| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| MAX638AESA | Fixed +5V output or adjuistable output with 2 resistors, CMOS step-down switching regulator. | Maxim-Integrated-Producs | Narrow SO | 8 | -40°C | 85°C | 291 K |
| MAX638AMJA | Fixed +5V output or adjuistable output with 2 resistors, CMOS step-down switching regulator. | Maxim-Integrated-Producs | CERDIP | 8 | -55°C | 125°C | 291 K |
| R1221N38AA-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.8V. Detector threshold (-Vdet) 3.0V. Oscillator frequency 300kHz | distributor | - | 6 | -40°C | 85°C | 218 K |
| R1221N38AB-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.8V. Detector threshold (-Vdet) 3.0V. Oscillator frequency 500kHz | distributor | - | 6 | -40°C | 85°C | 218 K |
| R1221N38AC-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.8V. Detector threshold (-Vdet) 3.0V. Oscillator frequency 300kHz | distributor | - | 6 | -40°C | 85°C | 218 K |
| R1221N38AD-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.8V. Detector threshold (-Vdet) 3.0V. Oscillator frequency 500kHz | distributor | - | 6 | -40°C | 85°C | 218 K |
| R1221N38AE-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.8V. Detector threshold (-Vdet) 3.0V. Oscillator frequency 300kHz | distributor | - | 6 | -40°C | 85°C | 218 K |
| R1221N38AF-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.8V. Detector threshold (-Vdet) 3.0V. Oscillator frequency 500kHz | distributor | - | 6 | -40°C | 85°C | 218 K |
| R1221N38AG-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.8V. Detector threshold (-Vdet) 3.0V. Oscillator frequency 300kHz | distributor | - | 6 | -40°C | 85°C | 218 K |
| R1221N38AH-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.8V. Detector threshold (-Vdet) 3.0V. Oscillator frequency 500kHz | distributor | - | 6 | -40°C | 85°C | 218 K |
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