ADM1041ARQ AD [Analog Devices], ADM1041ARQ Datasheet - Page 10

• Manufacturer Part Number: ADM1041ARQ
• Description: Secondary-Side Controller with Current Share and Housekeeping
• Manufacturer: AD [Analog Devices]

ADM1041
Parameter
AC
PULSE-IN
OSCILLATOR
OCP
MON1, MON2, MON3, MON4
OTP (MON5)
Reverse Voltage Detector Turn-On Threshold
FD Input Impedance
FS Input Impedance
(AC or Bulk Sense)
Threshold Voltage
Threshold Adjust Range
Threshold Trim Step
Hysteresis Adjust Range
Hysteresis Trim Step
Noise Filter
Threshold Voltage
PULSE_OK On Delay
PULSE_OK Off Delay
OCP Threshold Voltage
OCP Shutdown Delay Time (Continuous
OCP Fast Shutdown Delay Time
Sense Voltage
Hysteresis
OVP Noise Filter
UVP Noise Filter
Sense Voltage Range
OTP Trim Step
Hysteresis
Reverse Voltage Detector Turn-Off Threshold
SENSE
Period in Current Limit)
1/AC
SENSE
2 COMPARATOR
2
Min
500
1.10
0.6
0.8
−5
0.3
0
1.21
5
300
2.2
100
Rev. A | Page 10 of 64
Typ
100
150
200
250
20
30
40
50
20
1.25
0.8
10
200−550
50
1
0.525
1
1
0.5
1
2
3
4
1.25
0.1
24
130
Max
1.40
1.2
1.2
+5
0.7
100
1.29
25
600
2.45
160
Unit
mV
mV
mV
mV
mV
mV
mV
mV
kΩ
kΩ
V
V
%
mV
mV
mV
ms
V
µs
s
%
V
s
s
s
s
ms
V
V
µs
µs
V
mV
µA
Test Conditions/Comments
V
Reg 03h[7:6] = 00. See Table 12.
Reg 03h[7:6] = 01. See Table 12.
Reg 03h[7:6] = 10. See Table 12.
Reg 03h[7:6] = 11. See Table 12.
V
Reg 03h[5:4] = 00. See Table 12.
Reg 03h[5:4] = 01. See Table 12.
Reg 03h[5:4] = 10. See Table 12.
Reg 03h[5:4] = 11. See Table 12.
Reg 12h[2] = 0
Reg 0Dh[3:2] = 00. See Table 22 .
Reg 12h[2] = 1
Reg 0Eh[7:6] = 00. See Table 23.
Min: DAC = 0
Max: DAC = Full Scale
1.10 ≤ V
5 bits, 31 steps
Reg 0Ch[7:3]. See Table 21.
V
200 ≤ V
Reg 0Ch[2:0]. See Table 21.
Unless otherwise specified
Force C
Reg 11h[2] = 0. See Table 26.
Reg 12h[4:3] = 00. See Table 27.
Reg 12h[4:3] = 01. See Table 27.
Reg 12h[4:3] = 10. See Table 27.
Reg 12h[4:3] = 11. See Table 27.
Reg 11h[2] = 1. See Table 26.
VC
Reg 0Fh[4:2] = 01x or 10x. Table 24.
2.1 ≤ V
4 bits, 15 steps, Reg 0Bh[7:4].
See Table 20.
V
CS
CS
ACSENSE
OTP
CMP
−
−
= 2 V for threshold specs
= 2 V for threshold specs
= 2 V
= 1.5 V
TRIM
TRIM
CMP
> 1 V, R
TRIM
≤ 2.45 V
for drop in V
≤ 550 mV. 7 steps
≤ 1.4 V
THEVENIN
= 909R
CMP