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MAX5019 Datasheet(PDF) 2 Page - Maxim Integrated Products

Part No. MAX5019
Description  Current-Mode PWM Controllers with Integrated Startup Circuit
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
Logo MAXIM - Maxim Integrated Products

MAX5019 Datasheet(HTML) 2 Page - Maxim Integrated Products

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Current-Mode PWM Controllers with Integrated
Startup Circuit
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VDD = 13V, a 10µF capacitor connects VCC to GND, VCS = 0, V+ = 48V, 0.1µF capacitor connected from SS_SHDN to GND, NDRV
= open circuit, VFB = 3V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +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.
V+ to GND ……………………………………...……-0.3V to +120V
VDD to GND.………………………………….……….-0.3V to +40V
VCC to GND.………………….……………………-0.3V to +12.5V
FB, NDRV, SS_SHDN, CS to GND .……-0.3V to VCC + 0.3V
VDD and VCC Current …………………...…………………..20mA
NDRV Current Continuous...………………………………….25mA
NDRV Current for Less than 1µs..………….…………….……±1A
Continuous Power Dissipation (TA = +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
IV+(NS)
VDD = 0, V+ = 110V, driver not switching
0.8
1.6
V+ Supply Current
IV+(S)
V+ = 110V, VDD = 0, FB = GND,
driver switching
1.6
3.0
mA
V+ Supply Current After Startup
V+ = 110V, VDD = 13V, FB = GND
14
µA
IVDD(NS)
VDD = 36V, driver not switching
0.9
1.6
VDD Supply Current
IVDD(S)
VDD = 36V, driver switching, FB = GND
2.1
3.0
mA
V+ Shutdown Current
VSS_SHDN = 0, V+ = 110V
180
290
µA
VDD Shutdown Current
VSS_SHDN = 0
4
20
µA
PREREGULATOR/STARTUP
V+ Input Voltage
18
110
V
VDD Supply Voltage
13
36
V
INTERNAL REGULATORS (VCC)
Powered from V+, ICC = 7.5mA, VDD = 0
7.5
9.8
12.0
V
VCC Output Voltage
Powered from VDD, ICC = 7.5mA
9.0
10.0
11.0
V
VCC Undervoltage Lockout
VCC_UVLO
VCC falling
6.6
V
OUTPUT DRIVER
Peak Source Current
VCC = 11V (externally forced)
570
mA
Peak Sink Current
VCC = 11V (externally forced)
1000
mA
NRDV High-Side Driver
Resistance
ROH
VCC = 11V, externally forced,
NDRV sourcing 50mA
412
NDRV Low-Side Driver
Resistance
ROL
VCC = 11V, externally forced,
NDRV sinking 50mA
1.6
4
ERROR AMPLIFIER
FB Input Resistance
RIN
50
k
FB Input Bias Current
IFB
VFB = VSS_SHDN
±1
µA
Error Amplifier Gain (Inverting)
AVCL
-20
V/V
Closed-Loop 3dB Bandwidth
200
kHz
FB Input Voltage Range
23
V


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