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參數資料
| 型號： | TL1451G-S16-R |
| 廠商： | UNISONIC TECHNOLOGIES CO LTD |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.021 A DUAL SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | HALOGEN FREE, SOP-16 |
| 文件頁數： | 8/14頁 |
| 文件大小： | 300K |
| 代理商： | TL1451G-S16-R |
TL1451
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
3 of 14
www.unisonic.com.tw
QW-R103-011.D
ABSOLUTE MAXIMUM RATINGS (T
a=25°C, unless otherwise specified)
PARAMETER
SYMBOL
VALUE
UNIT
Supply Voltage
VCC
51
V
Amplifier Input Voltage
VIN
20
V
Collector Output Voltage
VOUT
51
V
Collector Output Current
IOUT
21
mA
DIP-16
1000
SOP-16
500
Power Dissipation
TSSOP-16
PD
700
mW
Junction Temperature
TJ
+125
°C
Operating Temperature
TOPR
-20 ~ +85
°C
Storage Temperature
TSTG
-40 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
Supply Voltage
VCC
3.6
50
V
Amplifier Input Voltage
VIN
1.05
1.45
V
Collector Output Voltage
VOUT
50
V
Collector Output Current(each Transistor)
IOUT
20
mA
Current into Feedback Terminal
IFB
45
μA
Feedback Resistor
RF
100
k
Ω
Timing Capacitor
CT
150
15000
pF
Timing Resistor
RT
8
100
k
Ω
Oscillator frequency
FOSC
1
350
kHz
Operating Temperature
TOPR
-20
85
°C
ELECTRICAL CHARACTERISTICS(V
CC=6V, f=200kHz, Ta=25°C, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Reference Section
Output Voltage
VOUT
IOUT=1mA
2.4
2.5
2.6
V
Ta= -20°C ~ 25°C
-0.1
±1
Output Voltage Change with Temperature
Ta= 25°C ~ 85°C
-0.2
±1
%
Input Voltage Regulation
△VIN
Vcc=3.6V ~ 40V
2
12.5
mV
Output Voltage Regulation
△VOUT
IOUT=0.1mA ~ 1mA
1
7.5
mV
Short-Circuit Output Current
IOUT
VOUT=0
3
10
30
mA
Undervoltage Lockout Section
Upper
2.72
V
Threshold Voltage (Vcc)
Lower
VTHR
2.6
V
Hysteresis (Vcc)
VHYS
80
120
mV
Reset Threshold voltage (Vcc)
IOUT(REF)=0.1mA
1.5
1.9
V
Short-Circuit Protection Control Section
Input Threshold Voltage(SCP)
VIN(THR)
0.65
0.7
0.75
V
Standby Voltage(SCP)
VSTN-BY
No pullup
140
185
230
mV
Latched Input Voltage (SCP)
VIN(LAT)
No pullup
60
120
mV
Input (source) Current
IIN(source)
VIN=0.7V
-10
-15
-20
μA
Comparator Threshold Voltage (FEEDBACK)
VTHR
1.18
V
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