Features: Low power consumptionNormal operation: 15 A max. (VIN = 6 V)Backup: 2.1 A max.• Voltage regulator Output voltage tolerance : ±2% Output voltage: Independently selectable in 0.1 V steps in the range of 2.3 V to 5.4 V• Two built-in voltage detectors (CS,RESET) Detection voltage...
S-8425: Features: Low power consumptionNormal operation: 15 A max. (VIN = 6 V)Backup: 2.1 A max.• Voltage regulator Output voltage tolerance : ±2% Output voltage: Independently selectable in 0.1 V ste...
SeekIC Buyer Protection PLUS - newly updated for 2013!
268 Transactions
All payment methods are secure and covered by SeekIC Buyer Protection PLUS.
Low power consumption
Normal operation: 15 A max. (VIN = 6 V)
Backup: 2.1 A max.
• Voltage regulator Output voltage tolerance : ±2% Output voltage: Independently selectable in 0.1 V steps in the range of 2.3 V to 5.4 V
• Two built-in voltage detectors (CS,RESET) Detection voltage tolerance: ±2% Detection voltage: Selectable in 0.1 V steps in the range of 2.4 V to 5.3 V (CS voltage detector) Selectable in 0.1 V steps in the range of 1.7 V to 3.4 V (RESET voltage detector)
• RESET release delay: 300 s min.
• Switching circuit for primary power supply and backup power supply configurable on one chip
• Efficient use of backup power supply possible
• Special sequence Backup voltage is not output when the primary power supply voltage does not reach the initial voltage at which the switch unit operates.
• Lead-free products

| Parameter | Symbol | Ratings | Unit | |
| Primary power supply input voltage | VIN | VSS−0.3 to VSS+18 | V | |
| Backup power supply input voltage | VBAT | VSS−0.3 to VSS+18 | V | |
| Output voltage of voltage regulator | VRO, VOUT, VCH | VSS−0.3 to VIN+0.3 | V | |
| CS output voltage | VCS | VSS−0.3 to VSS+18 | V | |
| RESET output voltage | VRESET | |||
| Power dissipation | PD | 8-Pin TSSOP | 300 | mW |
| 8-Pin SON(B) | 300 | |||
| Operating ambient temperature | Topr | −40 to +85 | ||
| Storage temperature | Tstg | −40 to +125 | ||
Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any conditions.
The S-8425 Series is a CMOS IC designed for use in the switching circuits of primary and backup power supplies on a single chip. It consists of three voltage regulators, two voltage detectors, a power supply switch and its controller, as well as other functions.
In addition to the function for switching between the primary and backup power supply, the S-8425 Series can provide microcontrollers with two types of voltage detection output signals corresponding to the power supply voltage.
Moreover, adopting a special sequence for switch control enables the effective use of the backup power supply, making this S-8425 IC ideal for configuring a backup system.