L6610D Просмотр технического описания (PDF) - STMicroelectronics
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L6610D Datasheet PDF : 29 Pages
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L6610
ELECTRICAL CHARACTERISTCS (continued)
(unless otherwise specified: TJ = 0 to 105°C; VDD = 5V, V3V3 = 3.3V, V5V = 5V, V-12V = -12V, V-5V = -5V,
VDmon = VDD, PS-ON = low)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
DFIOH DFAULT output high source
current
Overvoltage condition
VDFAULT = 1.5V
-25
-50
-95
mA
DFVOH DFAULT output high voltage
IDFAULT = 0mA, Tamb = 25oC,
Overvoltage condition
2.1
2.4
2.7
V
VOUT
DFAULT output low voltage
DFAULT OV debounce
IDFAULT = 1mA, no faults
Minimum OV pulse before
DFAULT is latched.
0.3
0.5
0.7
V
4
6
8
µs
DFAULT UV debounce
Minimum UV pulse before
DFAULT is latched.
250 450 650
µs
START-UP / SHUTDOWN FUNCTIONS
t5 DFAULT UV blanking delay
Delay from VDD(on) to DFAULT
UV active.
44
64
84
ms
t1
MFAULT UV/OC blanking delay Delay from ACSNS high to Main
44
64
84
ms
UV/OC active
t2 PW-OK blanking delay
Main’s UV good to PW-OK high
175 250 325 ms
t4 PS-ON delay time
(tDELAY)
Delay from PS-ON input to
MFAULT
1.75 2.5 3.25 ms
VIH PS-ON Input High Voltage
IIN = -200µA
2.0
V
VIL PS-ON Input Low Voltage
0.8
V
PS-ON Input high clamp
IPS-ON = 100 µA
Vdd
V
+0.7
RPS-ON PS-ON Pull-up to VDD
VPS-ON = 0V
25
50
100
KΩ
t3 PS-ON debounce
PS-ON input minimum pulse
width for a valid logic change.
50
75
100
ms
tSS Error Amp. A Soft-Start period VFB quasi-monothonic ramp from
8
ms
0 to 2.5V
VSTEP Soft Start Step
Ramp 0V to 2.5V
39
mV
VOLTAGE REFERENCE (BUFFERED EXTERNAL PIN)
VREF Output Voltage
IREF = 1 - 5 mA; CREF = 47nF
2.375 2.50 2.625
V
ISC Short circuit current
VREF = 0
10
20
mA
MAIN CONVERTER FEEDBACK (ERROR AMPLIFIER A)
VFB Input Voltage
Tj = 25° C
2.375 2.50 2.625 V
Trim Range
About nominal
-5
+5
%
Trim resolution
0.64
%
9/29
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