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參數(shù)資料
| 型號： | MAX749ESA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Digitally Adjustable LCD Bias Supply |
| 中文描述： | SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 0.150 INCH, SOP-8 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 105K |
| 代理商： | MAX749ESA |
T
A
= T
MIN
to T
MAX
MIN
MAX
400
125
25
300
85
M
Digitally Adjustable LCD Bias S upply
2
______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V+ ................................................................................-0.3V, +7V
CTRL, ADJ , FB, DLOW, DHI, CS.....................-0.3V, (V+ + 0.3V)
Continuous Power Dissipation (T
A
= +70°C)
Plastic DIP (derate 9.09mW/°C above +70°C) ............727mW
SO (derate 5.88mW/°C above +70°C).........................471mW
Operating Temperature Ranges:
MAX749C_A........................................................0°C to +70°C
MAX749E_A.....................................................-40°C to +85°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
ELECTRICAL CHARACTERISTICS
(2V < V+ < 6V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
Stresses beyond those listed under “Absolute Maximum Ratings"may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Note 1:
The device is in regulation when V
FB
= 0V (see Figures 3 - 6).
Note 2:
These tests performed at V+ = 3.3V. Operation over supply range is guaranteed by supply rejection test of full-count current.
Note 3:
V
IH
is guaranteed by design to be 1.8V min for V+ = 2V to 6V for T
A
= T
MIN
to T
MAX
. V
IL
is guaranteed by design from
T
A
= T
MIN
to T
MAX
.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V+ Voltage
FB Source Current
Zero-Count FB Current
Full-Count FB Current
FB Offset Voltage
2
6
V
I
FBS
On power-up or reset, V
FB
= 0V (Note 1)
V
FB
= 0V
V
FB
= 0V
12.80
0.45
1.43
13.33
13.86
0.55
1.53
±15
μA
I
FBS
I
FBS
mV
DAC Step Size (Note 2)
DAC Linearity (Note 2)
Supply Rejection
Switching Frequency
Logic Input Current
Logic High Threshold (Note 3)
Logic Low Threshold (Note 3)
Monotonicity guaranteed, V
FB
= 0V
V
FB
= 0V
V+ = 2V to 6V, full-count current
1.00
1.56
2.12
±1
1.5
%I
FBS
%I
FBS
%I
FBS
kHz
nA
V
V
100 to 500
0V < V
IN
< V+, CTRL, ADJ
CTRL, ADJ
CTRL, ADJ
±100
V
IH
V
IL
1.6
Quiescent Current
Shutdown Current
V+ to CS Voltage
DHI Source Current
DHI Drive Level
DLOW On Resistance
60
15
180
μA
μA
mV
mA
V
Current-limit trip voltage
V+ = 2V, V
DHI
= 1V
No load
V+ = 2V, V
DLOW
= 0.5V
110
24
140
50
V+
5
V+ - 50mV
10
0.4
TIMING CHARACTERISTICS
T
A
= +25°C
TYP
MIN
MAX
PARAMETER
SYMBOL
CONDITIONS
UNITS
Minimum Reset Pulse Width
t
R
V+ = 5V
Not tested
Not tested
100
Minimum Reset Setup
Minimum Reset Hold
t
RS
t
RH
0
0
0
0
t
SH
V+ = 2V
V+ = 5V
V+ = 2V
V+ = 5V
V+ = 2V
V+ = 5V
15
10
170
60
70
20
85
85
400
150
200
85
100
100
500
200
250
100
Minimum ADJ High Pulse Width
t
SL
Minimum ADJ Low Pulse Width
Minimum ADJ Low to CTRL Low
t
SD
ns
V+ = 2V
ns
ns
ns
ns
ns
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX749ESA+ | 功能描述:其他電源管理 Digitally Adjustable LCD Bias Supply RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel |
| MAX749ESA+ | 制造商:Maxim Integrated Products 功能描述:IC LCD BIAS SUPPLY 8-SOIC 制造商:Maxim Integrated Products 功能描述:IC, LCD BIAS SUPPLY, 8-SOIC |
| MAX749ESA+T | 功能描述:顯示驅(qū)動器和控制器 Digitally Adjustable LCD Bias Supply RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| MAX749ESA-T | 功能描述:顯示驅(qū)動器和控制器 Digitally Adjustable LCD Bias Supply RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| MAX749ESA-TG074 | 制造商:Maxim Integrated Products 功能描述:DIGITALLY ADJUSTABLE LCD BIAS SUPPLY - Rail/Tube |
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