XC6375 Datasheet, PDF (2/4 Pages) Torex Semiconductor – PWM Controlled, Step down DC/DC Converters

s Electrical Characteristics
XC6375A501PR Vout=5.0V, Fosc=100kHz
PARAMETER
SYMBOL
CONDITIONS
Output Voltage
VOUT
External Components Connected
Maximum Input Voltage
VIN
Supply Voltage Range
VDD
Supply Current 1
IDD1
Supply Current 2
IDD2
No external components.
Apply output voltage ! 0.95
to VOUT.
Same as IDD1.
Apply output voltage ! 1.1 to VOUT.
EXT"High" On Resistance REXTH
Same as IDD 2. VEXT=VOUT-0.4V.
MIN
4.875
10
2.2
TYP MAX
5.000 5.125
10
UNITS
V
V
V
24.9 41.6
µA
19.9 33.2
µA
37.5 62.5
Ω
EXT"Low" On Resistance REXTL
Same as IDD 1. VEXT=0.4V.
30
50
Ω
Oscillator Frequency
Maximum Duty Ratio
FOSC
MAXDTY
Same as VOUT.
Measuring of EXT waveform.
Same as IDD 1.
Measuring of EXT waveform.
85
100 115
kHz
100
%
Efficiency
EFFI
90
%
Slow-Start Time
TSS
4.0 10.0 20.0
ms
Measuring conditions: Unless otherwise specified, VIN=VDD=VOUT ! 1.2 (VDD should be another voltage source), IOUT =100mA.
See Typical Application Circuit.
s Typical Application Circuit
L
Tr
321
RB
VIN
(TOP VIEW)
SOT-89-5
CIN
SD
4
5
VOUT
CL
L: 100µH (SUMIDA, CD-54)
SD: MA735 (Schottky diode; MATUSHITA)
CL: 10V 47µF (Tantalum capacitor, NICHICON, F93)
CIN: 16V 10µF (Tantalum capacitor, NICHICON, F93)
Tr: 2SA1213
RB: 1.0kΩ
GND
231
e-68