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| TPS7A7200-EP_15 Datasheet, PDF (10/28 Pages) Texas Instruments – 2-A, FAST-TRANSIENT, LOW-DROPOUT VOLTAGE REGULATOR | |||
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TPS7A7200-EP
SBVS224A â JUNE 2013 â REVISED JUNE 2013
www.ti.com
TYPICAL CHARACTERISTICS (continued)
At TJ = +25°C, VIN = VOUT(TARGET) + 0.3 V, IOUT = 25 mA, V(EN) = VIN, CIN = 10 μF, COUT = 10 μF, C(SS) = 10 nF, and the PG pin
pulled up to VIN with 100-kΩ pull-up resistor, unless otherwise noted.
NOISE SPECTRAL DENSITY BY OUTPUT VOLTAGE
10
VOUT(TARGET) = 0.9 V
VOUT(TARGET) = 1.2 V
VOUT(TARGET) = 3.3 V
NOISE SPECTRAL DENSITY BY EXTERNAL CAPACITORS
10
VIN = 1.8 V, IOUT = 1 A
VOUT(TARGET) = 1.5 V
200mV, 800mV pins to GND
50mV, 100mV, 400mV, 1.6V pins open
1
1
VIN = VOUT(TARGET) + 0.3 V
0.1 IOUT = 2 A
100 Hz to 100 kHz RMS Noise
0.9 V: 37.43 µVRMS
1.2 V: 40.65 µVRMS
3.3 V: 82.59 µVRMS
0.01
10
100
1k
10k
Frequency (Hz)
Figure 20.
100k
G061
0.1
0.01
10
CSS = 100nF, COUT = 100µF
CSS = 100nF, COUT = 10µF
CSS = 10nF, COUT = 100µF
CSS = 10nF, COUT = 10µF
CSS = 1nF, COUT = 100µF
CSS = 1nF, COUT = 10µF
100
1k
10k
Frequency (Hz)
Figure 21.
100
90
80
70
60
50
40
30
20
10
0
10
POWER-SUPPLY RIPPLE REJECTION
vs FREQUENCY
VOUT(TARGET) = 3.3 V
400mV, 800mV, 1.6V pins to GND
50mV, 100mV, 200mV pins open
VIN=3.6V, IOUT=0.1A
VIN=3.6V, IOUT=2A
VIN=3.8V, IOUT=0.1A
VIN=3.8V, IOUT=2A
100
1k
10k 100k
1M
10M
Frequency (Hz)
G071
Figure 22.
100k
G063
10
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Product Folder Links: TPS7A7200-EP
Copyright © 2013, Texas Instruments Incorporated
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