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ISL9106 の電気的特性と機能

ISL9106のメーカーはIntersil Corporationです、この部品の機能は「1.2A 1.6MHz Low Quiescent Current High Efficiency Synchronous Buck Regulator」です。


製品の詳細 ( Datasheet PDF )

部品番号 ISL9106
部品説明 1.2A 1.6MHz Low Quiescent Current High Efficiency Synchronous Buck Regulator
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 




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ISL9106 Datasheet, ISL9106 PDF,ピン配置, 機能
®
Data Sheet
June 29, 2007
ISL9106
FN6509.0
1.2A 1.6MHz Low Quiescent Current High
Efficiency Synchronous Buck Regulator
ISL9106 is a 1.2A, 1.6MHz step-down regulator, which is
ideal for powering low-voltage microprocessors in compact
devices such as PDAs and cellular phones. It is optimized
for generating low output voltages down to 0.8V. The supply
voltage range is from 2.7V to 5.5V allowing the use of a
single Li+ cell, three NiMH cells or a regulated 5V input.
1.6MHz pulse-width modulation (PWM) switching frequency
www.DataSheaellto4wU.scoumsing small external components. It has flexible
operation mode selection of forced PWM mode and Skip
(Low IQ) mode with typical 17μA quiescent current for
highest light load efficiency to maximize battery life.
The ISL9106 integrates a pair of low ON-resistance
P-Channel and N-Channel MOSFETs to maximize efficiency
and minimize external component count.
The ISL9106 offers a typical 215ms Power-Good (PG) timer
when powered up. The timer output can be reset by RSI.
When shutdown, ISL9106 discharges the output capacitor.
Other features include internal digital soft-start, enable for
power sequence, overcurrent protection, and thermal
shutdown.
The ISL9106 is offered in 10 Ld 3mmx3mm DFN package
with 0.9mm typical height. The complete converter can
occupy less than 1cm2 area.
Ordering Information
PART
NUMBER
(Note)
TEMP.
PART RANGE
MARKING (°C)
PACKAGE
(Pb-free)
PKG.
DWG. #
ISL9106IRZ 106Z
-40 to +85 10 Ld 3x3 DFN L10.3x3C
ISL9106IRZ-T 106Z
-40 to +85 10 Ld 3x3 DFN L10.3x3C
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100%
matte tin plate termination finish, which are RoHS compliant and
compatible with both SnPb and Pb-free soldering operations. Intersil
Pb-free products are MSL classified at Pb-free peak reflow
temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
Features
• High Efficiency Integrated Synchronous Buck Regulator
with up to 95% Efficiency
• 2.7V to 5.5V Supply Voltage
• 17μA Quiescent Supply Current in Skip (Low IQ) Mode
• 1.2A Guaranteed Output Current
• 3% Output Accuracy Over Temperature/Load/Line
• Selectable Forced PWM Mode and Skip Mode
• Less than 1μA Logic Controlled Shutdown Current
• 100% Maximum Duty Cycle for Lowest Dropout
• Discharge Output Cap when Shutdown
• Internal Digital Soft-Start
• Peak Current Limiting, Short Circuit Protection
• Over-Temperature Protection
• Enable, Power Good Function
• 10 Ld 3mmx3mm DFN
• Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
• Single Li-Ion Battery-Powered Equipment
• DSP Core Power
• PDAs and Palmtops
Pinout
ISL9106
(10 LD 3X3 DFN)
TOP VIEW
VIN 1
NC 2
EN 3
PG 4
MODE 5
10 SW
9 PGND
8 SGND
7 FB
6 RSI
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

1 Page





ISL9106 pdf, ピン配列
ISL9106
Electrical Specifications
PARAMETER
Unless otherwise noted, all parameter limits are guaranteed over the recommended operating conditions and
the typical specifications are measured at the following conditions: TA = +25°C, VIN = VEN = VMODE = 3.6V,
VRSI = 0V, L = 2.2µH, C1 = 10µF, C2 = 10µF, IOUT = 0A (see the Typical Application Circuit). (Continued)
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNITS
PG
Output Low Voltage
Sinking 1mA, VFB = 0.7V
- - 0.3 V
Delay Time
150 215 275
ms
PG Pin Leakage Current
Minimum Supply Voltage for Valid PG Signal
PG = VIN = 3.6V
- 0.01 0.1
1.2 -
-
μA
V
Internal PGOOD Low Rising Threshold
Percentage of Nominal Regulation Voltage 89.5 92 94.5
%
Internal PGOOD Low Falling Threshold
Percentage of Nominal Regulation Voltage
85
88
91
%
Internal PGOOD High Rising Threshold
www.DataSheet4U.com
Internal PGOOD High Falling Threshold
Percentage of Nominal Regulation Voltage
Percentage of Nominal Regulation Voltage
108.2
104
110.7
107
113.2
110
%
%
Internal PGOOD Delay Time
- 50 - µs
EN, MODE, RSI
Logic Input Low
- - 0.4 V
Logic Input High
1.4 - - V
Logic Input Leakage Current
Pulled up to 5.5V
- 0.1 1 µA
Thermal Shutdown
- 150 -
°C
Thermal Shutdown Hysteresis
- 25 - °C
3 FN6509.0
June 29, 2007


3Pages


ISL9106 電子部品, 半導体
ISL9106
Typical Operating Performance (Continued)
2V/DIV
50mV/DIV
VSW
VOUT (AC COUPLED)
200mA/DIV
www.DataSheet4U.com
IL
4μs/DIV
FIGURE 13. STEADY-STATE IN SKIP MODE (VIN = 5.0V,
VOUT = 3.3V, IOUT = 35mA)
VSW
2V/DIV
20mV/DIV
VSW
VOUT (AC COUPLED)
1A/DIV
IL
1μs/DIV
FIGURE 14. STEADY-STATE IN PWM MODE (VIN = 5.0V,
VOUT = 3.3V, IOUT = 1.2A)
VSW
2V/DIV
100mV/DIV
VOUT (AC COUPLED)
1A/DIV
IL
100μs/DIV
FIGURE 15. LOAD TRANSIENT TEST (MODE = VIN = 5.0V;
VO = 1.5V; IO = 0.01A~1A)
VSW
2V/DIV
100mV/DIV
1A/DIV
VOUT (AC COUPLED)
IL
100μs/DIV
FIGURE 17. LOAD TRANSIENT TEST (MODE = VIN = 3.6V;
VO = 1.5V; IO = 0.01A~1A)
6
2V/DIV
100mV/DIV
VOUT (AC COUPLED)
1A/DIV
IL
100μs/DIV
FIGURE 16. LOAD TRANSIENT TEST (MODE = GND,
VIN = 5.0V; VO = 1.5V; IO = 0.01A~1A)
VSW
2V/DIV
100mV/DIV
VOUT (AC COUPLED)
1A/DIV
IL
100µs/DIV
FIGURE 18. LOAD TRANSIENT TEST (MODE = GND,
VIN = 3.6V; VO = 1.5V; IO = 0.01A~1A)
FN6509.0
June 29, 2007

6 Page



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