CAT6220 Просмотр технического описания (PDF) - ON Semiconductor
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CAT6220 Datasheet PDF : 12 Pages
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CAT6220
Table 4. ELECTRICAL OPERATING CHARACTERISTICS (Note 3) (VIN = VOUT + 1.0 V, VEN = High, IOUT = 100 mA, CIN = 1 mF,
COUT = 1 mF, ambient temperature of 25°C (over recommended operating conditions unless specified otherwise). Bold numbers apply
for the entire junction temperature range.)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VADJ
VADJ
Adjustable Voltage
Adjustable Voltage Accuracy
IOUT = 100 mA
Initial accuracy
1.24
V
−1.5
+1.5
%
−2.5
+2.5
IADJ
TCOUT
VR−LINE
ADJ pin Input Current
Output Voltage Temp. Coefficient
Line Regulation
VIN = VOUT + 1.0 V to 6.5 V
1
40
−0.2 ±0.1
−0.35
50
+0.2
+0.35
nA
ppm/°C
%/V
VR−LOAD Load Regulation
IOUT = 100 mA to 300 mA
0.9
1.5
%
2.2
VDROP Dropout Voltage (Note 4)
IOUT = 300 mA
270
350
mV
500
IGND
Ground Current
IOUT = 5 mA
10
15
mA
20
IGND−SD Shutdown Ground Current
IOUT = 300 mA
VEN < 0.4 V
40
100
1
mA
2
PSRR Power Supply Rejection Ratio
f = 100 Hz
62
dB
f = 1 kHz
48
ISC
Output short circuit current limit
TON
Turn−On Time
eN
Output Noise Voltage
ROUT−SH Shutdown Switch Resistance
ESR
COUT equivalent series resistance
DIGITAL INPUT
VOUT = 0 V
BW = 10 Hz to 100 kHz,
VOUT = 1.8 V, IOUT = 10 mA
500
700
mA
150
ms
150
mVrms
250
W
5
500
mW
VHI
Logic High Level
VIN = 2.3 to 6.5 V
1.8
V
VIN = 2.3 to 6.5 V, 0°C to +125°C
1.6
junction temperature
VLO
Logic Low Level
IIN
Input Current
THERMAL PROTECTION
VIN = 2.3 to 6.5 V
VLOGIC = 0.4 V
VLOGIC = VIN
0.4
V
0.15
1
mA
1.5
4
TSD
Thermal Shutdown
140
°C
THYS
Thermal Hysteresis
10
°C
3. Specification for 2.5 V output version unless specified otherwise.
4. Dropout voltage is defined as the input−to−output differential at which the output voltage drops 2% below its nominal value measured at 1 V
differential. During test, the input voltage stays always above the minimum 2.3 V.
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