CS5257A-1 Просмотр технического описания (PDF) - Cherry semiconductor
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CS5257A-1 Datasheet PDF : 9 Pages
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Absolute Maximum Ratings
VPOWER Input Voltage .................................................................................................................................................................6V
VCONTROL Input Voltage ...........................................................................................................................................................13V
Operating Junction Temperature Range...........................................................................................................0¡C ² TJ ² 150¡C
Storage Temperature Range ................................................................................................................................-65¡C to +150¡C
Lead Temperature Soldering
Wave Solder (through hole styles only) .....................................................................................10 sec. max, 260¡C peak
Reflow (SMD styles only) ......................................................................................60 sec. max above 183¡C, 230¡C peak
ESD Damage Threshold............................................................................................................................................................2kV
Electrical Characteristics: 0¡C ² TA ² 70¡C, 0¡C ² TJ ² 150¡C, VSENSE = VOUT and VAdj = 0V; unless otherwise specified.
PARAMETER
TEST CONDITIONS
MIN
Reference Voltage
Line Regulation
Load Regulation
(Note 3)
Minimum Load Current
(Note 1)
VCONTROL = 2.75V to 12V, VPOWER = 2.05V to 5.5V,
10mA ² IOUT ² 7A
VCONTROL = 2.5V to 12V, VPOWER = 1.75V to 5.5V,
IOUT = 10mA
VCONTROL = 2.75V, VPOWER = 2.05V,
IOUT = 10mA to 7A, with remote sense
VCONTROL = 5V, VPOWER = 3.3V, ÆVOUT = +1%
1.234
(-1.5%)
Control Pin Current
(Note 2)
VCONTROL = 2.75V, VPOWER = 2.05V, IOUT = 100mA
VCONTROL = 2.75V, VPOWER = 2.05V, IOUT = 4A
VCONTROL = 2.75V, VPOWER = 1.75V, IOUT = 4A
VCONTROL = 2.75V, VPOWER = 2.05V, IOUT = 7A
Adjust Pin Current
VCONTROL = 2.75V, VPOWER = 2.05V, IOUT = 10mA
Current Limit
VCONTROL = 2.75V, VPOWER = 2.05V, ÆVOUT = -1.5% 7.1
Short Circuit Current
VCONTROL = 2.75V, VPOWER = 2.05V, VOUT = 0V
5.0
Ripple Rejection
(Note 3)
VCONTROL = VPOWER = 3.25V,
60
VRIPPLE = 1VP-P @ 120Hz, IOUT = 4A, CADJ = 0.1µF
Thermal Regulation
30ms Pulse, TA = 25¡C
VCONTROL Dropout Voltage
(Minimum VCONTROL-VOUT)
(Note 4)
VPOWER = 2.05V, IOUT = 100mA
VPOWER = 2.05V, IOUT = 1A
VPOWER = 2.05V, IOUT = 2.75A
VPOWER = 2.05V, IOUT = 4A
VPOWER = 2.05V, IOUT = 7A
VPOWER Dropout Voltage
(Minimum VPOWER-VOUT)
(Note 4)
VCONTROL = 2.75V, IOUT = 100mA
VCONTROL = 2.75V, IOUT = 1A
VCONTROL = 2.75V, IOUT = 2.75A
VCONTROL = 2.75V, IOUT = 4A
VCONTROL = 2.75V, IOUT = 7A
RMS Output Noise
Freq = 10Hz to 10kHz, TA = 25¡C
Temperature Stability
Thermal Shutdown (Note 5)
150
Thermal Shutdown Hysteresis
VCONTROL Supply Only
Output Current
VCONTROL = 13V, VPOWER not connected,
VADJUST = VOUT = VSENSE = 0V
TYP
1.253
.02
.04
5
6
30
33
60
60
10.0
9.0
80
0.002
1.00
1.00
1.00
1.00
1.10
.10
.15
.20
.26
.35
0.003
0.5
180
MAX
1.272
(+1.5%)
.20
UNIT
V
%
.20
%
10
mA
10
mA
60
mA
70
mA
180
mA
120
µA
A
A
dB
%/W
1.15
V
1.15
V
1.15
V
1.15
V
1.25
V
.15
V
.20
V
.30
V
.40
V
.65
V
%VOUT
%
210
¡C
25
¡C
50
mA
2
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