LTC6652 Просмотр технического описания (PDF) - Linear Technology
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LTC6652 Datasheet PDF : 20 Pages
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LTC6652
Typical Performance Characteristics Characteristic curves are similar for most
LTC6652s. Curves from the LTC6652-1.25, LTC6652-2.5 and the LTC6652-5 represent the extremes and typical of the voltage options.
Characteristic curves for other output voltages fall between these curves and can be estimated based on their output.
Power Supply Rejection Ratio
vs Frequency
0
–10
COUT = 0µF
–20
–30
COUT = 1µF
–40
–50
–60
–70
COUT = 10µF
–80
–90
–100
0.01
0.1
1
10 100 1000
FREQUENCY (kHz)
6652 G07
Output Impedance vs Frequency
100
COUT = 0µF
10
COUT = 1µF
COUT = 10µF
1
0.1
0.01
0.1
1
10
FREQUENCY (kHz)
100
6652 G08
SHDN Input Voltage Thresholds
vs VIN
2.5
2.0
VTH(UP)
1.5
VTH(DN)
1.0
0.5
0
2
4
6
8 10 12 14
VIN (V)
6652 G13
Pin Functions
DNC (Pin 1): Do Not Connect.
VIN (Pin 2): Power Supply. The minimum supply input is
VOUT + 300mV or 2.7V; whichever is higher. The maximum
supply is 13.2V. Bypassing VIN with a 0.1µF capacitor to
GND will improve PSRR.
SHDN (Pin 3): Shutdown Input. This active low input
powers down the device to <2µA. For normal operation
tie this pin to VIN.
GND (Pin 4): Device Ground.
VOUT (Pin 6): Output Voltage. An output capacitor is not
required. For some applications, a capacitor between 0.1µF
to 10µF can be beneficial. See the graphs in the Typical
Performance Characteristics section for further details.
GND (Pins 5,7,8): Internal Function. Ground these pins.
For more information www.linear.com/6652
6652fe
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