Automotive, 125°C Operation, 36 V Input, 250 mA, Built-in Window Watchdog Timer, Voltage Regulator with Reset Function S-19514/19515 Series

Describe:

The S-19514/19515 Series, developed by using high-withstand voltage CMOS technology, is a low dropout positive voltage regulator with the window watchdog timer and the reset function, which has high-withstand voltage. The monitoring time of watchdog timer can be adjusted by an external capacitor. Moreover, a voltage detection circuit which monitors the output voltage is also prepared.

Features:

Regulator block

• Output voltage: 3.3 V, 5.0 V

• Input voltage: 3.0 V to 36.0 V

• Output voltage accuracy: ±2.0% (Tj = −40°C to +150°C)

• Dropout voltage: 100 mV typ. (5.0 V output product, IOUT = 100 mA)

• Output current: Possible to output 250 mA (VIN = VOUT(S) + 1.0 V)*1

• Input and output capacitors: A ceramic capacitor of 1.0 μF or more can be used.

• Built-in overcurrent protection circuit: Limits overcurrent of output transistor.

• Built-in thermal shutdown circuit: Detection temperature 170°C typ.

Detector block

• Detection voltage: 2.6 V to 4.7 V, selectable in 0.1 V step

• Detection voltage accuracy: ±2.0% (Tj = −40°C to +150°C)

• Hysteresis width: 0.12 V min.

• Release delay time is adjustable*2: 20 ms typ. (CDLY = 10 nF)

Watchdog timer block

• Watchdog activation current is adjustable: 1.5 mA typ. (WADJ pin is open)

• Watchdog trigger time is adjustable*2: 46 ms typ. (CDLY = 10 nF)

• Product type is selectable: 

S-19514 Series (Product with WEN pin (Output: WO / RO pin)) 

S-19515 Series (Product without WEN pin (Output: WO pin and RO pin))

• Autonomous watchdog operation function: Watchdog timer operates due to detection of load current.

• Watchdog mode: Window mode

Overall

• Current consumption: 3.0 μA typ. (During watchdog timer deactivation)

5.0 μA typ. (During watchdog timer activation)

• Operation temperature range: Ta = −40°C to +125°C

• Lead-free (Sn 100%), halogen-free

• Withstand 45 V load dump

• AEC-Q100 qualified*3

Applications:

• Constant-voltage power supply for automotive electric component, monitoring of microcontroller 

Automotive, 125°C Operation, 36 V Input, 500 mA, Built-in Window Watchdog Timer, Voltage Regulator with Reset Function S-19516/S-19517 Series

Describe:

The S-19516/19517 Series, developed by using high-withstand voltage CMOS technology, is a low dropout positive voltage regulator with the window watchdog timer and the reset function, which has high-withstand voltage. The monitoring time of watchdog timer can be adjusted by an external capacitor. Moreover, a voltage detection circuit which monitors the output voltage is also prepared. 

Features:

Regulator block

• Output voltage: 3.3 V, 5.0 V

• Input voltage: 3.0 V to 36.0 V

• Output voltage accuracy: ±2.0% (Tj = −40°C to +150°C)

• Dropout voltage: 100 mV typ. (5.0 V output product, IOUT = 100 mA)

• Output current: Possible to output 500 mA (VIN = VOUT(S) + 1.0 V)*1

• Input and output capacitors: A ceramic capacitor of 1.0 μF or more can be used.

• Built-in overcurrent protection circuit: Limits overcurrent of output transistor.

• Built-in thermal shutdown circuit: Detection temperature 170°C typ.

Detector block

• Detection voltage: 2.6 V to 4.7 V, selectable in 0.1 V step

• Detection voltage accuracy: ±2.0% (Tj = −40°C to +150°C)

• Hysteresis width: 0.12 V min.

• Release delay time is adjustable*2: 20 ms typ. (CDLY = 10 nF)

Watchdog timer block

• Watchdog activation current is adjustable: 1.5 mA typ. (WADJ pin is open)

• Watchdog trigger time is adjustable*2: 46 ms typ. (CDLY = 10 nF)

• Product type is selectable: S-19516 Series (Product with WEN pin (Output: WO / RO pin))

 S-19517 Series (Product without WEN pin (Output: WO pin and RO pin))

• Autonomous watchdog operation function: Watchdog timer operates due to detection of load current.

• Watchdog mode: Window mode

Overall

• Current consumption: 3.0 μA typ. (During watchdog timer deactivation)

5.0 μA typ. (During watchdog timer activation)

• Operation temperature range: Ta = −40°C to +125°C

• Lead-free (Sn 100%), halogen-free

• Withstand 45 V load dump

• AEC-Q100 qualified*3

Applications:

• Constant-voltage power supply for automotive electric component, monitoring of microcontroller 

Automotive, 125°C Operation, 36 V Input, 250 mA, Built-in Window Watchdog Timer, Voltage Regulator with Reset Function S-19518 Series.

Describe:

The S-19518 Series, developed by using high-withstand voltage CMOS technology, is a low dropout positive voltage regulator with the window watchdog timer and the reset function, which has high-withstand voltage. The monitoring time of watchdog timer can be adjusted by an external capacitor. Moreover, a voltage detection circuit which monitors the output voltage is also prepared.

eatures

Regulator block

• Output voltage: 3.3 V, 5.0 V

• Input voltage: 3.0 V to 36.0 V

• Output voltage accuracy: ±2.0% (Tj = −40°C to +150°C)

• Dropout voltage: 100 mV typ. (5.0 V output product, IOUT = 100 mA)

• Output current: Possible to output 250 mA (VIN = VOUT(S) + 1.0 V)*1

• Input and output capacitors: A ceramic capacitor of 1.0 μF or more can be used.

• Built-in overcurrent protection circuit: Limits overcurrent of output transistor.

• Built-in thermal shutdown circuit: Detection temperature 170°C typ.

• Built-in ON / OFF circuit: Ensures long battery life.

Detector block

• Detection voltage: 2.6 V to 4.7 V, selectable in 0.1 V step

• Detection voltage accuracy: ±2.0% (Tj = −40°C to +150°C)

• Hysteresis width: 0.12 V min.

• Release delay time is adjustable*2: 20 ms typ. (CDLY = 10 nF)

Watchdog timer block

• Watchdog activation current: 1.5 mA typ.

• Watchdog trigger time is adjustable*2: 46 ms typ. (CDLY = 10 nF)

• Autonomous watchdog operation function: Watchdog timer operates due to detection of load current.

• Watchdog mode: Window mode

Overall

• Current consumption: 3.2 μA typ. (During regulator operation, during watchdog timer deactivation)

0.1 μA typ. (During regulator stop)

• Operation temperature range: Ta = −40°C to +125°C

• Lead-free (Sn 100%), halogen-free

• Withstand 45 V load dump

• AEC-Q100 qualified*3

Applications:

• Constant-voltage power supply for automotive electric component, monitoring of microcontroller. 

Automotive, 125°C Operation, 36 V Input, 500 mA, Built-in Window Watchdog Timer, Voltage Regulator with Reset Function S-19519 Series.

Describe:

The S-19519 Series, developed by using high-withstand voltage CMOS technology, is a low dropout positive voltage regulator with the window watchdog timer and the reset function, which has high-withstand voltage. The monitoring time of watchdog timer can be adjusted by an external capacitor. Moreover, a voltage detection circuit which monitors the output voltage is also prepared.

Features

Regulator block

• Output voltage: 3.3 V, 5.0 V

• Input voltage: 3.0 V to 36.0 V

• Output voltage accuracy: ±2.0% (Tj = −40°C to +150°C)

• Dropout voltage: 100 mV typ. (5.0 V output product, IOUT = 100 mA)

• Output current: Possible to output 500 mA (VIN = VOUT(S) + 1.0 V)*1

• Input and output capacitors: A ceramic capacitor of 1.0 μF or more can be used.

• Built-in overcurrent protection circuit: Limits overcurrent of output transistor.

• Built-in thermal shutdown circuit: Detection temperature 170°C typ.

• Built-in ON / OFF circuit: Ensures long battery life.

Detector block

• Detection voltage: 2.6 V to 4.7 V, selectable in 0.1 V step

• Detection voltage accuracy: ±2.0% (Tj = −40°C to +150°C)

• Hysteresis width: 0.12 V min.

• Release delay time is adjustable*2: 20 ms typ. (CDLY = 10 nF)

Watchdog timer block

• Watchdog activation current: 1.5 mA typ. (WADJ pin is open)

• Watchdog trigger time is adjustable*2: 46 ms typ. (CDLY = 10 nF)

• Product type is selectable: 

S-19519A Series(TO-252-9S package product, HSOP-8A package product)

S-19519B Series (HTSSOP-16 package product)

• Autonomous watchdog operation function: Watchdog timer operates due to detection of load current.

• Watchdog mode: Window mode

Overall

• Current consumption: 

3.2 μA typ. (During regulator operation, during watchdog timer deactivation)

0.1 μA typ. (During regulator stop)

• Operation temperature range: Ta = −40°C to +125°C

• Lead-free (Sn 100%), halogen-free

• Withstand 45 V load dump

• AEC-Q100 qualified*3

Applications:

• Constant-voltage power supply for automotive electric component, monitoring of microcontroller 

Automotive, 125°C Operation, 3.8 μA Current Consumption Watchdog Timer with Reset Function S-19400/19401 Series

Describe:

The S-19400/19401 Series is a watchdog timer developed using CMOS technology, which can operate with low current consumption of 3.8 μA typ. The reset function and the low voltage detection function are available.

Features:

• Detection voltage: 2.0 V to 5.0 V, selectable in 0.1 V step 

• Detection voltage accuracy: ±2.0% 

• Input voltage: V_DD = 0.9 V to 6.0 V 

• Hysteresis width: 5% typ. 

• Current consumption during watchdog timer operation: 3.8 μA typ. 

• Reset time-out period: 14.5 ms typ. (C_POR = 2200 pF) 

• Watchdog time-out period: 24.6 ms typ. (C_WDT = 470 pF) 

• Watchdog operation is switchable: Enable, Disable 

• Watchdog operation voltage range: V_DD = 2.5 V to 6.0 V 

• Watchdog mode switching function^*1: Time-out mode, window mode 

• Watchdog input edge is selectable: Rising edge, falling edge, both rising and falling edges 

• Product type is selectable: 

S-19400 Series (Product with W / T pin (Output: WDO pin)) 

S-19401 Series (Product without W / T pin (Output: RST pin, WDO pin)) 

• Operation temperature range: Ta = −40°C to +125°C 

• Lead-free (Sn 100%), halogen-free 

• AEC-Q100 qualified^*2

*1. The S-19401 Series is fixed to the window mode. 

*2. Contact our sales representatives for details. 

Applications:

• For automotive use (engine, transmission, suspension, ABS, related-devices for EV / HEV / PHEV, etc.)