L6611N データシートの表示（PDF） - STMicroelectronics
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L6611N Datasheet PDF : 28 Pages
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L6611
ELECTRICAL CHARACTERISTCS (continued)
(unless otherwise specified: TJ = 0 to 105°C; VDD = 5V, V3V3 = 3.3V, V5V = 5V, V-12V = -12V, ,
VDmon = VDD, PS-ON = low)
Symbol
Parameter
Test Condition
Min. Typ.
VIH PS-ON Input High Voltage
IIN = -200µA
2.0
VIL PS-ON Input Low Voltage
PS-ON Input high clamp
IPS-ON = 100 µA
Vdd
+0.7
RPS-ON PS-ON Pull-up to VDD
t3 PS-ON debounce
VPS-ON = 0V
PS-ON input minimum pulse
width for a valid logic change.
25
50
50
75
tSS Error Amp. A Soft-Start period VFB quasi-monothonic ramp from
8
0 to 2.5V
VSTEP Soft Start Step
Ramp 0V to 2.5V
39
VOLTAGE REFERENCE (BUFFERED EXTERNAL PIN)
VREF Output Voltage
IREF = 1 - 5 mA; CREF = 47nF
2.375 2.50
ISC Short circuit current
VREF = 0
10
MAIN CONVERTER FEEDBACK (ERROR AMPLIFIER A)
VFB Input Voltage
Tj = 25° C
2.375 2.50
Trim Range
About nominal
-5
Trim resolution
0.64
ZFB Divider impedance
from Ainv to GND. 5V and 12V
connected to GND.
35
50
Temperature coefficient
26
W5
AVOL
Divider 5/12 weighting
Voltage gain
5V contribution to 5/12 feedback
47
50
2V<VOUT<4V
65
GBW Unity gain bandwidth
3
PSRR Power supply rejection ratio
4.5V<VDD<6V
60
70
IOUTL Output sink current
VFB = 2.7V, VOUT = 1.1V
2
5
IOUTH Output source current
VFB = 2.3V, VOUT = 4V
-1.0 -1.5
VOUTH Output high level
VFB = 2.3V, ISOURCE = 1 mA
4
4.5
VOUTL Output low level
VFB = 2.7V, ISINK = 2 mA
0.7
MAGAMP OR LINEAR POST-REGULATOR FEEDBACK (ERROR AMPLIFIER B)
VFB Input Voltage
Tj = 25° C
1.22 1.25
Trim Range
About nominal
-5
Max.
0.8
100
100
2.625
20
2.625
+5
65
53
8
-2.0
1.1
1.28
+5
Unit
V
V
V
KΩ
ms
ms
mV
V
mA
V
%
%
kΩ
Ω/°C
%
dB
MHz
dB
mA
mA
V
V
V
%
9/28
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