BD81870EFV-M
BD81870EFV-M is Step-up / Inverted 2ch Switching Regulator manufactured by ROHM.
Description
BD81870EFV is current mode step-up and inverted 2 channel switching regulator with built in FET.
Features
- AEC-Q100 Qualified(Note 1)
- Wide input voltage range 2.5V to 5.5V
- High Frequency 2.1MHz
- Built-in 300mΩ/22V Nch FET and 300mΩ/15.5V Pch FET.
- Built-in 150mΩ high-side switch for boost channel with soft-start function
- Independent ON/OFF signal, Built-in discharge switch
- Circuits protection：OCP, SCP, OVP, UVLO, TSD (Note 1:Grade2)
Applications
- Car navigation panel, Car instrument panel
Special Characteristics
- Reference Accuracy：
±3%(Ta=-40 to 105°C)
- Switching Frequency： ±14.3%(Ta=-40 to 105°C)
Key Specification
- Input voltage range：
2.5V to 5.5V
- Step-up Output voltage range：
VDD x 1.24 to 18.0V
- Inverted Output voltage range：
- 13.0V to -1.0V
- Switching Frequency：
2.1MHz(Typ.)
- Nch FET ON resistance：
300mΩ(Typ.)
- Pch FET ON resistance：
300mΩ(Typ.)
- Operating Temperature range： -40°C to +105°C
Package HTSSOP-B20
W (Typ.) x D (Typ.) x H (Max.) 6.5mm x 6.4mm x 1.00mm
Typical Application Circuit
VOUT2
VDDP VDDP VDDP HS2L LX2 GNDP VOUT2 DIS2 GNDA INV2
(TOP VIEW)
BD81870 (HTSSOP-B20)
LX1 DIS1 NON1 VREF N.C. HSWON SEQON STB1 STB2...
