參數(shù)資料
型號： MAX5020ESA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Analog IC
中文描述： 1 A SWITCHING CONTROLLER, 302 kHz SWITCHING FREQ-MAX, PDSO8
封裝： 0.150 INCH, SOIC-8
文件頁數(shù)： 2/14頁
文件大小： 328K
代理商： MAX5020ESA
M
Current-Mode PWM Controllers with Integrated
Startup Circuit
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V+ to GND……………………………………...……-0.3V to +120V
V
DD
to GND.………………………………….……….-0.3V to +40V
V
CC
to GND.………………….……………………-0.3V to +12.5V
FB, NDRV, SS_
SHDN
, CS to GND .……-0.3V to V
CC
+ 0.3V
V
DD
and V
CC
Current …………………...…………………..20mA
NDRV Current Continuous...………………………………….25mA
NDRV Current for Less than 1μs..………….…………….……±1A
ELECTRICAL CHARACTERISTICS
(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.)
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.
Continuous Power Dissipation (T
A
= +70°C)
8-Pin SO (derate 5.88mW/°C above +70°C).………....471mW
Operating Temperature Range…………..……...-40°C to +85°C
Storage Temperature Range……………..…….-65°C to +150°C
Lead Temperature (soldering, 10s) ………………………+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY CURRENT
I
V+(NS)
V
DD
= 0, V+ = 110V, driver not switching
V+ = 110V, V
DD
= 0, FB = GND,
driver switching
V+ = 110V, V
DD
= 13V, FB = GND
V
DD
= 36V, driver not switching
V
DD
= 36V, driver switching, FB = GND
V
SS_
SHDN
= 0, V+ = 110V
V
SS_
SHDN
= 0
0.8
1.6
V+ Supply Current
I
V+(S)
1.6
3.0
mA
V+ Supply Current After Startup
14
0.9
2.1
180
4
μ
A
I
VDD(NS)
I
VDD(S)
1.6
3.0
290
20
V
D D
S up p y C ur ent
mA
V+ Shutdown Current
V
DD
Shutdown Current
PREREGULATOR/STARTUP
V+ Input Voltage
V
DD
Supply Voltage
INTERNAL REGULATORS (V
CC
)
μ
A
μ
A
18
13
110
36
V
V
Powered from V+, I
CC
= 7.5mA, V
DD
= 0
Powered from V
DD
, I
CC
= 7.5mA
V
CC
falling
7.5
9.0
9.8
10.0
6.6
12.0
11.0
V
V
V
V
CC
Output Voltage
V
CC
Undervoltage Lockout
OUTPUT DRIVER
Peak Source Current
Peak Sink Current
V
CC_UVLO
V
CC
= 11V (externally forced)
V
CC
= 11V (externally forced)
570
1000
mA
mA
NRDV High-Side Driver
Resistance
R
OH
V
CC
= 11V, externally forced,
NDRV sourcing 50mA
4
12
NDRV Low-Side Driver
Resistance
R
OL
V
CC
= 11V, externally forced,
NDRV sinking 50mA
1.6
4
ERROR AMPLIFIER
FB Input Resistance
FB Input Bias Current
Error Amplifier Gain (Inverting)
Closed-Loop 3dB Bandwidth
FB Input Voltage Range
R
IN
I
FB
A
VCL
50
±
1
-20
200
k
μ
A
V/V
kHz
V
V
FB =
V
SS_
SHDN
2
3
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX5020ESA+ 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
MAX5020ESA+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
MAX5020ESA+TG035 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX5020ESA-G05 功能描述:電流型 PWM 控制器 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
MAX5020ESA-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
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