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參數(shù)資料
| 型號(hào)： | ISL8009 |
| 廠商： | Intersil Corporation |
| 英文描述： | 1.5A Low Quiescent Current 1.6MHz High Efficiency Synchronous Buck Regulator(1.5A低靜態(tài)電流，1.6MHz高效同步降壓調(diào)節(jié)器) |
| 中文描述： | 1.5A的低靜態(tài)電流1.6MHz的高效率同步降壓穩(wěn)壓器（1.5A的低靜態(tài)電流，1.6MHz的高效同步降壓調(diào)節(jié)器） |
| 文件頁(yè)數(shù)： | 2/13頁(yè) |
| 文件大小： | 763K |
| 代理商： | ISL8009 |
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2
FN6441.0
July 11, 2007
Absolute Maximum Ratings (Reference to GND)
Thermal Information
Supply Voltage (V
IN
) . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V
EN, RSI, SKIP, VFB, POR . . . . . . . . . . . . . . . . . -0.3V to VIN + 0.3V
LX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1.5V to 6.5V
VFB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 2.7V
Recommended Operating Conditions
VIN Supply Voltage Range . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
Load Current Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0A to 1.5A
Ambient Temperature Range. . . . . . . . . . . . . . . . . . .-40°C to +85°C
Thermal Resistance (Typical, Notes 1, 2)
2x3 DFN Package . . . . . . . . . . . . . .
Junction Temperature Range. . . . . . . . . . . . . . . . . .-55°C to +125°C
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
θJA
(°C/W)
+78
θ
JC
(°C/W)
+11
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1.
θ
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
2.
θ
JC
, “case temperature” location is at the center of the exposed metal pad on the package underside. See Tech Brief TB379.
Electrical Specifications
Unless otherwise noted, all parameter limits are guaranteed over the recommended operating conditions and the
typical specification are measured at the following conditions: T
A
= +25°C, EN = VIN, RSI = SKIP = 0V,
V
IN
= 5V, L = 2.2μH, C1 = C2 = 20μF, I
OUT
= 0A to 1.5A, unless otherwise noted. See “Typical Applications” on
page 8.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
INPUT SUPPLY
VIN Undervoltage Lockout Threshold
V
UVLO
Rising
-
2.5
2.7
V
Falling
2.2
2.4
-
V
Quiescent Supply Current
I
VIN
SKIP = VIN, no load at the output
-
17
30
μA
SKIP = VIN, no load at the output and no
switches switching, design info only
-
15
-
μA
SKIP = GND, no load at the output
-
3.7
6
mA
Shutdown Supply Current
I
SD
V
IN
= 5.5V, EN = low
-
0.1
2
μA
OUTPUT REGULATION
VFB Regulation Voltage
V
VFB
0.784
0.8
0.816
V
VFB Bias Current
I
VFB
VFB = 0.75V
-
0.1
-
μA
Output Voltage Accuracy
V
IN
= V
O
+ 0.5V to 5.5V, I
O
= 0A to 1A
-3
-
3
%
Line Regulation
V
IN
= V
O
+ 0.5V to 5.5V (minimal 2.7V)
-
0.2
-
%/V
COMPENSATION
Error Amplifier Trans-Conductance
Adjustable version, design info only
-
20
-
μA/V
LX
P-Channel MOSFET On-Resistance
V
IN
= 5.5V, I
O
= 200mA
-
0.12
0.22
Ω
V
IN
= 2.7V, I
O
= 200mA
-
0.16
0.27
Ω
N-Channel MOSFET On-Resistance
V
IN
= 5.5V, I
O
= 200mA
-
0.11
0.22
Ω
V
IN
= 2.7V, I
O
= 200mA
-
0.15
0.27
Ω
P-Channel MOSFET Peak Current Limit
I
PK
1.8
2.1
2.4
A
LX Maximum Duty Cycle
I
O
= 1.5A
90
-
%
PWM Switching Frequency
f
S
1.35
1.6
1.75
MHz
LX Minimum On Time
SKIP = low (forced PWM mode)
70
100
ns
Soft-Start-Up Time
-
1.1
-
ms
Soft-Discharge Resistor
Enable = 0
80
100
120
Ω
ISL8009
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| ISL8009A | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:1.5A Low Quiescent Current 1.6MHz High Efficiency Synchronous Buck Regulator |
| ISL8009AEVAL1Z | 功能描述:EVALUATION BOARD FOR ISL8009A RoHS:是 類別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - DC/DC 與 AC/DC（離線）SMPS 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:True Shutdown™ 主要目的:DC/DC，步升 輸出及類型:1，非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):升壓 頻率 - 開(kāi)關(guān):3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969 |
| ISL8009AIRZ-T | 功能描述:IC REG BUCK SYNC ADJ 1.5A 8DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:EZBuck™ 類型:降壓（降壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:0.8 V ~ 22.1 V 輸入電壓:3 V ~ 26 V PWM 型:電流模式 頻率 - 開(kāi)關(guān):1.5MHz 電流 - 輸出:1.8A 同步整流器:無(wú) 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WFDFN 裸露焊盤 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:8-DFN（2x2） 其它名稱:785-1276-1 |
| ISL8009AIRZ-T7A | 功能描述:IC REG BUCK SYNC ADJ 1.5A 8DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)穩(wěn)壓器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:兩者兼有 輸出數(shù):1 輸出電壓:5V，1 V ~ 10 V 輸入電壓:3.5 V ~ 28 V PWM 型:電流模式 頻率 - 開(kāi)關(guān):220kHz ~ 1MHz 電流 - 輸出:600mA 同步整流器:無(wú) 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:16-QSOP |
| ISL8009AIRZ-TK | 功能描述:IC REG BUCK SYNC ADJ 1.5A 8DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)穩(wěn)壓器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:兩者兼有 輸出數(shù):1 輸出電壓:5V，1 V ~ 10 V 輸入電壓:3.5 V ~ 28 V PWM 型:電流模式 頻率 - 開(kāi)關(guān):220kHz ~ 1MHz 電流 - 輸出:600mA 同步整流器:無(wú) 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:16-QSOP |
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