.2	-4.2	-4.2	-4.2	-4.2	-4.2	-4.2	-4.2	-4.2	-4.2	-4.2
Vin Min, V	-35	-35	-35	-35	-35	-35	-35	-35	-35	-35	-35	-35
Vout Max, V	-2.4	-2.4	-2.4	-2.4	-2.4	-2.4	-2.4	-2.4	-2.4	-2.4	-2.4	-2.4
Vout Min, V	-34	-34	-34	-34	-34	-34	-34	-34	-34	-34	-34	-34

Öko-Plan

	LT1185CQ#PBF	LT1185CQ#TRPBF	LT1185CT#06PBF	LT1185CT#30PBF	LT1185CT#33PBF	LT1185CT#PBF	LT1185IQ#PBF	LT1185IQ#TRPBF	LT1185IT#06PBF	LT1185IT#30PBF	LT1185IT#31PBF	LT1185IT#PBF
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant

Anwendungshinweise

Herunterladen
Efficiency and Power Characteristics of Switching Regulator Circuits &mdash AN46
PDF, 2.6 Mb, Datei veröffentlicht: Nov 1, 1991
Efficiency varies for different DC/DC converters. This application note compares the efficiency characteristics of some of the more popular types. Step-up, step-down, flyback, negative-to-positive, and positive-to-negative are shown. Appended sections discuss how to select the proper aluminum electrolytic capacitor and explain power switch and output diode loss calculations.

Modellreihe

Serie: LT1185 (12)

LT1185CQ#PBF LT1185CQ#TRPBF LT1185CT#06PBF LT1185CT#30PBF LT1185CT#33PBF LT1185CT#PBF LT1185IQ#PBF LT1185IQ#TRPBF LT1185IT#06PBF LT1185IT#30PBF LT1185IT#31PBF LT1185IT#PBF

Herstellerklassifikation

Power Management > LDO Linear Regulators > Negative Linear Regulators (LDO)