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ISL91117 の電気的特性と機能

ISL91117のメーカーはIntersilです、この部品の機能は「High Efficiency Synchronous Boost Converter」です。


製品の詳細 ( Datasheet PDF )

部品番号 ISL91117
部品説明 High Efficiency Synchronous Boost Converter
メーカ Intersil
ロゴ Intersil ロゴ 




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ISL91117 Datasheet, ISL91117 PDF,ピン配置, 機能
High Efficiency Synchronous Boost Converter with
4.2A Switches and Output Disconnect
ISL91117
The ISL91117 is a highly-integrated boost switching regulator
for battery powered applications. The device provides a power
supply solution for products using dual-cell or three-cell
alkaline, NiCd or NiMH, or one-cell Li-ion or Li-polymer battery.
This device is capable of delivering an output current of 1.5A
with PVIN = 3.3V and VOUT = 5V. The use of a synchronous
rectifier maximizes efficiency at high loads. No-load quiescent
current of only 35µA optimizes efficiency under light-load
conditions. Forced PWM and/or synchronization to an external
clock may also be selected for noise sensitive applications.
The ISL91117 is designed for standalone applications and
supports 5V fixed output voltage or variable output voltages
with an external resistor divider. Power supply solution size is
minimized by a 2.34mm x 1.72mm WLCSP and a 2.6MHz
switching frequency, which allows for the use of tiny,
low-profile inductors and ceramic capacitors to minimize the
size of the solution.
Related Literature
AN1918, ISL91117II7-EVZ, ISL91117IIA-EVZ Evaluation
Boards
Features
• Input voltage range: 1.8V to 4.8V
• Fixed 5V or adjustable output
• Output current: up to 1.5A (PVIN = 3.3V, VOUT = 5V)
• High efficiency: up to 96%
• 35µA quiescent current maximizes light-load efficiency
• True input-output disconnect when disabled
• 2.6MHz switching frequency minimizes external component
size
• Selectable forced-PWM mode and external synchronization
• Fully protected for short-circuit, over-temperature and
undervoltage
• Small 2.34mm x 1.72mm WLCSP
Applications
• Smart phones and tablets
• Wireless communication devices
• Products including portable HDMI and USB-OTG
L1 1µH
VIN =
1.8V TO 4.8V
C1
22µF
BLKG
PVIN
VOUT
VIN ISL91117
EN
MODE
FB
VOUT = 5V
C2
2x22µF
FIGURE 1. TYPICAL FIXED OUTPUT APPLICATION
100
95 VIN = 4.2V
90
85 VIN = 3.6V
80 VIN = 3.0V
75 VIN = 2.7V
70
65
60
55
50
0.1
1 10 100
LOAD CURRENT (mA)
1000
FIGURE 2. EFFICIENCY vs LOAD CURRENT (VOUT = 5V)
March 7, 2014
FN8569.3
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2014. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.

1 Page





ISL91117 pdf, ピン配列
ISL91117
Ordering Information
PART NUMBER
(Notes 1, 2, 3)
PART
MARKING
VOUT
(V)
TEMP RANGE
(°C)
PACKAGE
(Pb-free)
PKG.
DWG. #
ISL91117II7Z-T (Note 4)
GAXC
5 -40 to +85 20 Ball WLCSP
W4x5.20F
ISL91117II7Z-T7A (Note 4)
GAXC
5 -40 to +85 20 Ball WLCSP
W4x5.20F
ISL91117IIAZ-T
GAXB
ADJ. -40 to +85 20 Ball WLCSP
W4x5.20F
ISL91117IIAZ-T7A
GAXB
ADJ. -40 to +85 20 Ball WLCSP
W4x5.20F
ISL91117II7-EVZ (Note 4)
Evaluation Board for ISL91117II7Z
ISL91117IIA-EVZ
Evaluation Board for ISL91117IIAZ
NOTES:
1. Please refer to TB347 for details on reel specifications.
2. These Intersil Pb-free WLCSP and BGA packaged products employ special Pb-free material sets; molding compounds/die attach materials and
SnAgCu - e1 solder ball terminals, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free
WLCSP and BGA packaged products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
3. For Moisture Sensitivity Level (MSL), please see device information page for ISL91117 For more information on MSL please see techbrief TB363.
4. Contact Intersil for Availability.
Submit Document Feedback
3
FN8569.3
March 7, 2014


3Pages


ISL91117 電子部品, 半導体
ISL91117
Typical Performance Curves
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
VIN (V)
FIGURE 3. MAXIMUM OUTPUT CURRENT vs INPUT VOLTAGE (VOUT = 5V)
100
90
80 VIN = 2.7V
70 VIN = 3.0V
60 VIN = 3.6V
50 VIN = 4.2V
40
30
20
10
0
0.1 1 10 100
LOAD CURRENT (mA)
FIGURE 4. EFFICIENCY vs LOAD CURRENT
(VOUT = 5V, MODE = LOW, TA = +25°C)
1000
100
LOAD = 500mA
95 LOAD = 100mA
90
85 LOAD = 10mA
80 LOAD = 1000mA
75
70
65
60
1.8 2.3 2.8 3.3 3.8 4.3 4.8
VIN (V)
FIGURE 5. EFFICIENCY vs INPUT VOLTAGE (MODE = HIGH, TA = +25°C)
140
130
120
110
100
90 +85°C
80 +25°C
70
-40°C
60
1.8 2.3 2.8 3.3 3.8 4.3 4.8
VIN (V)
FIGURE 6. INPUT CURRENT vs INPUT VOLTAGE (MODE = HIGH)
30
25
-40°C
+85°C
20
+25°C
15
10
5
0
1.8 2.3 2.8 3.3 3.8 4.3 4.8
VIN (V)
FIGURE 7. INPUT CURRENT vs INPUT VOLTAGE (MODE = LOW)
5.01
5.00
VIN = 2.7V
VIN = 4.2V
4.99
4.98
4.97
4.96
VIN = 3.0V
VIN = 3.6V
4.95
4.94
0.1 1 10 100
LOAD CURRENT (mA)
FIGURE 8. OUTPUT VOLTAGE vs LOAD CURRENT
(MODE = HIGH, TA = +25°C)
1000
Submit Document Feedback
6
FN8569.3
March 7, 2014

6 Page



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