MAX15000BEUB 查看數據表（PDF） - Maxim Integrated
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MAX15000BEUB Datasheet PDF : 18 Pages
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Current-Mode PWM Controllers with
Programmable Switching Frequency
Functional Diagram
IN
IN
CLAMP
26.1V
DIGITAL
SOFT-START
REFERENCE
1.23V
UVLO/EN
COMP
FB
CS
1.23V
1.17V
ERROR
AMP
1.4V
CPWM
21.6V
9.74V
UVLO
BOOTSTRAP UVLO
*
210µs
DELAY
IN
VCC
REGULATOR
REG_OK VL
(INTERNAL 5.25V
SUPPLY)
OSCILLATOR
S
Q
R
DRIVER
VCS
1V
ILIM
MAX15000
MAX15001
VCC
UFLG
N
NDRV
GND
RT
*MAX15000 ONLY
Selector Guide
PART
BOOTSTRAP STARTUP MAX DUTY
UVLO
VOLTAGE (V) CYCLE (%)
MAX15000A
Yes
22
50
MAX15000B
Yes
22
75
MAX15001A*
No
MAX15001B*
No
9.5
50
9.5
75
*The MAX15001 does not have an internal bootstrap UVLO. The
MAX15001 starts operation as long as VIN is higher than 9.5V
and UVLO/EN is higher than 1.23V.
PROCESS: BiCMOS
Chip Information
______________________________________________________________________________________ 17
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