MAX17499 Maxim Integrated Products, MAX17499 Datasheet - Page 17

• Manufacturer Part Number: MAX17499
• Description: (MAX17499 / MAX17500) Current-Mode PWM Controllers
• Manufacturer: Maxim Integrated Products

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* The MAX17499 does not have an internal bootstrap UVLO. The
MAX17499 starts operation as long as V
and UVLO/EN is higher than 1.23V.
MAX17499A
MAX17499B
MAX17500A
MAX17500B
UVLO/EN
PART*
COMP
FB
CS
IN
CLAMP
26.1V
BOOTSTRAP
IN
______________________________________________________________________________________
UVLO
Yes
Yes
No
No
ERROR
AMP
V
1V
CS
1.4V
SOFT-START
Programmable Switching Frequency
DIGITAL
Current-Mode PWM Controllers with
VOLTAGE (V)
STARTUP
Selector Guide
IN
9.5
9.5
22
22
CPWM
ILIM
is higher than 9.5V
REFERENCE
1.23V
MAX DUTY
CYCLE (%)
1.23V
1.17V
50
75
50
75
UVLO
21.6V
9.74V
OSCILLATOR
RT
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.
PROCESS: BiCMOS
BOOTSTRAP UVLO
PACKAGE
10 μMAX
TYPE
*
210μs
DELAY
MAX17499
MAX17500
S
R
Q
PACKAGE
U10+2
CODE
IN
REG_OK
REGULATOR
Package Information
Functional Diagram
(INTERNAL 5.25V
SUPPLY)
V
Chip Information
CC
V
L
DRIVER
OUTLINE
21-0061
NO.
*MAX17500 ONLY
PATTERN NO.
N
90-0330
LAND
NDRV
GND
V
UFLG
CC
17
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