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Overview
| Topology | Push-Pull Converter symmetrical isolated |
| Input voltage | 2.25-5.5 V |
| Switching frequency | 100-1600 kHz |
| Output 1 | 16 V / 1.5 A |
Description
This application note gives out information on how to make a compact-design for a combination of signal and power isolation. There are several important points to achieve a proper design for isolation power supply that will be discussed in this app note. The board contains three independent lanes that show transformer and component selection for different requirements.
Features
- Push-pull driver for transformers
- Wide input voltage range: 2.25 V to 5.5 V
- High output drive: 1 A at 5 V supply
- Low RON 0.25 Ω max at 4.5 V supply
- Ultra-low EMI
- Spread spectrum clocking
- Precision internal oscillator options: 160 kHz (SN6505A) and 420 kHz (SN6505B)
- Synchronization of multiple devices with external clock input
- Slew-rate control
- 1.7 A Current-limit
- Low shutdown current: <1 µA
- Thermal shutdown
- Wide temperature range: –55°C to 125°C
- Small 6-Pin SOT23 (DBV) package
- Soft-start to reduce In-rush current
More information
Products
| Order Code | Datasheet | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (mA) | Type of Insulation | fswitch (kHz) | ∫Udt (Vµs) | NPRI : NSEC | L (µH) | VT (V (AC)) | L (mm) | W (mm) | H (mm) | Mount | VOut2 (V) | IOut2 (mA) | VOut3 (V) | IOut3 (mA) | VOut4 (V) | IOut4 (mA) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750316016 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PPTM Push-Pull Tiny Multi-Output Transformers | 5 V (DC) | 12.85 | 100 | Functional | 400 | 8.9 | 1:2.57:1.14 | 60 | 2500 | 11.63 | 12.6 | 3.68 | SMT | 5.7 | 200 | -5.7 | 200 | -12.85 | 95 | |
| 750316017 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PPTM Push-Pull Tiny Multi-Output Transformers | 5 V (DC) | 12.85 | 100 | Functional | 400 | 8.9 | 1.17:3:1 | 60 | 2500 | 11.63 | 12.6 | 3.68 | SMT | 4.27 | 200 | -4.27 | 200 | -12.85 | 95 | |
| 750316018 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PPTM Push-Pull Tiny Multi-Output Transformers | 5 V (DC) | 15.7 | 85 | Functional | 400 | 8.9 | 1:3.14:1.14 | 60 | 2500 | 11.63 | 12.6 | 3.68 | SMT | 5.7 | 200 | -5.7 | 200 | -15.7 | 85 | |
 | 750316668 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PPTM Push-Pull Tiny Multi-Output Transformers | 5 V (DC) | 12.85 | 100 | Functional | 400 | 8.9 | 1:2.57:1.14 | 60 | 2500 | 11.63 | 12.6 | 1.98 | SMT | 5.7 | 200 | -5.7 | 200 | -12.85 | 95 | |
| 750316669 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PPTM Push-Pull Tiny Multi-Output Transformers | 5 V (DC) | 12.85 | 100 | Functional | 400 | 8.9 | 1.17:3:1 | 60 | 2500 | 11.63 | 12.6 | 1.98 | SMT | 4.27 | 200 | -4.27 | 200 | -12.85 | 95 | |
| 750316670 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PPTM Push-Pull Tiny Multi-Output Transformers | 5 V (DC) | 15.7 | 85 | Functional | 400 | 8.9 | 1:3.14:1.14 | 60 | 2500 | 11.63 | 12.6 | 1.98 | SMT | 5.7 | 200 | -5.7 | 200 | -15.7 | 85 | |
| 750316671 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PPTM Push-Pull Tiny Multi-Output Transformers | 5 V (DC) | 15.7 | 100 | Functional | 400 | 8.9 | 1.17:3.67:1 | 60 | 2500 | 11.63 | 12.6 | 1.98 | SMT | 4.27 | 200 | -4.27 | 200 | -15.7 | 95 | |
| 750316019 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PPTM Push-Pull Tiny Multi-Output Transformers | 5 V (DC) | 15.7 | 100 | Functional | 400 | 8.9 | 1.17:3.67:1 | 60 | 2500 | 11.63 | 12.6 | 3.68 | SMT | 4.27 | 200 | -4.27 | 200 | -15.7 | 95 | |
 | 750316819 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PPTI Push-Pull Transformers | 5 V (DC) | 12 | 460 | Functional | 400 - 700 | 9 | 1:2.88 | 86 | 2500 | 8.3 | 12.6 | 4.1 | SMT | – | – | – | – | – | – | |
| 750316818 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PPTI Push-Pull Transformers | 5 V (DC) | 17 | 380 | Functional | 400 - 700 | 9 | 1:3.5 | 86 | 2500 | 8.3 | 12.6 | 4.1 | SMT | – | – | – | – | – | – | |
 | 750316769 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PPTI Push-Pull Transformers | 5 V (DC) | 15 | 250 | Functional | 300 - 620 | 9 | 1:3.45 | 350 | 2500 | 6.73 | 10.2 | 4.19 | SMT | – | – | – | – | – | – | |
| 750316770 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PPTI Push-Pull Transformers | 5 V (DC) | 12 | 280 | Functional | 300 - 620 | 9 | 1:2.91 | 350 | 2500 | 6.73 | 10.2 | 4.19 | SMT | – | – | – | – | – | – |
| Order Code | Datasheet | |
|---|---|---|
| 750316016 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. |
| 750316017 | SPEC |
| 750316018 | SPEC |
| 750316668 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. |
| 750316669 | SPEC |
| 750316670 | SPEC |
| 750316671 | SPEC |
| 750316019 | SPEC |
| 750316819 | SPEC |
| 750316818 | SPEC |
| 750316769 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. |
| 750316770 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. |
| Samples |
|---|
| Order Code | Datasheet | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (mA) | Type of Insulation | fswitch (kHz) | ∫Udt (Vµs) | NPRI : NSEC | L (µH) | VT (V (AC)) | L (mm) | W (mm) | H (mm) | Mount | VOut2 (V) | IOut2 (mA) | VOut3 (V) | IOut3 (mA) | VOut4 (V) | IOut4 (mA) | Samples |
|---|
