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參數(shù)資料
| 型號： | MIC2169 |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | 500 KHZ PWM SYNCHRONOUS BUCK CONTROL IC |
| 中文描述： | 500千赫的PWM同步降壓控制IC |
| 文件頁數(shù)： | 3/14頁 |
| 文件大小： | 160K |
| 代理商： | MIC2169 |
November 2003
3
M9999-111803
MIC2169
Absolute Maximum Ratings
(1)
Supply Voltage (V
IN
) ..................................................15.5V
Booststrapped Voltage (V
BST
) ............................... V
IN
+5V
Junction Temperature (T
J
) ................
–
40
°
C
≤
T
J
≤
+125
°
C
Storage Temperature (T
S
) .......................
–
65
°
C to +150
°
C
Micrel
Operating Ratings
(2)
Supply Voltage (V
IN
) .................................... +3V to +14.5V
Output Voltage Range...........................0.8V to V
IN
×
D
MAX
Package Thermal Resistance
θ
JA
10-lead MSOP ............................................180
°
C/W
Electrical Characteristics
(3)
T
J
= 25
°
C, V
IN
= 5V;
bold
values indicate
–
40
°
C < T
J
< +125
°
C; unless otherwise specified.
Parameter
Condition
Min
Typ
Max
Units
Feedback Voltage Reference
(
±
1%)
0.792
0.8
0.808
V
Feedback Voltage Reference
(
±
2% over temp)
0.784
0.8
0.816
V
Feedback Bias Current
30
100
nA
Output Voltage Line Regulation
0.03
% / V
Output Voltage Load Regulation
0.5
%
Output Voltage Total Regulation
3V
≤
V
IN
≤
14.5V; 1A
≤
I
OUT
≤
10A; (V
OUT
= 2.5V)
(4)
0.6
%
Oscillator Section
Oscillator Frequency
450
500
550
kHz
Maximum Duty Cycle
Minimum On-Time
(4)
92
%
30
60
ns
Input and V
DD
Supply
PWM Mode Supply Current
V
CS
= V
IN
–
0.25V; V
FB
= 0.7V (output switching but excluding
external MOSFET gate current.)
1.5
3
mA
Shutdown Quiescent Current
V
COMP/EN
= 0V
50
150
μ
A
V
COMP
Shutdown Threshold
V
COMP
Shutdown Blanking
Period
0.1
0.25
0.4
V
C
COMP
= 100nF
4
ms
Digital Supply Voltage (V
DD
)
V
IN
≥
6V
4.7
5
5.3
V
Notes:
1.
Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating
the device outside of its operating ratings. The maximum allowable power dissipation is a function of the maximum junction temperature, T
(max),
the junction-to-ambient thermal resistance,
θ
, and the ambient temperature, T
A
. The maximum allowable power dissipation will result in excessive
die temperature, and the regulator will go into thermal shutdown.
Devices are ESD sensitive, handling precautions required.
Specification for packaged product only.
Guaranteed by design.
2.
3.
4.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC2169_09 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:500kHz PWM Synchronous Buck Control IC |
| MIC2169A | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:500kHz PWM Synchronous Buck Control IC |
| MIC2169A_09 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:500kHz PWM Synchronous Buck Control IC |
| MIC2169ABMM | 功能描述:IC REG CTRLR DIVIDER PWM 10-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝: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) |
| MIC2169ABMM TR | 功能描述:IC REG CTRLR DIVIDER PWM 10-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝: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) |
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