Product overview
概要
The STEVAL-ISA144V1 product evaluation board provides the design engineer with a fully functional step-down switching regulator with an output current of up to 1.5 A. The L5983 integrates STMicroelectronics’ step-down switching regulator, together with all the external components required for a typical application. The rated voltage of the input capacitor and Schottky diode rectifier’s repetitive peak reverse voltage are both 25 V, making the board capable of covering the entire 2.9 V - 18 V input voltage range of the L5983 device.
The board features an external resistor divider (R1 and R2) designed for an output voltage of 3.3 V.
The output voltage can be set to a level from 0.6 V up to the rated voltage of the output capacitor (16 V).
The compensation network on the evaluation board allows the use of MLCC as output filter to keep the loop stable. The inductor saturation current and forward current of the Schottky diode are within the current limit values.
The switching frequency on the board is set to 500 kHz by means of the R5 resistor connected to pin Fsw.
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All features
- 1.5 A DC output current
- 2.9 V to 18 V input voltage
- Output voltage adjustable from 0.6 V to 16 V
- 250 kHz switching frequency, programmable up to 1 MHz
- Internal soft-start and inhibit
- Low dropout operation: 100% duty cycle
- Zero-load current operation
- Overcurrent and thermal protection
- VFQFPN8 3 mm x 3 mm package
- RoHS compliant
All resources
| Resource title | Latest update |
|---|
製品スペック (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 19 Sep 2016 |
19 Sep 2016
|
Evaluation Board Terms of Use (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 07 Oct 2020 |
07 Oct 2020
|
All resources
| Resource title | Latest update |
|---|
Board Manufacturing Specifications (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| ZIP | 19 Mar 2015 |
19 Mar 2015
|
BOM (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 19 Mar 2015 |
19 Mar 2015
|
Schematic Pack (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 19 Mar 2015 |
19 Mar 2015
|
品質 & 信頼性
| 製品型番 | Marketing Status | パッケージ | グレード | RoHSコンプライアンスグレード | WEEE Compliant | 材料宣誓書** |
|---|---|---|---|---|---|---|
| STEVAL-ISA144V1 |
量産中
|
CARD | インダストリアル | Ecopack2 | - |
|
STEVAL-ISA144V1
Package:
CARDMaterial Declaration**:
(**) st.comで提供している材料宣誓書は、パッケージ･ファミリ内で最も一般的に使用されているパッケージに基づく汎用ドキュメントの場合があります。そのため、特定の製品では100%正確ではない可能性があります。特定の製品情報については、セールスサポートまでお問い合わせください
サンプル & 購入
| 製品型番 | 販売代理店から購入 | STから購入 | コア製品 | 製品ステータス | サプライヤ | ECCN (US) | ECCN (EU) | Country of Origin | Board production status | Budgetary Price (US$)*/Qty | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| STEVAL-ISA144V1 | 1 distributors | Buy Direct | L5983 |
量産中
|
- | EAR99 | NEC | ITALY | - | 46.0 / 1 |
（*）概算用の希望小売単価（US$）です。現地通貨でのお見積りについては、STのセールス･オフィスまたは販売代理店までお問い合わせください。
