参数资料
型号: CS51033GD8
厂商: ON Semiconductor
文件页数: 3/10页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 8-SOIC
产品变化通告: Product Obsolescence 11/Feb/2009
Product Obsolescence 30/Dec/2003
标准包装: 98
PWM 型: 控制器
输出数: 1
频率 - 最大: 240kHz
占空比: 83.3%
电源电压: 3 V ~ 16 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 管件
CS51033
ELECTRICAL CHARACTERISTICS (Specifications apply for 3.135 ≤ V CC ≤ 3.465, 3.0 V ≤ V C ≤ 16 V;
Industrial Grade: ?40 ° C < T A < 85 ° C; ?40 ° C < T J < 125 ° C: Commercial Grade: 0 ° C < T A < 70 ° C; 0 ° C < T J < 125 ° C, unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Oscillator
V FB = 1.2 V
Frequency
Charge Current
Discharge Current
Maximum Duty Cycle
C OSC = 470 pF
1.4 V < V COSC < 2.0 V
2.7 V > V COSC > 2.0 V
1 ? (t OFF /t ON )
160
?
?
80.0
200
110
660
83.3
240
?
?
?
kHz
m A
m A
%
Short Circuit Timer
V FB = 1.0 V; CS = 0.1 m F; V COSC = 2.0 V
Charge Current
Fast Discharge Current
Slow Discharge Current
Start Fault Inhibit Time
Valid Fault Time
GATE Inhibit Time
Duty Cycle
1.0 V < V CS < 2.0 V
2.55 V > V CS > 2.4 V
2.4 V > V CS > 1.5 V
2.6 V > V CS > 2.4 V
2.4 V > V CS > 1.5 V
?
?
175
40
4.0
0.70
0.2
9.0
2.5
264
66
6.0
0.85
0.3
15
3.1
325
80
10
1.40
0.45
23
4.6
m A
m A
m A
ms
ms
ms
%
CS Comparator
V FB = 1.0 V
Fault Enable CS Voltage
Max CS Voltage
Fault Detect Voltage
Fault Inhibit Voltage
Hold Off Release Voltage
Regulator Threshold Voltage Clamp
?
V FB = 1.5 V
V CS when GATE goes high
Minimum V CS
V FB = 0 V
V CS = 1.5 V
?
?
?
?
0.4
0.725
2.5
2.6
2.4
1.5
0.7
0.866
?
?
?
?
1.0
1.035
V
V
V
V
V
V
V FB Comparators
V COSC = V CS = 2.0 V
Regulator Threshold Voltage
Fault Threshold Voltage
Threshold Line Regulation
Input Bias Current
Voltage Tracking
Input Hysteresis Voltage
T J = 25 ° C (Note 2)
T J = ?40 to 125 ° C
T J = 25 ° C (Note 2)
T J = ?40 to 125 ° C
3.135 V ≤ V CC ≤ 3.465
V FB = 0 V
(Regulator Threshold ? Fault Threshold Voltage)
?
1.225
1.210
1.12
1.10
?
?
70
?
1.250
1.250
1.15
1.15
6.0
1.0
100
4.0
1.275
1.290
1.17
1.19
15
4.0
120
20
V
V
V
V
mV
m A
mV
mV
Power Stage
V C = 10 V; V FB = 1.2 V
GATE DC Low Saturation Voltage
GATE DC High Saturation Voltage
Rise Time
Fall Time
V COSC = 1.0 V; 200 mA Sink
V COSC = 2.7 V; 200 mA Source; V C = V GATE
C GATE = 1.0 nF; 1.5 V < V GATE < 9.0 V
C GATE = 1.0 nF; 9.0 V > V GATE > 1.5 V
?
?
?
?
1.2
1.5
25
25
1.5
2.1
60
60
V
V
ns
ns
Current Drain
I CC
I C
3.135 V < V CC < 3.465 V, Gate switching
3.0 V < V C < 16 V, Gate non?switching
?
?
3.5
2.7
6.0
4.0
mA
mA
2. Guaranteed by design, not 100% tested in production.
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