max5015esat Maxim Integrated Products, Inc., max5015esat Datasheet - Page 7

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

Figure 1. Functional Diagram
Current-Mode PWM Controllers with Integrated
26mV/µs
MAX5014 ONLY
V
V+
GND
OPTO
SS_SHDN
0.4V
DD
COMPENSATION
Startup Circuit for Isolated Power Supplies
26mV/µs
SLOPE
∑
_______________________________________________________________________________________
IN
EN
2.4V
REGULATOR
VOLTAGE
HIGH-
OUT
PWM
DUTY CYCLE
80%/50%
CLAMP
OSCILLATOR
275kHz
EN
REGULATOR
WINDING
BIAS
4µA
OUT
BUF
IN
Vb
6.6V
0.7V
BLANKING
ILIM
3R
UVLO
70ns
R
S
R
V
DD
125mV
-
Q
OK
5kΩ
NDRV
V
CS
CC
7