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參數(shù)資料
| 型號： | TSM007IN |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大小： | 182K |
| 代理商： | TSM007IN |
TSM007
Electrical Characteristics
4/12
3
Electrical Characteristics
Tamb = 25°C, Vin=12V, Ct=1.5nF unless otherwise specified
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
Oscillator
Fosc
Oscillating frequency
84
100
116
kHz
Foscmax
Maximum oscillating frequency
500
kHz
fosc1
Typical oscillating voltage stability
12V
≤ Vin ≤ 25V
±0.5
±2.0
%
fosc2
Typical oscillating temperature stability 0°C
≤ Ta ≤ 70°C
±10
%
Ici
Charge current
Vct=2V
336
400
464
A
Icd
Discharge current
Vct=2V
504
600
696
A
Vthct
Upper trip point
3.0
V
Vtlct
Lower trip point
1.4
V
Vct
Amplitude
1.6
V
Brown out
Vbr
Threshold voltage
2.42
2.50
2.58
V
Ibr-on
Brown out terminal source current
Vbr=3V, 0°C
≤T≤ 70°C42
50
58
A
Vbrin
Input voltage
-0.3
Vin
V
Comp
Icomp
Source surrent
Vcomp=5V
0.5
0.725
0.950
A
Current sense
Avcs
Gain
0V
≤ Vcs ≤ 0.8V
2.85
3.00
3.15
Vthcs
Maximum sensing voltage
Vcomp=5V
0.9
1.0
1.1
V
PSRR
Power supply voltage rejection ratio
12V
≤ Vin ≤ 25V
70
dB
Ibcs
Input bias current
Vcs=2V
0.5
10
A
Leading edge blanking
LEB
Delay to output
Vcs = 0 to 1 V
Vcomp = 2 V
280
ns
Output
VOL1
Output low voltage 1
Iosink=20mA
0.1
1.5
V
VOL2
Output low voltage 2
Iosink=200mA
0.8
2.2
V
VOH1
Output high voltage 1
Iosource=20mA
Vin-2.0
Vin-1.5
V
VOH2
Output high voltage 2
Iosource=200mA
Vin-3.0
Vin-1.7
V
tr
Rise time
CL=1nF, 10% to 90%
100
150
ns
tf
Fall time
CL=1nF, 90% to 10%
30
60
ns
VOL3
UVLO saturation
Vin=5V, Iosink=1mA
0.05
1.1
V
Dmax
Maximum duty cycle
54
60
66
%
Soft start
Iiss
Source current
Vss=2V
8
10
12
A
dIiss
Temperature stability
0°C
≤ Ta ≤ 70°C
7
10
13
A
Idss
Sink current
Vss=2V, Vbr=2V
4
mA
VHss
Clamp voltage
4.2
V
VLss
Low voltage
Vbr=2V
0.2
V
Internal Under Voltage Lockout (UVLO)
VH
UVLO top threshold
8.9
9.5
10.1
V
VL
UVLO bottom threshold
7.3
7.9
8.5
V
dVuvlo
UVLO hysteresis voltage
dVuvlo=VH-VL
1.6
V
Total current consumption
Iin
Operating current
CL=3.3nF, Vin=12V
10
13
mA
Istby
Supply current in standby mode
Vbr
≤ 1V, Vin=12V
250
350
A
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