l6611 STMicroelectronics, l6611 Datasheet - Page 9

• Manufacturer Part Number: l6611
• Description: Digitally Programmable Secondary Housekeeping Controller
• Manufacturer: STMicroelectronics

ELECTRICAL CHARACTERISTCS (continued)
(unless otherwise specified: T
V
VOLTAGE REFERENCE (BUFFERED EXTERNAL PIN)
MAIN CONVERTER FEEDBACK (ERROR AMPLIFIER A)
MAGAMP OR LINEAR POST-REGULATOR FEEDBACK (ERROR AMPLIFIER B)
Symbol
Dmon
R
V
V
PSRR
V
I
GBW
I
V
A
OUTH
PS-ON
OUTL
V
Z
OUTH
V
OUTL
V
V
t
STEP
I
W
REF
VOL
t3
SS
SC
FB
FB
FB
IH
IL
5
= V
DD
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
Divider impedance
Temperature coefficient
Divider 5/12 weighting
Voltage gain
Unity gain bandwidth
Power supply rejection ratio
Output sink current
Output source current
Output high level
Output low level
Input Voltage
Trim Range
, PS-ON = low)
Parameter
J
DD
= 0 to 105°C; V
T
2V<V
T
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
from Ainv to GND. 5V and 12V
connected to GND.
5V contribution to 5/12 feedback
4.5V<V
V
V
V
V
About nominal
DD
IN
PS-ON
REF
j
j
PS-ON
REF
FB
FB
FB
FB
= 25° C
= 25° C
= -200 A
= 5V, V
= 2.7V, V
= 2.3V, V
= 2.3V, I
= 2.7V, I
OUT
= 1 - 5 mA; C
= 0
= 100 µA
DD
= 0V
Test Condition
<4V
<6V
3V3
SOURCE
SINK
OUT
OUT
= 3.3V, V
= 2 mA
= 1.1V
= 4V
REF
= 1 mA
= 47nF
5V
= 5V, V
-12V
2.375
2.375
Min.
1.22
-1.0
2.0
25
50
35
47
65
60
-5
-5
2
4
= -12V, ,
Typ.
+0.7
2.50
2.50
0.64
1.25
Vdd
-1.5
4.5
0.7
50
75
39
10
50
26
50
70
8
3
5
2.625
2.625
Max.
1.28
-2.0
100
100
0.8
1.1
20
+5
65
53
+5
8
L6611
MHz
Unit
K
mV
mA
mA
mA
ms
ms
k
dB
dB
%
%
%
%
V
V
V
V
V
V
V
V
/ C
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