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參數(shù)資料
| 型號： | MAX5019 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C |
| 中文描述： | 電可擦除可編程邏輯器件 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大?。?/td> | 328K |
| 代理商： | MAX5019 |
M
Current-Mode PWM Controllers with Integrated
Startup Circuit
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 13V, a 10μF capacitor connects V
CC
to GND, V
CS
= 0, V+ = 48V, 0.1μF capacitor connected from SS_
SHDN
to GND, NDRV
= open circuit, V
FB
= 3V, T
A
= -40
°
C to +85
°
C, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SLOPE COMPENSATION
Slope Compensation
(MAX5019 only)
V
SCOMP
26
mV/
μ
s
THERMAL SHUTDOWN
Thermal Shutdown Temperature
Thermal Hysteresis
CURRENT LIMIT
CS Threshold Voltage
CS Input Bias Current
150
25
°
C
°
C
V
ILIM
FB = GND
0
≤
V
CS
≤
2V, FB = GND
419
-1
465
510
1
mV
μ
A
Current Limit Comparator
Propagation Delay
50mV overdrive on CS, FB = GND
180
ns
CS Blanking Time
OSCILLATOR
Clock Frequency Range
FB = GND, only PWM comparator is blanked
70
ns
FB = GND
MAX5019, FB = GND
MAX5020, FB = GND
247
75
44
275
302
85
50
kHz
Max Duty Cycle
%
SOFT-START
SS Source Current
SS Sink Current
Steady State Reference Voltage
at SS_
SHDN
I
SSO
V
SS_
SHDN
= 0
2.0
1.0
4.5
6.5
μ
A
mA
V
SS
_
SHDN
No external load
2.331
2.420
2.500
V
V
SS_
SHDN
falling
V
SS_
SHDN
rising
0.25
0.53
0.37
0.59
0.41
0.65
Shutdown Threshold
V
Typical Operating Characteristics
(V+ = 48V, V
DD
= 13V, CS = GND, NRDV is open circuit, T
A
= +25
°
C, unless otherwise noted.)
0.999
1.000
1.001
1.002
1.003
-40
0
TEMPERATURE (
°
C)
-20
20
40
60
80
V
SS_SHDN
vs. TEMPERATURE
(AT THE END OF SOFT-START)
M
V
FB
= 4V
V
S
(
R
=
273
274
276
275
277
278
-40
0
TEMPERATURE (
°
C)
-20
20
40
60
80
NDRV FREQUENCY
vs. TEMPERATURE
M
N
FB = GND
80.4
80.6
80.5
80.8
80.7
80.9
81.0
-40
20
40
-20
0
TEMPERATURE (
°
C)
60
80
MAX5019
MAXIMUM DUTY CYCLE
vs. TEMPERATURE
M
M
FB = GND
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| MAX5019CSA | 功能描述:電流型 PWM 控制器 w/Integrated Startup RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX5019CSA+ | 功能描述:電流型 PWM 控制器 w/Integrated Startup RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX5019CSA+T | 功能描述:電流型 PWM 控制器 w/Integrated Startup RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX5019CSA-T | 功能描述:電流型 PWM 控制器 w/Integrated Startup RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| MAX5019ESA | 功能描述:電流型 PWM 控制器 w/Integrated Startup RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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