参数资料
型号: MIC2150YML TR
厂商: Micrel Inc
文件页数: 5/27页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 24MLF
标准包装: 1
PWM 型: 电流/电压模式
输出数: 2
频率 - 最大: 550kHz
占空比: 80%
电源电压: 4.5 V ~ 14.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 24-VFQFN 裸露焊盘,24-MLF?
包装: 标准包装
其它名称: 576-3746-6
Micrel, Inc.
MIC2150
Parameter
Condition
Min
Typ
Max
Units
Regulation
Feedback Voltage
Reference
Feedback Bias Current
Output Voltage Line
(Each Channel) 25 o C
(Each Channel) –40 ° C to +125 ° C
(Each Channel)
(Each Channel)
691
686
700
35
0.03
709
714
500
mV
nA
%/V
Regulation
Error Amplifier (Each Channel)
DC Gain (6)
Output Over voltage Protection (each channel)
70
dB
V FB threshold
(Latches LSD High)
110
115
120
%Nom
Delay Blanking time
Soft-Start
2
μ s
Internal Soft-Start source
current (each channel)
Soft-Start source current
matching between
V SS = 1V
1.25
1
– 30
2
0
2.75
3
30
μ A
%
channels
Internal Soft-Start
discharge current (each
During Soft Current Limit
18
μ A
channel)
Current Sense (Each Channel)
CS Over Current Trip
Point program current
CS comparator sense
170
–7
200
0
230
+7
μ A
mV
threshold
Power Good
V FB threshold
PGOOD voltage low
V IN = 4.5V, V FB = 0 V; I PGOOD = 1mA
86
90
0.1
93
0.3
%Nom
V
Output Dynamic Correction Thresholds
Upper Threshold,
V FB_OVT (6)
Lower Threshold,
V FB_UVT (6)
(relative to V FB ).
(relative to V FB ).
+6.5
–6.5
%
%
Gate Drivers
Rise/Fall Time
Into 3000pF
Rise
Fall
23
16
ns
ns
Low-Side Drive
Resistance
High-Side Drive
Resistance
V IN = 5V
V IN = 5V
Source
Sink
Source
Sink
1.5
1.5
1.5
1.5
3
2
3
2
Ω
Ω
Ω
Ω
Notes:
6. Guaranteed by design.
August 2009
5
M9999-082809-A
(408) 944-0800
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