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MAX17500AEUB+

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18
MAX17499/MAX17500
Current-Mode PWM Controllers with
Programmable Switching Frequency
16 ______________________________________________________________________________________
8
9
10
3
2
1
UVLO/EN
IN
7
4
V
CC
NDRV
GND
UFLG
FB
COMP
6
5
RT
CS
T1
R3
R2
R5
R12
R1
R4
C536V TO 72V
+
-
C2
C2
C1
C4
D2
D1
C6
R11
V
OUT
R15
R6
Q1
MAX17500
Typical Application Circuit
MAX17499/MAX17500
Current-Mode PWM Controllers with
Programmable Switching Frequency
______________________________________________________________________________________ 17
Selector Guide
*
The MAX17499 does not have an internal bootstrap UVLO. The
MAX17499 starts operation as long as V
IN
is higher than 9.5V
and UVLO/EN is higher than 1.23V.
PART*
BOOTSTRAP
UVLO
STARTUP
VOLTAGE (V)
MAX DUTY
CYCLE (%)
MAX17499A No 9.5 50
MAX17499B No 9.5 75
MAX17500A Yes 22 50
MAX17500B Yes 22 75
Chip Information
PROCESS: BiCMOS
DRIVER
FB
CS
NDRV
GND
IN
COMP
UVLO/EN
IN
CLAMP
26.1V
*MAX17500 ONLY
*
UFLG
V
CC
MAX17499
MAX17500
ERROR
AMP
CPWM
UVLO
RT
OSCILLATOR
ILIM
S
R
REG_OK
REGULATOR
(INTERNAL 5.25V
SUPPLY)
IN
V
L
V
CC
Q
1.23V
1.17V
V
CS
1V
1.4V
DIGITAL
SOFT-START
REFERENCE
1.23V
N
210μs
DELAY
BOOTSTRAP UVLO
21.6V
9.74V
Functional Diagram
Package Information
For the latest package outline information and land patterns
(footprints), go to www.maxim-ic.com/packages
. Note that a
“+”, “#”, or “-” in the package code indicates RoHS status only.
Package drawings may show a different suffix character, but
the drawing pertains to the package regardless of RoHS status.
PACKAGE
TYPE
PACKAGE
CODE
OUTLINE
NO.
LAND
PATTERN NO.
10 μMAX U10+2
21-0061 90-0330
MAX17499/MAX17500
Current-Mode PWM Controllers with
Programmable Switching Frequency
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
18
____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2011 Maxim Integrated Products Maxim is a registered trademark of Maxim Integrated Products, Inc.
Revision History
REVISION
NUMBER
REVISION
DATE
DESCRIPTION
PAGES
CHANGED
0 9/10 Initial release —
1 7/11 Changed operating temperature from -40°C to +85°C to -40°C to +125°C 1–4
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18

MAX17500AEUB+

Mfr. #:
Buy MAX17500AEUB+
Manufacturer:
Maxim Integrated
Description:
Switching Controllers w/Prog Switch Frequency
Lifecycle:
New from this manufacturer.
Delivery:
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