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參數(shù)資料
| 型號(hào)： | MAX1616EUK-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | High-Voltage, Low-Power Linear Regulators for Notebook Computers |
| 中文描述： | 1.24 V-28 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.35 V DROPOUT, PDSO5 |
| 封裝： | MO-178AA, SOT-23, 5 PIN |
| 文件頁(yè)數(shù)： | 6/8頁(yè) |
| 文件大?。?/td> | 92K |
| 代理商： | MAX1616EUK-T |
M
High-Voltage, Low-Power Linear Regulators
for Notebook Computers
6
_______________________________________________________________________________________
___________________Chip Information
TRANSISTOR COUNT: 386
tion is P = I
OUT
(V
IN
- V
OUT
). The power dissipation at
+70°C ambient is 571mW (see Absolute Maximum
Ratings). The thermal resistance junction-to-case of the
SOT23-5 package is 81°C/W, and the maximum safe
junction temperature is +150°C.
The GND pin performs the dual function of providing an
electrical connection to ground and channeling heat
away. Connect GND to ground using a large pad or
ground plane.
__________Applic ations Information
S etting the MAX 1616 Output V oltage
Set the MAX1616’s output voltage with two resistors, R1
and R2 (Figure 2). Choose R2 = 250k
to maintain a
5μA minimum load and calculate R1 using the following
equation:
where V
FBT
= 1.24V (typical).
Capac itor S elec tion
Use a 0.1μF minimum capacitor on the input. Higher
values will improve line-transient response.
Use 1μF minimum on the output, or 4.7μF for the full
30mA load current (6.8μF, MAX1616). Otherwise, use
1μF plus 0.125μF/mA (0.2μF/μA, MAX1616). For output
voltages less than 3.3V, use 15μF instead of 6.8μF. The
output capacitor’s effective series resistance (ESR) must
be less than 1
for stable operation.
Output V oltage Noise
The MAX1615/MAX1616 typically exhibit 5mVp-p of
noise during normal operation. This is negligible in
most applications. In applications that include analog-
to-digital converters (ADCs) of more than 12 bits, con-
sider the ADC’s power-supply-rejection specifications.
T ransient Response
The Typical Operating Characteristics show the
MAX1615/MAX1616’s load-transient response. Two of
the output response’s components can be observed on
the load-transient graph: a DC shift from the output
impedance due to the different load currents, and the
transient response. Typical step changes in the load
current from 10mA to 20mA produce 50mV transients.
Increasing the output capacitor’s value attenuates tran-
sient spikes.
R1 = R2
V
V
OUT
FBT
1
Table 1. Surface-Mount Capacitor
Manufacturers
MANUFACTURER
CAPACITOR
Sprague
593D, 595 series
Electrolytic
AVX
TPS series
TYPE
Matsuo
267 series
Ceramic
AVX
X7R
Matsuo
X7R
Table 2. Component Suppliers
PHONE
FAX
(803) 626-3123
(714) 960-6492
(603) 224-1430
AVX
(803) 946-0690
Sprague
SUPPLIER
Matsuo
(714) 969-2491
(603) 224-1961
IN
OUT
FB
SHDN
GND
6V TO
28V
0.1
μ
F
6.8
μ
F*
R1
R2
OUTPUT
VOLTAGE
MAX1616
*15
μ
F for V
OUT
<3.3V
Figure 2. MAX1616 Typical Application Circuit
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PDF描述 |
|---|---|
| MAX1615 | High-Voltage, Low-Power Linear Regulators for Notebook Computers |
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| MAX1616 | High-Voltage.Low-Power Linear Regulators for Notebook Computers |
| MAX1617AMEE | Remote/Local Temperature Sensor with SMBus Serial Interface |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MAX1617AEVKIT | 功能描述:板上安裝溫度傳感器 Evaluation Kit for the MAX1617A RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX1617AMEE | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX1617AMEE+ | 功能描述:板上安裝溫度傳感器 Remote/Local w/SMBus Serial Interface RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX1617AMEE+ | 制造商:Maxim Integrated Products 功能描述:IC TEMP SENSOR 8BIT ?2.5 |
| MAX1617AMEE+T | 功能描述:板上安裝溫度傳感器 Remote/Local w/SMBus Serial Interface RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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