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參數(shù)資料
| 型號： | MIC2202BML |
| 廠商： | MICREL INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | HIGH EFFICIENCY 2MHZ SYNCHRONOUS BUCK CONVERTER 1UP STABLE PWM REGULATOR |
| 中文描述： | 2.5 A SWITCHING REGULATOR, 2200 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | 3 X 3 MM, MLF-10 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 182K |
| 代理商： | MIC2202BML |
MIC2202
Functional Description
V
IN
V
IN
provides power to the output and to the internal bias
supply. The supply voltage range is from 2.3V to 5.5V. A
minimum 1
μ
F ceramic is recommended for bypassing the
input supply.
Enable
The enable pin provides a logic level control of the output. In
the off state, supply current of the device is greatly reduced
(typically <1
μ
A). Also, in the off state, the output drive is
placed in a
“
tri-stated
”
condition, where both the high side
P-Channel MOSFET and the low-side N-Channel are in an off
or non-conducting state. Do not drive the enable pin above
the supply voltage.
Sync_In
Sync_In pin enables the ability to change the fundamental
switching frequency. The Sync_In frequency has a minimum
frequency of 1.6MHz and a maximum sync frequency of
2.5MHz.
Careful attention should be paid to not driving the Sync_In pin
greater than the supply voltage. While this will not damage
the device, it can cause improper operation.
Micrel
M9999-052104
6
May 2004
Sync_Out
Sync_Out is an open collector output that provides a signal
equal to the internal oscillator frequency. This creates the
ability for multiple MIC2202s to be connected together in a
master-slave configuration for frequency matching of the
converters. A typical 10k
is recommended for a pull-up
resistor.
Bias
The bias supply is an internal 2.3V linear regulator that
supplies the internal biasing voltage to the MIC2202. A 10nF
ceramic capacitor is required on this pin for bypassing. Do not
use the bias pin as a supply. The bias pin was designed to
supply internal power only.
Feedback
The feedback pin provides the control path to control the
output. A resistor divider connecting the feedback to the
output is used to adjust the desired output voltage. Refer to
the feedback section in the
“
Applications Information
”
for
more detail.
10k
SYNC_IN
VIN
MIC2202
“
Master
”
SYNC_OUT
SW
BIAS
FB
SYNC_IN
VIN
MIC2202
“
Slave
”
SYNC_OUT
SW
BIAS
FB
Figure 1. Master-Slave Operation
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| MIC2202BML TR | 功能描述:IC REG BUCK ADJ 0.6A 10MLF RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:20 系列:SIMPLE SWITCHER® 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:12V 輸入電壓:4 V ~ 60 V PWM 型:電壓模式 頻率 - 開關(guān):52kHz 電流 - 輸出:1A 同步整流器:無 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 包裝:管件 供應(yīng)商設(shè)備封裝:16-DIP 其它名稱:*LM2575HVN-12LM2575HVN-12 |
| MIC2202BMM | 功能描述:IC REG BUCK ADJ 0.6A 10MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:20 系列:SIMPLE SWITCHER® 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:12V 輸入電壓:4 V ~ 60 V PWM 型:電壓模式 頻率 - 開關(guān):52kHz 電流 - 輸出:1A 同步整流器:無 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 包裝:管件 供應(yīng)商設(shè)備封裝:16-DIP 其它名稱:*LM2575HVN-12LM2575HVN-12 |
| MIC2202BMM TR | 功能描述:IC REG BUCK ADJ 0.6A 10MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:20 系列:SIMPLE SWITCHER® 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:12V 輸入電壓:4 V ~ 60 V PWM 型:電壓模式 頻率 - 開關(guān):52kHz 電流 - 輸出:1A 同步整流器:無 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 包裝:管件 供應(yīng)商設(shè)備封裝:16-DIP 其它名稱:*LM2575HVN-12LM2575HVN-12 |
| MIC2202YML | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2MHz Synchronous Buck Regulator - Lead Free RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MIC2202YML TR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2MHz Synchronous Buck Regulator (Lead Free) RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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