参数资料
型号: CS2841BEDR14G
厂商: ON Semiconductor
文件页数: 4/10页
文件大小: 0K
描述: IC REG CTRLR BST FLYBK CM 14SOIC
产品变化通告: Product Obsolescence 19/Jun/2009
标准包装: 1
PWM 型: 电流模式
输出数: 1
频率 - 最大: 52kHz
占空比: 95%
电源电压: 7.8 V ~ 25 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
包装: 剪切带 (CT)
其它名称: CS2841BEDR14GOSCT
CS2841B
ELECTRICAL CHARACTERISTICS (-40 ° C ≤ T A ≤ 85 ° C, R T = 680 k W , C T = 0.022 m F for Triangular Mode, V CC = 15 V (Note 3),
R T = 10 k W , C T = 3.3 nF for Sawtooth Mode (see Figure 7); unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Output Section
Output Low Level
Output High Level
Rise Time
Fall Time
Output Leakage
I SINK = 20 mA
I SINK = 200 mA
I SOURCE = 20 mA
I SOURCE = 200 mA
T J = 25 ° C, C L = 1.0 nF. Note 7
T J = 25 ° C, C L = 1.0 nF. Note 7
Undervoltage Active, V OUT = 0
-
-
13
12
-
-
-
0.1
1.5
13.5
13.5
50
50
-0.01
0.4
2.2
-
-
150
150
-10
V
V
V
V
ns
ns
m A
Total Standby Current
Startup Current
Operating Supply Current I CC
-
V FB = V Sense = 0 V, R T = 10 k W , C T = 3.3 nF
-
-
0.5
11
1.0
17
mA
mA
Undervoltage Lockout Section
Start Threshold
Min. Operating Voltage
After Turn On
-
7.6
7.0
8.0
7.4
8.4
7.8
V
V
7. These parameters, although guaranteed, are not 100% tested in production.
PACKAGE PIN DESCRIPTION
PACKAGE PIN #
PDIP-8
1
2
3
4
5
6
7
8
SOIC-14
1
3
5
7
8
9
10
11
12
14
2, 4, 6, 13
PIN SYMBOL
COMP
V FB
Sense
OSC
GND
Pwr GND
V OUT
V CC Pwr
V CC
V REF
NC
FUNCTION
Error Amp Output, Used to Compensate Error Amplifier
Error Amp Inverting Input
Noninverting Input to Current Sense Comparator
Oscillator Timing Network with Capacitor to Ground, Resistor to V REF
Ground
Output Driver Ground
Output Drive Pin
Output Driver Positive Supply
Positive Power Supply
Output of 5.0 V Internal Reference
No Connection
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