參數(shù)資料
型號(hào)： MAX5019-MAX5020
廠(chǎng)商： Maxim Integrated Products, Inc.
英文描述： Current-Mode PWM Controllers with Integrated Startup Circuit
中文描述： 電流模式PWM集成啟動(dòng)電路控制器
文件頁(yè)數(shù)： 2/14頁(yè)
文件大?。?/td> 328K
代理商： MAX5019-MAX5020
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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