ISL89411 INTERSIL [Intersil Corporation], ISL89411 Datasheet - Page 26

• Manufacturer Part Number: ISL89411
• Description: Intersil Power Management Solutions
• Manufacturer: INTERSIL [Intersil Corporation]

26
Single Output Boost Regulators
ISL9111
ISL9111A
ISL9113
ISL97701
ISL98012
ISL97516
ISL97519
ISL97519A
ISL97656
Intersil Power Management Solutions  2012  www.intersil.com
Device
• Up to 87% Efficiency
• 2.3V to 5.5V Input
• Up to 28V Output
• Integrated Boost Schottky Diode
• Input Voltage Disconnect Switch for
• Synchronization Input
• 10 Ld 3x3 DFN Package
• Pb-free (RoHS Compliant)
Key Features
Boost Regulator
with Integrated
Schottky and Input
Disconnect Switch
Low Input Voltage, High Efficiency
Synchronous Boost Converter with 1A
Switch
Low Input Voltage, High Efficiency
Synchronous Boost Converter with 1A
Switch
Low Input Voltage and High Efficiency
Synchronous Boost Converter with 1.3A
Switch
Boost Regulator with Integrated Schottky
and Input Disconnect Switch
Wide Input Voltage, Adjustable Frequency
Boost Regulator
600kHz/1.2MHz PWM Step-Up Regulator
1% Output Accuracy PWM Step-Up
Regulator with 1.294V Reference
1% Output Accuracy PWM Step-Up
Regulator with 1.24V Reference
High current PWM Step-Up Regulator with
1.24V Reference
Micro Power Shutdown
Device Description
Min
V
(V)
0.8
0.8
0.8
2.3
1.8
2.3
2.3
2.3
2.3
IN
Max
5.25
5.25
13.2
V
(V)
4.7
5.5
5.5
5.5
5.5
5.5
IN
V
1.1 *
Min
1.1*
1.1*
1.1*
1.1*
(V)
2.5
2.5
Vin
4.5
V
V
V
V
OUT
1
IN
IN
IN
IN
Integrated input
disconnect
switch enables
true micro
power shutdown
V
Synchronization input
to lock to preferred
switching frequency to
reduce unwanted noise
in the system
Max
5.25
5.25
(V)
5.2
OUT
28
17
25
25
25
25
Up to 2.5W Output Power Delivered
in a 3x3mm TDFN package
Highly Integrated Design Reduces
External Components
Limit (A)
Current
Boost
500mA
1.2
1.2
1.4
1.2
2
2
2
4
RECOMMENDED MAXIMUM OUTPUT POWER vs INPUT VOLTAGE
NOTE: VOUT = (390k + 39k)/39k*1.15V = 12.65V
2.3V TO 5.5V
5µF
C
0
-1.7%, +1.15%
0.800V / ±2%
0.800V / ±2%
Feedback
Voltage &
Accuracy
0.8V ±2%
1.294V
1.294V
±2.6%
±1.6%
1.15V
1.33V
1.24V
1.24V
±3%
±1%
±1%
3.2
2.9
2.6
2.3
2.0
1.7
1.4
1.1
0.8
0.5
VDDOUT
VDD
NEN
NSYNC
GND
2.3
2.7
Single Output Boost Regulators: ISL97701
Under Voltage Lockout, Soft-Start, 1.2MHz switching
frequency
Soft-Start, 1.2MHz switching frequency
95% Efficiency, Low Quiescent Current Boost
Converter for USB-OTG or HDMI Applications
Integrated Schottky, Low quiescent current and input
disconnect switch for micropower shutdown
Adjustable Soft-Start, 380kHz to 750kHz SF, Low
battery detection
Adjustable Soft-Start, 600kHz/1.2MHz switching
frequency
Adjustable Soft-Start, 620kHz/1.25MHz switching
frequency
Adjustable Soft-Start, 620kHz/1.25MHz switching
frequency
Adjustable Soft-Start, 640kHz/1.22MHz switching
frequency, high output current capability
3.1
6.8µH
3.5
L
1
V
IN
ISL97701
3.9
(V)
4.3
Features
4.7
VOUT
FB
LX
5.1
5.5
3.3µF
V
C
Integrated Schottky diode
Internally compensated
boost requires only a
small 3.3uF output cap for
stability.
DD
1
+2V TO 30V
R
390kΩ
R
39kΩ
1
2
6 Ld SOT23
6 Ld SOT23
8 Ld DFN
10 Ld DFN
10 Ld MSOP
8 Ld MSOP
8 Ld MSOP
8 Ld MSOP
10 Ld TDFN
Package