Datasheet Linear Technology LT1947

Manufacturer	Linear Technology
Series	LT1947

Adjustable Output TFT-LCD Triple Switching Regulator

Datasheets

PDF, 200 Kb, Revision: A, File uploaded: Sep 3, 2017

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	LT1947EMS#PBF	LT1947EMS#TRPBF	LT1947EMSE#PBF	LT1947EMSE#TRPBF
N	1	2	3	4
Package	MS-10 Package Outline Drawing	MS-10 Package Outline Drawing	MS-10E Package Outline Drawing	MS-10E Package Outline Drawing
Package Code	MS	MS	MSE	MSE
Package Index	05-08-1661	05-08-1661	05-08-1664	05-08-1664
Pin Count	10	10	10	10

Parameters / Models	LT1947EMS#PBF	LT1947EMS#TRPBF	LT1947EMSE#PBF	LT1947EMSE#TRPBF
Architecture	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode
Design Tools	LTspice Model	LTspice Model	LTspice Model	LTspice Model
Export Control	no	no	no	no
Frequency, kHz	3000	3000	3000	3000
Integrated Inductor	no	no	no	no
Ishutdown, µA	1	1	1	1
Isupply, mA	9.5	9.5	9.5	9.5
Monolithic	yes	yes	yes	yes
Number of Outputs	3	3	3	3
Operating Temperature Range, °C	0 to 85	0 to 85	0 to 85	0 to 85
Polyphase	no	no	no	no
Switch Current, A	1.4	1.4	1.4	1.4
Switch Current 2, A	0.6	0.6	0.6	0.6
Synchronous	no	no	no	no
Topology	Boost, Inverting	Boost, Inverting	Boost, Inverting	Boost, Inverting
Topology 1	Boost	Boost	Boost	Boost
Topology 2	Boost	Boost	Boost	Boost
Topology 3	Inverting	Inverting	Inverting	Inverting
Vin Max, V	8	8	8	8
Vin Min, V	2.7	2.7	2.7	2.7
Vin Min Startup, V	2.7	2.7	2.7	2.7
Vout Max, V	30	30	30	30
Vout Max 2, V	36	36	36	36
Vout Max 3, V	36	36	36	36
Vout Maximum	36V	36V	36V	36V
Vout Min, V	1.26	1.26	1.26	1.26
Vout Min 2, V	1.26	1.26	1.26	1.26
Vswitch Max, V	30	30	30	30

	LT1947EMS#PBF	LT1947EMS#TRPBF	LT1947EMSE#PBF	LT1947EMSE#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant

Series: LT1947 (4)

Power Management > Switching Regulator > LCD/CCD/OLED Bias
Power Management > Switching Regulator > Step-Up (Boost) Regulators > Internal Power Switch Boost