FEATURES

● Operating Voltage (Maximum Rating) ···················· 4.0 V to 34 V (36 V)

● Operating Temperature Range ······························ −40°C to 105°C

(Usable in high-temperature environment)

● Start-up Voltage ················································· 4.5 V

● Output Voltage Range ················· ······················· 0.7 V to 5.3 V

● Feedback Voltage Tolerance ················· ··············· 0.64 V ±1%

● Consumption Current at No Load(at VFM mode) ······· Typ.15 μA

● Adjustable Oscillation Frequency(1)························· 250 kHz to 1 MHz

● Synchronizable Clock Frequency(1)························· 250 kHz to 1 MHz

● Minimum On-Time ··· ·········································· Typ.100 ns

● Minimum Off-Time ·············································· Typ.120 ns (at regulation mode)

At dropout, actual minimum off-time is reduced.

● Adjustable Soft-start Time(2) ·································· Typ.500 μs

● Pre-bias Start-up

● Anti-phase Clock Output

● Thermal Shutdown Function ································· Tj = 160ºC (Typ.)

● Under Voltage Lockout (UVLO) Function········· ········ VCC = 3.3V (Typ.)

● Over Voltage Detection (OVD) Function ·················· FB pin voltage (VFB) + 10% (Typ.)

Detection/Release Hysteresis ······························· FB pin voltage (VFB) x 3% (Typ.)

● Under Voltage Detection (UVD) Function················· FB pin voltage (VFB) - 10% (Typ.)

Detection/Release Hysteresis ······························· FB pin voltage (VFB) x 3% (Typ.)

● Selectable Over-current Protection························· Hiccup-mode / Latch mode

● Selectable Current Limit Threshold························· 50 mV / 70 mV / 100 mV

● High-side / Low-side Tr. On-resistance ···················· Typ.11.8 mΩ / 12.3 mΩ

● Power Good Output ············································ NMOS Open-drain Output

● Package··························································· QFN0505-32B