FEATURES
Step-up DC/DC converter part
● Input Voltage Range ···································· 0.8V~5.5V
● High Efficiency ··········································· 87% (100mA/3.3V, VIN=1.5V, 25°C)
● Output current ············································ 500mA/4.2V(VIN=2.5V)
● Internal Switch ··········································· NMOS=0.16Ω, (if VOUT1=3.3V)
● Output Voltage Tolerance ···························· 2.0%
● Frequency ················································· Typ. 1.2MHz
● Output Voltage Range ································· Fixed: Standard voltage in the range from 2.3V to 5.5V
Adjustable: 2.3V~5.5V (Recommendation range of output
voltage)
● Lx peak current control function ··················· Typ. 1.4A
LDO regulator part
*Input Voltage Range (Applied to B version only) ········ from 2.0V to 5.5V
● Output Voltage Range ····································· Fixed: Standard voltage in the range from 1.5V to 5.0V
● Output Voltage Tolerance ································· 1.0%
● Turn-on Speed ··············································· Typ. 100s
● Maximum Output Current ································· Min. 500mA guaranteed (A/D version)
······································································· Min. 300mA guaranteed (B version)
······································································ Min. 150mA guaranteed (C version)
Voltage Detector Part
● Detector Threshold Range ································ Fixed: Standard voltage in the range from 1.0V to 4.5V
● Released Output Delay Time ····························· Typ. 10ms (A/B/D version)
······································································· Typ. 0ms (C version)
● Detector Threshold Hysteresis ························ Typ. 5% of the detector threshold voltage (A/B/D version)
Selectable in the range from 30% to 80% of the detector
threshold voltage (C version)
Others
● Small Package ··············································· DFN(PL)2527-10
● Thermal shutdown temperature threshold ············ Tj=125°C (A/B/D version only)
● External components ······································· CIN=10μF,COUT1=10μFx2, L=3.3μH(If the output of the
DC/DC is 3.6V or more, 4.7uH is our recommendation value.)
······································································· COUT2=2.2F(B/C version LDO)
······································································· COUT2=10uF(A/D version LDO)