Rainbow Electronics MAX5068 - Manual (Page 17)

MAX5068
High-Frequency, Current-Mode PWM Controller
with Accurate Programmable Oscillator
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MAX5068C
IN
NDRV
CS
PGND
FB V CC
AGND
REG5
UVLO/EN
RT
SCOMP
DT
FLTINT
D2
R1
C1
Q1
COMP
V IN
C2
C3
C4
R3
R4
R6
R7
SYNC
R2
R5 C5
R CS
VOUT
R11
C6
C10 R12
R13
MAX8515
R9
R10 R8
V CC
PS2913
C7
D1
Typical Operating Circuit
Selector Guide
PART
NUMBER
MAX DUTY
CYCLE
BOOTSTRAP
UVLO
STARTUP
VOLTAGE (V)
PROGRAMMABLE
UVLO
HYSTERESIS
OSCILLATOR
SYNC
SLOPE
COMPENSATION
MAX5068A 50% Yes 23.6 Yes Yes No
MAX5068B 50% No 10.8 Yes Yes No
MAX5068C 75% Yes 23.6 No Yes Yes
MAX5068D 75% Yes 23.6 Yes No Yes
MAX5068E 75% No 10.8 No Yes Yes
MAX5068F 75% No 10.8 Yes No Yes