L6610 STMicroelectronics, L6610 Datasheet - Page 9

• Manufacturer Part Number: L6610
• Description: DIGITALLY PROGRAMMABLE SECONDARY HOUSEKEEPING CONTROLLER
• Manufacturer: STMicroelectronics

ELECTRICAL CHARACTERISTCS (continued)
(unless otherwise specified: T
V
START-UP / SHUTDOWN FUNCTIONS
VOLTAGE REFERENCE (BUFFERED EXTERNAL PIN)
MAIN CONVERTER FEEDBACK (ERROR AMPLIFIER A)
Symbol
Dmon
(t
R
D
DF
V
V
DELAY
V
PS-ON
V
FVOH
V
V
t
STEP
I
OUT
REF
t5
t1
t2
t4
t3
SS
SC
FB
IH
IOH
IL
= V
)
DD
DFAULT output high source
current
DFAULT output high voltage
DFAULT output low voltage
DFAULT OV debounce
DFAULT UV debounce
DFAULT UV blanking delay
MFAULT UV/OC blanking delay
PW-OK blanking delay
PS-ON delay time
PS-ON Input High Voltage
PS-ON Input Low Voltage
PS-ON Input high clamp
PS-ON Pull-up to V
PS-ON debounce
Error Amp. A Soft-Start period
Soft Start Step
Output Voltage
Short circuit current
Input Voltage
Trim Range
Trim resolution
, PS-ON = low)
Parameter
J
DD
= 0 to 105°C; V
Main’s UV good to PW-OK high
T
Overvoltage condition
V
I
Overvoltage condition
I
Minimum OV pulse before
DFAULT is latched.
Minimum UV pulse before
DFAULT is latched.
Delay from V
UV active.
Delay from AC
UV/OC active
Delay from PS-ON input to
MFAULT
I
I
V
PS-ON input minimum pulse
width for a valid logic change.
VFB quasi-monothonic ramp from
0 to 2.5V
Ramp 0V to 2.5V
I
V
About nominal
DD
DFAULT
DFAULT
IN
PS-ON
REF
j
DFAULT
PS-ON
REF
= 25° C
= -200 A
= 5V, V
= 1 - 5 mA; C
= 0
= 100 µA
= 0mA, T
= 1mA, no faults
= 0V
= 1.5V
Test Condition
3V3
DD
SNS
= 3.3V, V
(on) to DFAULT
amb
high to Main
REF
= 25
= 47nF
5V
o
C,
= 5V, V
-12V
2.375
2.375
Min.
1.75
250
175
-25
2.1
0.3
2.0
44
44
25
50
-5
4
= -12V, V-
Typ.
+0.7
2.50
2.50
0.64
250
Vdd
450
-50
2.4
0.5
2.5
64
64
50
75
39
10
6
8
5V
= -5V,
2.625
2.625
Max.
3.25
325
650
100
100
-95
2.7
0.7
0.8
84
84
20
+5
8
L6610
Unit
mA
K
mV
mA
ms
ms
ms
ms
ms
ms
%
%
V
V
V
V
V
V
V
s
s
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