MAX5019 查看數據表（PDF） - Maxim Integrated
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MAX5019 Datasheet PDF : 14 Pages
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Current-Mode PWM Controllers with Integrated
Startup Circuit
VDD
VDD-OK
V+
IN
IN
HIGH-
BIAS
VOLTAGE
WINDING
GND
REGULATOR
REGULATOR
EN
OUT
EN
OUT
0.7V
VCC
MAX5019 ONLY
26mV/µs
SLOPE
COMPENSATION
26mV/µs
1MΩ
∑
FB 50kΩ
ERROR
AMP
SS_SHDN
2.4V
275kHz
OSCILLATOR
80%/50%
DUTY CYCLE
CLAMP
UVLO
6.6V
R
Q
S
PWM
ILIM
125mV
5kΩ
VCC
70ns
BLANKING
4µA
3R
BUF
R
VCC
NDRV
CS
0.25V
Figure 1. Functional Diagram
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