- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄384734 > MIC2194BM (MICREL INC) 400kHz SO-8 Buck Control IC PDF資料下載
參數(shù)資料
| 型號： | MIC2194BM |
| 廠商： | MICREL INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 400kHz SO-8 Buck Control IC |
| 中文描述： | SWITCHING CONTROLLER, 440 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大小： | 63K |
| 代理商： | MIC2194BM |
October 2002
3
MIC2194
MIC2194
Absolute Maximum Ratings
(Note 1)
Supply Voltage (V
IN
) .....................................................15V
Digital Supply Voltage (V
DD
) ...........................................7V
Enable Pin Voltage (V
EN
).............................
–
0.3V to +15V
Comp Pin Voltage (V
COMP
)............................
–
0.3V to +3V
Feedback Pin Voltage (V
FB
) ..........................
–
0.3V to +3V
Current Sense Voltage (V
IN
–
V
CS
).................
–
0.3V to +1V
Power Dissipation (P
D
) .....................285mW @ T
A
= 85
°
C
Ambient Storage Temp ............................
–
65
°
C to +150
°
C
ESD Rating,
Note 3 ......................................................
2kV
Micrel
Electrical Characteristics
V
IN
= 5V, V
OUT
= 3.3V, T
J
= 25
°
C, unless otherwise specified.
Bold
values indicate
–
40
°
C<T
J
<+125
°
C.
Parameter
Condition
Min
Typ
Max
Units
Regulation
Feedback Voltage Reference
(1%)
(2%)
1.233
1.22
1.245
1.245
1.257
1.27
V
V
Feedback Bias Current
50
nA
Output Voltage Line Regulation
5V
≤
V
IN
≤
9V
0mV < (V
IN
–
V
CS
) < 75mV
5V
≤
V
IN
≤
9V, 0mV < (V
IN
–
V
CS
) < 75mV (
±
3%)
0.15
% / V
Output Voltage Load Regulation
0.9
%
Output Voltage Total Regulation
1.208
1.282
V
Input & V
DD
Supply
V
IN
Input Current (I
Q
)
Shutdown Current (I
SD
)
Digital Supply Voltage (V
DD
)
Digital Supply Load Regulation
(excluding external MOSFET gate current)
1
2
mA
V
EN
= 0V
I
L
= 0
I
L
= 0 to 1mA
V
DD
upper threshold (turn on threshold)
0.5
5
μ
A
2.82
3.0
3.18
V
0.1
V
Undervoltage Lockout
2.65
V
UVLO Hysteresis
100
mV
Enable/UVLO
Enable Input Threshold
0.6
0.9
1.2
V
UVLO Threshold
1.4
1.5
1.6
V
Enable Input Current
V
EN/UVLO
= 5V
0.2
5
μ
A
Current Limit
Current Limit Threshold Voltage
V
IN
–
V
CS
voltage to trip current limit
90
110
130
mV
Error Amplifier
Error Amplifier Gain
20
V/V
Current Amplifier
Current Amplifier Gain
3.0
V/V
Oscillator Section
Oscillator Frequency (f
O
)
Maximum Duty Cycle
360
400
440
kHz
V
FB
= 1.0V
V
FB
= 1.5V
Measured on FB
100
%
Minimum On Time
165
ns
Frequency Foldback Threshold
0.3
V
Frequency Foldback Frequency
90
kHz
Operating Ratings
(Note 2)
Supply Voltage (V
IN
) .................................... +2.9V to +14V
Junction Temperature .......................
–
40
°
C
≤
T
J
≤
+125
°
C
Package Thermal Resistance
θ
JA
8-lead SOP .................................................140
°
C/W
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MIC3000 | SFP Management IC |
| MIC3000BML | SFP Management IC |
| MIC2199 | 300kHz 4mm 】 4mm Synchronous Buck Converter |
| MIC2199BML | 300kHz 4mm 】 4mm Synchronous Buck Converter |
| MIC2206 | 2MHz PWM Synchronous Buck Regulator with LOWQ Mode and Voltage Scaling |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC2194BM TR | 功能描述:IC REG CTRLR BST PWM CM 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
| MIC2194YM | 功能描述:DC/DC 開關(guān)控制器 SO-8 3V Buck Contoller (Lead Free) RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| MIC2194YM TR | 功能描述:DC/DC 開關(guān)控制器 SO-8 3V Buck Contoller (Lead Free) RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| MIC2196 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:400kHz SO-8 Boost Control IC |
| MIC2196_08 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:400kHz SO-8 Boost Control IC |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。