Texas Instruments SN6501

Overview

Topology	Push-Pull Converter symmetrical isolated
Input voltage	3-5.5 V
Switching frequency	620 kHz
Output 1	11 V / 0.25 A
IC revision	G

Description

The SN6501 is a monolithic oscillator/power-driver, specifically designed for small form factor, isolated power supplies in isolated interface applications. The device drives a low-profile, center-tapped transformer primary from a 3.3-V or 5-V DC power supply. The secondary can be wound to provide any isolated voltage based on transformer turns ratio.

The SN6501 consists of an oscillator followed by a gate drive circuit that provides the complementary output signals to drive the ground referenced N-channel power switches. The internal logic ensures break-before-make action between the two switches.

The SN6501 is available in a small SOT-23 (5) package, and is specified for operation at temperatures from –40&de;C to 125°C.

Features

Push-Pull Driver for Small Transformers
Single 3.3-V or 5-V Supply
High Primary-side Current Drive: 5-V Supply: 350 mA (Max)3.3-V Supply: 150 mA (Max)
Low Ripple on Rectified Output PermitsSmall Output Capacitors
Small 5-Pin SOT-23 Package

Typical applications

Isolated Interface Power Supply for CAN, RS-485,RS-422, RS-232, SPI, I2C, Low-Power LAN
Medical Equipment
Industrial Automation
Process Control

More information

Products

Order Code	Datasheet	Downloads	Status	Product series	V_IN	V_Out1 (V (DC))	I_Out1 (A)	Type of Insulation	f_switch (kHz)	∫Udt (Vµs)	N_PRI : N_SEC	L (µH)	V_T (V (AC))	L (mm)	W (mm)	H (mm)	Mount
760390013	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-PPTI (rev24d).IntLib \| 1.2 MB CDS Cadence_WE-PPTI (rev24d).zip \| 4.5 MB EAG Eagle_WE-PPTI (rev24d).lbr \| 135.4 KB CAD files ZIP IGS 250-1109 (rev1).IGS \| 1.3 MB STP 250-1109 (rev1).STEP \| 619.6 KB Electric models ZIP LT LTspice_WE-PPTI (rev24e).zip \| 24.1 KB PSP Pspice_WE-PPTI (rev24e).zip \| 22.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WE-PPTI Push-Pull Transformers	3.3 V (DC)	5	0.5	Functional	250 - 550	11	1:1.7	475	2500	6.73	10.2	4.19	SMT
760390015	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-PPTI (rev24d).IntLib \| 1.2 MB CDS Cadence_WE-PPTI (rev24d).zip \| 4.5 MB EAG Eagle_WE-PPTI (rev24d).lbr \| 135.4 KB CAD files ZIP IGS 250-1109 (rev1).IGS \| 1.3 MB STP 250-1109 (rev1).STEP \| 619.6 KB Electric models ZIP LT LTspice_WE-PPTI (rev24e).zip \| 24.1 KB PSP Pspice_WE-PPTI (rev24e).zip \| 22.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WE-PPTI Push-Pull Transformers	3.3 V (DC)	5	0.45	Functional	250 - 550	11	1:2	475	2500	6.73	10.2	4.19	SMT
760390011	SPEC	4 files EDA models: Components ZIP CDS Cadence_MID-PPTI (rev19a).zip \| 970.4 KB CAD files ZIP IGS 250-1109 (rev1).IGS \| 1.3 MB STP 250-1109 (rev1).STEP \| 619.6 KB Others ZIP WRL 250-1109 (rev1).wrl \| 96.1 KB Download all 4 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	Transformer	3.3 V (DC)	3.3	0.1	Functional	250 - 550	7	–	1000	1500	6.73	10.2	4.19	SMT
750313769	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-PPTI (rev24d).IntLib \| 1.2 MB CDS Cadence_WE-PPTI (rev24d).zip \| 4.5 MB EAG Eagle_WE-PPTI (rev24d).lbr \| 135.4 KB CAD files ZIP IGS 250-1123 (rev1).IGS \| 971.3 KB STP 250-1123 (rev1).STEP \| 477.6 KB Electric models ZIP LT LTspice_WE-PPTI (rev24e).zip \| 24.1 KB PSP Pspice_WE-PPTI (rev24e).zip \| 22.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WE-PPTI Push-Pull Transformers	3.3 V (DC)	5	0.6	Reinforced	250 - 550	10	1:1.7	340	5000	9.14	12.7	7.62	SMT
750313626	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-PPTI (rev24d).IntLib \| 1.2 MB CDS Cadence_WE-PPTI (rev24d).zip \| 4.5 MB EAG Eagle_WE-PPTI (rev24d).lbr \| 135.4 KB CAD files ZIP IGS 250-1123 (rev1).IGS \| 971.3 KB STP 250-1123 (rev1).STEP \| 477.6 KB Electric models ZIP LT LTspice_WE-PPTI (rev24e).zip \| 24.1 KB PSP Pspice_WE-PPTI (rev24e).zip \| 22.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WE-PPTI Push-Pull Transformers	3.3 V (DC)	5	0.5	Reinforced	250 - 550	10	1:2	340	5000	9.14	12.7	7.62	SMT
760390012	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-PPTI (rev24d).IntLib \| 1.2 MB CDS Cadence_WE-PPTI (rev24d).zip \| 4.5 MB EAG Eagle_WE-PPTI (rev24d).lbr \| 135.4 KB CAD files ZIP IGS 250-1109 (rev1).IGS \| 1.3 MB STP 250-1109 (rev1).STEP \| 619.6 KB Electric models ZIP LT LTspice_WE-PPTI (rev24e).zip \| 24.1 KB PSP Pspice_WE-PPTI (rev24e).zip \| 22.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WE-PPTI Push-Pull Transformers	5 V (DC)	5	0.75	Functional	300 - 620	11	1:1.1	475	2500	6.73	10.2	4.19	SMT
760390014	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-PPTI (rev24d).IntLib \| 1.2 MB CDS Cadence_WE-PPTI (rev24d).zip \| 4.5 MB EAG Eagle_WE-PPTI (rev24d).lbr \| 135.4 KB CAD files ZIP IGS 250-1109 (rev1).IGS \| 1.3 MB STP 250-1109 (rev1).STEP \| 619.6 KB Electric models ZIP LT LTspice_WE-PPTI (rev24e).zip \| 24.1 KB PSP Pspice_WE-PPTI (rev24e).zip \| 22.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WE-PPTI Push-Pull Transformers	5 V (DC)	5	0.6	Functional	300 - 620	11	1:1.3	475	2500	6.73	10.2	4.19	SMT
750313734	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-PPTI (rev24d).IntLib \| 1.2 MB CDS Cadence_WE-PPTI (rev24d).zip \| 4.5 MB EAG Eagle_WE-PPTI (rev24d).lbr \| 135.4 KB CAD files ZIP IGS 250-1123 (rev1).IGS \| 971.3 KB STP 250-1123 (rev1).STEP \| 477.6 KB Electric models ZIP LT LTspice_WE-PPTI (rev24e).zip \| 24.1 KB PSP Pspice_WE-PPTI (rev24e).zip \| 22.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WE-PPTI Push-Pull Transformers	5 V (DC)	5	0.8	Reinforced	300 - 620	10	1:1.1	340	5000	9.14	12.7	7.62	SMT
750313638	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-PPTI (rev24d).IntLib \| 1.2 MB CDS Cadence_WE-PPTI (rev24d).zip \| 4.5 MB EAG Eagle_WE-PPTI (rev24d).lbr \| 135.4 KB CAD files ZIP IGS 250-1123 (rev1).IGS \| 971.3 KB STP 250-1123 (rev1).STEP \| 477.6 KB Electric models ZIP LT LTspice_WE-PPTI (rev24e).zip \| 24.1 KB PSP Pspice_WE-PPTI (rev24e).zip \| 22.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WE-PPTI Push-Pull Transformers	5 V (DC)	5	0.65	Reinforced	300 - 620	10	1:1.3	340	5000	9.14	12.7	7.62	SMT
750313710	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-PPTI (rev24d).IntLib \| 1.2 MB CDS Cadence_WE-PPTI (rev24d).zip \| 4.5 MB EAG Eagle_WE-PPTI (rev24d).lbr \| 135.4 KB CAD files ZIP IGS 250-1109 (rev1).IGS \| 1.3 MB STP 250-1109 (rev1).STEP \| 619.6 KB Electric models ZIP LT LTspice_WE-PPTI (rev24e).zip \| 24.1 KB PSP Pspice_WE-PPTI (rev24e).zip \| 22.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WE-PPTI Push-Pull Transformers	5 V (DC)	3.3	0.65	Functional	250 - 620	11	1.23:1	475	2500	6.73	10.2	4.19	SMT

	Order Code	Datasheet
	760390013	SPEC
	760390015	SPEC
	760390011	SPEC
	750313769	SPEC
	750313626	SPEC
	760390012	SPEC
	760390014	SPEC
	750313734	SPEC
	750313638	SPEC
	750313710	SPEC

Samples

	Order Code	Datasheet	Downloads	Status	Product series	V_IN	V_Out1 (V (DC))	I_Out1 (A)	Type of Insulation	f_switch (kHz)	∫Udt (Vµs)	N_PRI : N_SEC	L (µH)	V_T (V (AC))	L (mm)	W (mm)	H (mm)	Mount	Samples

IC manufacturers (99)

Transformer Driver for Isolated Power Supplies