参数资料
型号: MIC2196YM TR
厂商: Micrel Inc
文件页数: 2/12页
文件大小: 0K
描述: IC REG CTRLR BST FLYBK PWM 8SOIC
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 440kHz
占空比: 85%
电源电压: 2.9 V ~ 14 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: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
其它名称: MIC2196YMTR
MIC2196YMTR-ND
Micrel, Inc.
Ordering Information
MIC2196
Part Number
MIC2196BM
MIC2196YM
Voltage
Adj.
Adj.
Frequency
400kHz
400kHz
Temperature Range
–40°C to +125°C
–40°C to +125°C
Package
8-Pin SOIC
8-Pin SOIC
Lead Finish
Standard
Pb-Free
Pin Configuration
Pin Description
COMP 1
FB 2
EN/UVLO 3
CS 4
8-Pin SOIC (M)
8 VIN
7 OUTN
6 GND
5 VDD
Pin Number
1
2
3
4
5
6
7
8
Pin Name
COMP
FB
EN/UVLO
CS
VDD
GND
OUTN
VIN
Pin Function
Compensation (Output): Internal error amplifier output. Connect to a capacitor or
series RC network to compensate the regulator’s control loop.
Feedback (Input): Regulates FB to 1.245V.
Enable/Undervoltage Lockout (input): A low level on this pin will power down the
device, reducing the quiescent current to under 0.5 μ A. This pin has two separate
thresholds, below 1.5V the output switching is disabled, and below 0.9V the device is
forced into a complete micropower shutdown. The 1.5V threshold functions as an
accurate undervoltage lockout (UVLO) with 100mV hysteresis.
The (+) input to the current limit comparator. A built in offset of 100mV between CS
and GND in conjunction with the current sense resistor sets the current limit threshold
level. This is also the (+) input to the current amplifier.
3V internal linear-regulator output. VDD is also the supply voltage bus for the chip.
Bypass to GND with 1 μ F.
Ground.
High current drive for N-Channel MOSFET. Voltage swing is from ground to VIN.
R ON is typically 3 ? @ 5V IN .
Input voltage to the control IC. This pin also supplies power to the gate drive circuit.
September 2008
2
M9999-092908
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