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參數(shù)資料
| 型號(hào)： | 5962-8680603V2A |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.5 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大?。?/td> | 557K |
| 代理商： | 5962-8680603V2A |
www.ti.com
SLUS871A – JANUARY 2009 – REVISED NOVEMBER 2010
ABSOLUTE MAXIMUM RATINGS
(1) (2)
over operating free-air temperature range (unless otherwise noted)
VCC
Supply voltage
40 V
Collector supply voltage
40 V
IO
Output current, source or sink
500 mA
VI
Analog input voltage (C/S-, C/S+, E/A+, E/A-, Shutdown)
–0.3 V to VIN
Reference output current
–30 mA
Sync output current
–5 mA
Error amplifier output current
–5 mA
Soft-start sink current
50 mA
Oscillator charging current
5 mA
TA = 25°C
1000 mW
PD
Power dissipation
TC = 25°C
2000 mW
Tstg
Storage temperature range
–65°C to 150°C
Tlead
Lead temperature (soldering, 10 seconds)
300°C
(1)
Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating
conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
All voltages are with respect to ground. Currents are positive into, negative out of the specified terminal.
ELECTRICAL CHARACTERISTICS
VIN = 15 V, RT = 10k, CT = 4.7 nF, TA = TJ = –55°C to 125°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Reference Section
Output voltage
TJ = 25°C, IO = 1 mA
5.04
5.10
5.16
V
Line regulation
VIN = 8 V to 40 V
5
20
mV
Load regulation
IL = 1 mA to 10 mA
3
15
mV
Temperature stability
Over operating range
0.4
mV/°C
Total output variation
Over line, load, and temperature(1)
5
5.2
V
Output noise voltage
10 Hz
≤ f ≤ 10 kHz, TJ = 25°C
(1)
100
mV
Long-term stability
TJ = 125°C, 1000 hr
5
mV
Short-circuit output current
VREF = 0 V
–10
–45
mA
Oscillator Section
Initial accuracy
TJ = 25°C
39
43
47
kHz
Voltage stability
VIN = 8 V to 40 V
–1
2
%
Temperature stability
Over operating range
–1
%
Sync output high level
3.9
4.35
V
Sync output low level
2.3
2.5
V
Sync input high level
CT = 0 V
3.9
V
Sync input low level
CT = 0 V
2.5
V
Sync input current
Sync = 3.9 V, CT = 0 V
1.3
1.5
mA
Error Amp Section
Input offset voltage
0.5
5
mV
Input bias current
-1
–0.6
mA
Input offset current
40
250
nA
Common mode range
VIN = 8 V to 40 V
0
VIN – 2
V
Open-loop voltage gain
ΔVO = 1.2 V to 3 V, VCM = 2 V
80
105
dB
Unity-gain bandwidth
TJ = 25°C
(1)
0.7
1
MHZ
CMRR
VCM = 0 V to 38 V, VIN = 40 V
75
100
dB
(1)
Parameters ensured by design and/or characterization, if not production tested.
Copyright 2009–2010, Texas Instruments Incorporated
3
Product Folder Link(s): UC1846-SP
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