max5015esat Maxim Integrated Products, Inc., max5015esat Datasheet - Page 3

• Manufacturer Part Number: max5015esat
• Description: Current-mode Pwm Controllers With Integrated Startup Circuit For Isolated Power Supplies
• Manufacturer: Maxim Integrated Products, Inc.

(V+ = 48V, V
ELECTRICAL CHARACTERISTICS (continued)
(V
cuit, OPTO = GND, T
THERMAL SHUTDOWN
Thermal Shutdown Temperature
Thermal Hysteresis
CURRENT LIMIT
CS Threshold Voltage
CS Input Bias Current
Current Limit Comparator
Propagation Delay
CS Blanking Time
OSCILLATOR
Clock Frequency Range
Max Duty Cycle
SOFT-START
SS Source Current
SS Sink Current
Peak Soft-Start Voltage Clamp
Shutdown Threshold
DD
Current-Mode PWM Controllers with Integrated
1.003
1.002
1.000
0.999
1.001
= 13V, a 10µF capacitor connects V
-40
PARAMETER
(AT THE END OF SOFT-START)
DD
V
-20
Startup Circuit for Isolated Power Supplies
SS_SHDN
= 13V, NRDV is open circuit, T
OPTO = CS = GND
TEMPERATURE (°C)
0
_______________________________________________________________________________________
A
vs. TEMPERATURE
= -40°C to +85°C, unless otherwise noted. Typical values are at T
20
40
60
SYMBOL
V
80
I
SSO
ILIM
CC
to GND, V
A
= +25°C, unless otherwise noted.)
278
277
276
275
274
273
V
0 ≤ V
25mV overdrive on CS, V
V
V
MAX5014, V
MAX5015, V
V
No external load
V
V
OPTO
OPTO
OPTO
SS_SHDN
SS_SHDN
SS_SHDN
-40
CS
CS
= 4V
= 4V
= 4V
-20
≤ 2V, V
= 0, V+ = 48V, 0.1µF capacitor connected to SS_SHDN, NDRV = open cir-
= 0
rising
NDRV FREQUENCY vs.
falling
OPTO
OPTO
TEMPERATURE (°C)
TEMPERATURE
0
CONDITIONS
OPTO
V
OPTO
= 4V
= 4V
20
= 4V, CS = GND
= 4V
Typical Operating Characteristics
40
OPTO
60
= 4V
80
A
= +25°C.)
81.0
80.9
80.8
80.7
80.6
80.5
80.4
-40
2.331
0.25
0.53
MIN
419
247
2.0
1.0
75
44
-1
MAX5014 MAXIMUM DUTY CYCLE
-20
vs. TEMPERATURE
V
2.420
TYP
0.37
0.59
OPTO
150
465
180
275
TEMPERATURE (°C)
4.6
0
25
70
= 4V, CS = GND
20
2.500
MAX
0.41
0.65
510
302
6.5
85
50
40
1
60
UNITS
kHz
mV
mA
µA
µA
°C
°C
ns
ns
%
V
V
80
3