ISL97801ARZ-TK Intersil, ISL97801ARZ-TK Datasheet - Page 8

• Manufacturer Part Number: ISL97801ARZ-TK
• Description: IC LED DRIVER AUTOMOTIVE 20-QFN
• Manufacturer: Intersil
• Type: Automotiver

Specifications of ISL97801ARZ-TK

• Topology: PWM, Step-Down (Buck), Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Automotive, Backlight
• Frequency: 850kHz ~ 1.15MHz
• Voltage - Supply: 2.7 V ~ 16 V
• Voltage - Output: 32V
• Mounting Type: Surface Mount
• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• Operating Temperature: -40°C ~ 105°C
• Current - Output / Channel: 1A
• Internal Switch(s): Yes
• Efficiency: 90%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ISL97801ARZ-TK

Typical Performance Curves
Typical Boost Mode Application Diagram
FB = 0V
0.1µF
FIGURE 25. OVP AND RESET
V
DC
V
BAT
SENSOR
TEMP
8
FIGURE 27. TYPICAL BOOST MODE APPLICATION CIRCUIT
(Continued)
PWM
1V
VIN
FAULT
VBAT
VDC
BUCK/BOOSTN
TEMP
TMAX
EN/PWM
MODE
LEVEL
ISL97801
SWD1
SWD2
SWS1
SWS2
GND
OVP
ENL
VHI
FB
8LEDs
V
I
LED
IN
= 3.3V
= 380mA
FIGURE 26. CURRENT LIMIT
April 2, 2007
FN6428.1