ISL8844AABZ Intersil, ISL8844AABZ Datasheet - Page 3

• Manufacturer Part Number: ISL8844AABZ
• Description: IC PWM CTRLR SGL-ENDED 8-SOIC
• Manufacturer: Intersil

Specifications of ISL8844AABZ

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 2MHz
• Duty Cycle: 50%
• Voltage - Supply: 9 V ~ 30 V
• Buck: Yes
• Boost: Yes
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 8-SOIC (3.9mm Width)
• Frequency-max: 2MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Functional Block Diagram
COMP
RTCT
GND
V DD
CS
FB
100k
150k
VREF
AMPLIFIER
ERROR
2.9V
1.0V
ON
8.4mA
+ -
COMPARATOR
OSCILLATOR
UV COMPARATOR
+
-
START/STOP
2.5V
<10ns
+
-
+
-
VF TOTAL = 1.15V
A = 0.5
CLOCK
A
V DD
ON
OK
100mV
2R
ENABLE
R
COMPARATOR
CLAMP
V REF
5.00V
1.1V
PWM
+
-
ISL8841A/
ISL8844A/
ISL8845A
DOMINANT
ONLY
RESET
T
S
R
Q
Q
Q
Q
VREF FAULT
UV COMPARATOR
4.65V
VREF
4.80V
+
-
36k
VREF
OUT