參數(shù)資料
型號(hào): ADM1041ARQ-REEL7
廠商: ANALOG DEVICES INC
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Secondary-Side Controller with Current Share and Housekeeping
中文描述: SPECIALTY TELECOM CIRCUIT, PDSO24
封裝: MO-137AE, QSOP-24
文件頁(yè)數(shù): 6/64頁(yè)
文件大?。?/td> 1063K
代理商: ADM1041ARQ-REEL7
ADM1041
SPECIFICATIONS
T
A
= –40 to +85°C, V
DD
= 5 V ± 10%, unless otherwise noted.
Table 1.
Parameter
SUPPLIES
V
DD
I
DD
, Current Consumption
Peak I
DD,
during EEPROM Erase Cycle
1, 2
UNDERVOLTAGE LOCKOUT, V
DD
Start-Up Threshold
Stop Threshold
Hysteresis
V
REF
, 2.5 V
REFOUT
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
2
Long-Term Stability
2
Current Limit
Output Resistance
2
Load Capacitance
Ripple Due to Autozero
2
POWER BLOCK PROTECTION
V
DD
Overvoltage
V
DD
Overvoltage Debounce
V
REF
Overvoltage
V
REFOUT
Undervoltage
Open Ground
Debounce
POWER-ON RESET
DC Level
DIFFERENTIAL LOAD VOLTAGE SENSE INPUT,
(V
S
, V
S
+)
V
S
Input Voltage
V
S
+ Input Voltage
V
S
Input Resistance
V
S
+
Input Resistance
V
NOM
Adjustment Range
Set Load Voltage Trim Step
Set Load Overvoltage Trim Range
Set Load Overvoltage Trim Step
Recover from Load OV False to F
G
True
Operate Time from Load OV to F
G
False
Rev. A | Page 6 of 64
Min
4.5
4
3.7
2.49
–5
–5
5.8
10
0.1
100
1.5
Typ
5.0
6
4.3
4
0.3
2.50
0
0
±100
±5
10
0.5
1
±5
6.2
2.9
2.1
0.2
2.2
Max
5.5
10
40
4.5
4.2
2.51
+5
+5
20
6.5
20
0.35
200
2.75
Unit
V
mA
mA
V
V
V
V
mV
mV
ppm/°C
mV
mA
nF
mV p-p
V
μs
V
V
V
μs
V
Test Conditions/Comments
See Figure 9.
Reg 0Fh[4:2] = 111. See Table 24.
I
REF
= 1 mA, T
A
= 25°C
4.5 V ≤ V
DD
≤ 5.5 V
0 mA ≤ I
REF
≤ 2 mA
I
REF
= 1 mA
Over 1,000 hr, T
J
= 125°C
V
REF
= 2.4 V
Recommended for stability
V
REF
refreshed at 30 kHz
Latching
Internal
External
V
GND
positive with respect to V
S
V
DD
OK
V
DD
rising
See Figure 6. V
NOM
= (V
S
+ – V
S
)
V
NOM
is typically 2 V
Voltage on Pin 20
Voltage on Pin 21
1.7 V ≤ V
NOM
≤ 2.3 V typ
8 bits, 255 steps
Reg 19h[7:0]. See Table 34
1.7 V ≤ V
NOM
≤ 2.3 V min
8 bits, 255 step/s
Reg 08h[7:0]. See Table 17.
V
S
+ = 2.24 V
Reg 03h[1:0] = 00. See Table 12.
Reg 03h[1:0] = 01. See Table 12.
Reg 03h[1:0] = 10. See Table 12.
Reg 03h[1:0] = 11. See Table 12.
500
35
1.7 to 2.3
0.10 to 0.14
1.74 –> 3.18
105 to 120
0.09
1.6
100
200
300
400
2
0.5
V
DD
– 2
V
V
k
k
V
%
mV
%
%
mV
μs
μs
μs
μs
μs
相關(guān)PDF資料
PDF描述
ADM1041 Secondary-Side Controller with Current Share and Housekeeping
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