TCR5SB15A Datasheet, PDF (12/17 Pages) Toshiba Semiconductor – 150 mA CMOS Low-Dropout Regulator (Point Regulator)

7) Overcurrent Protection Characteristics
TCR5SB15A
2.5
Pulse width = 1 ms
2.0
1.5
1.0
VIN = 6.0 V
0.5
VIN = 2.5 V
0
0
100
200
300
400
Output current I_OUT (mA)
TCR5SB25A
3.0
Pulse width = 1 ms
2.5
2.0
VIN =6.0 V
1.5
1.0
VIN = 3.5 V
0.5
0
0
100
200
300
400
Output current I_OUT (mA)
TCR5SB15A～TCR5SB50A
TCR5SB18A
2.5
Pulse width = 1 ms
2.0
1.5
VIN = 6.0 V
1.0
0.5
0
0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
VIN = 2.8 V
100
200
300
400
Output current I_OUT (mA)
TCR5SB30A
Pulse width = 1 ms
VIN = 6.0 V
VIN = 4.0 V
100
200
300
400
Output current IOUT (mA)
8) Ripple rejection Raito vs. Frequency (Dependence of Capacitors)
TCR5SB30A
90
80
CIN = 1.0 μF
70
COUT = 4.7 μF
60
50
40
CIN = 1.0 μF
30
COUT = 1.0 μF
20
10 _{VIN = 4.0 V , IOUT = 10 mA}
Vripple = 500 mVp_−p, Ta = 25°C
0
10
100
1k
CIN = none
COUT = 1 μF
10 k
100 k 300 k
Frequency f (Hz)
12
2008-11-11