參數(shù)資料
型號(hào): SG2524BN
廠商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類: 穩(wěn)壓器
英文描述: REGULATING PULSE WIDTH MODULATOR
中文描述: 0.2 A SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDIP16
封裝: ROHS COMPLIANT, PLASTIC, DIP-16
文件頁(yè)數(shù): 3/5頁(yè)
文件大?。?/td> 64K
代理商: SG2524BN
2/00 Rev 1.3 2/00
Copyright
2000
L
IN
F
IN
ITY
Microelectronics Inc.
11861 Western Avenue
Garden Grove, CA 92841
(714) 898-8121
FAX: (714) 893-2570
3
5
V
IN
= 40V, V
SHUTDOWN
= 2.0V
Standby Current
mA
17.5
17
V
= 60V
I
C
= 10mA
I
C
= 100mA
I
E
= 10mA
I
E
= 100mA
R
E
= 2K
, T
A
= 25
°
C
R
C
= 2K
, T
A
= 25
°
C
Collector Leakage Current
Collector Saturation Voltage
Emitter Output Voltage
Emitter Voltage Rise Time
(Note 7)
Collector Voltage Fall Time
Power Consumption
200
-3
180
Sense Voltage
Input Bias Current
Shutdown Input Section
HIGH Input Voltage
HIGH Input Current
LOW Input Voltage
Output Section
(each transistor)
0.1
2.0
V
SHUTDOWN
= 5.0V
49
45
V
COMP
= 0.5V
V
COMP
= 3.9V
Minimum Duty Cycle
Maximum Duty Cycle
Current Limit Amplifier Section
(Note 6)
0.5
1
78
0.2
4.2
90
100
2
60
3.8
70
76
1
Error Amplifier Section
(Note 5)
Input Offset Voltage
Input Bias Current
Input Offset Current
DC Open Loop Gain
Output Low Level
Output High Level
Common Mode Rejection
Supply Voltage Rejection
Gain-Bandwidth Product
(Note 7 )
P.W.M. Comparator
(Note 4)
R
S
2K
R
L
10M
I
SINK
= 100
μ
A; V
- V
150mV
I
SOURCE
= 100
μ
A; V
PIN 2
- V
PIN 1
150mV
V
CM
REF
V
IN
= 7V to 40V
T
J
= 25
°
C
SG1524B/SG2524B/SG3524B
ELECTRICAL CHARACTERISTICS
(continued)
45
0.1
1
50
600
3.5
1
4.0
0.5
42
400
0.6
3.0
0.2
Oscillator Section
(Note 4)
Initial Accuracy
Voltage Stability
Temperature Stability
(Note 7)
Minimum Frequency
(Note 7)
Maximum Frequency
Sawtooth Peak Voltage
Sawtooth Valley Voltage
Clock Amplitude
Clock Pulse Width
T
J
= 25
°
C
V
= 7V to 40V
Over Operating Range
R
T
= 150K
, C
= 0.1
μ
F
R
T
= 2K
, C
T
= 470pF
V
IN
= 40V
V
IN
= 7V
Min. Typ. Max. Min. Typ. Max.
SG1524B/2524B
SG3524B
Units
Test Conditions
Parameter
Note 4. F
OSC
= 45KHz (R
T
= 2700
, C
T
= .01
μ
F)
Note 5. V
CM
= 2.3V to V
Note 6. V
= 0V to 17.5V
Note 7. These parameters, although guaranteed over the recommended operating conditions, are not tested in production.
48
1
2
140
3.9
1.2
40
400
0.6
3.0
0.2
45
0.1
1
50
600
3.5
1
4.0
0.5
50
1
2
120
3.9
1.2
KHz
%
%
Hz
KHz
V
V
V
μ
s
5
5
1
0.5
60
3.8
70
76
1
2
1
78
0.2
4.2
90
100
2
10
10
1
0.5
mV
μ
A
μ
A
dB
V
V
dB
dB
MHz
0
45
49
%
%
0
220
-10
170
200
-3
230
-10
mV
μ
A
1
0.6
2.0
0.1
1
0.6
V
mA
V
μ
A
V
V
V
V
μ
s
μ
s
50
0.4
2.0
0.5
0.2
0.2
1.0
19
18
0.2
0.1
17.5
17
50
0.4
2.0
0.5
0.2
0.2
1.0
19
18
0.2
0.1
12
5
12
相關(guān)PDF資料
PDF描述
SG3524B REGULATING PULSE WIDTH MODULATOR
SG3524BDW REGULATING PULSE WIDTH MODULATOR
SG3524BJ REGULATING PULSE WIDTH MODULATOR
SG3524BN REGULATING PULSE WIDTH MODULATOR
SG1524BJ REGULATING PULSE WIDTH MODULATOR
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SG2524DE4 功能描述:電壓模式 PWM 控制器 Reg Pulse-Width Modulator RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
SG2524DG4 功能描述:電壓模式 PWM 控制器 Regulating PWM RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
SG2524DR 功能描述:電壓模式 PWM 控制器 PWM Ctlr RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
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