TC1305 Datasheet, PDF (10/18 Pages) Microchip Technology – Dual 150mA CMOS LDO With Select Mode™ Operation, Shutdown and Independent RESET Output

TC1305
6.0 TYPICAL CHARACTERISTICS (CONTINUED)
Power Supply Rejection Ratio vs. Frequency
0
VINDC = 4V
VINAC = 100mVP-P
-20 ^{VOUTDC = 3V}
IOUT = 150mA
COUT = 10µF Tantalum
-40
-60
-80
-100
10
100
1k
10k
f (Hz)
100k
1M
Power Supply Rejection Ratio vs. Frequency
0
VINDC = 4V
VINAC = 100mVP-P
-20 ^{VOUTDC = 3V}
IOUT = 150mA
COUT = 10µF Tantalum
CBYPASS = 0.01µF Ceramic
-40
-60
-80
-100
10
100
1k
10k
f (Hz)
100k
1M
Output Noise
10
1
VOUT2
VOUT1
0.1
COUT1 = COUT2 = 4.7µF,
0.01 CBYPASS = 0.01µF, ILOAD = 100µA,
VIN = 4.0V, VOUT1 = VOUT2 = 3.0V
0.001
0.01
0.1
1
10
Frequency (kHz)
100
1000
Load Transient Response
Line Transient Response
6V
4V
C_OUT = 10µF Ceramic
C_IN = 0
C_BYP = 0.01µF
I_LOAD = 100µA
V_OUT = 3V
Time (2µs / div)
V_IN = 4V
V_OUT = 3V
C_OUT = 10µF Ceramic
C_BYP = 0.01µF
Time (100ms / div)
150mA
100µA
DS21526A-page 10
© 2002 Microchip Technology Inc.