Product specifications

4/22
XC9220
/
XC9221 Series
Unless otherwise stated, V
IN=5.0V
NOTE:
*1: EFFI = { (output voltage) x (output current)} / { (input voltage) x (input current) } x 100
*2: No Integral protection function is available with the XC9220/9221 C series.
** Refer to the CHARACTERISTICS CHART BY OSCILLATION FREQUENCY.
PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNIT. CIRCUIT
FB Voltage VFB 0.8865 0.9000 0.9135 V 2
Input Voltage Range VIN 2.8 - 16.0 V -
UVLO Voltage
(Minimum Operating Voltage)
VUVLO 1.9 2.3 2.7 V 3
Supply Current 2 IDD2 VIN=5.0V, FB=1.0V ** μA 1
Stand-by Current ISTB - 0.1 1.0 μA 1
Oscillation Frequency fOSC
Connected to external
components
** kHz 3
Maximum Duty Ratio MAXDTY 100 - - % 2
PFM Duty Ratio PFMDTY No load (XC9221 series only) 15 25 35 % 3
EXT/ High On Resistance REXTBH 6 10 16 Ω 4
EXT/ Low On Resistance REXTBL 6 12 20 Ω 4
Integral Protection Time
(*2)
tPRO (XC9220/9221 A series) ** ms 2
Short-Circuit Protection VSHORT - - 0.7 V 2
Soft-Start Time tSS ** ms 2
Efficiency (*1) EFFI - 92 - % 3
UVFB FB Voltage
Temperature Characteristics
UToprVFB
- +100 -
ppm
/
O
C
2
CE “High” Level Voltage VCEH 1.2 - - V 2
CE “Low” Level Voltage VCEL - - 0.3 V 3
CE “High” Level Current ICEH VIN=CE=16V - 0.1 - 0.1 μA 1
CE “Low” Level Current ICEL VIN=16V, CE=0V - 0.1 - 0.1 μA 1
FB “High” Level Current IFBH VIN=FB=16V - 0.1 - 0.1 μA 4
FB “Low” Level Current IFBL VIN=16V, FB=0V - 0.1 - 0.1 μA 4
■ELECTRICAL CHARACTERISTICS
XC9220/XC9221 A and C series
Ta = 25
O
C