參數(shù)資料
型號(hào)： 5962-8670402VPA
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CDIP8
封裝： CERAMIC, DIP-8
文件頁(yè)數(shù)： 8/13頁(yè)
文件大小： 295K
代理商： 5962-8670402VPA
Temp Stability +
V
REF
(max) * VREF (min)
TJ(max) * TJ (min)
A + D
VPIN 1
DVPIN 3
, 0 v VPIN 3 v 0.8 V
VREF(max) and VREF(min) are the maximum and minimum reference voltages measured over
(7)
Gain defined as:
SLUS981 – MARCH 2010
www.ti.com
ELECTRICAL CHARACTERISTICS
Unless otherwise stated, these specifications apply for –55°C
≤ TA ≤ 125°C; VCC = 15 V
(1); R
T = 10 kW; CT = 3.3 nF,TA = TJ.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
REFERENCE SECTION
For SMD device option 10
4.94
5.00
5.06
Output Voltage(2)
TJ = 25°C, IO = 1 mA
V
For SMD device option 02
4.95
5.00
5.05
Line Regulation
12 V
≤ VIN ≤ 25 V
6
20
mV
Load Regulation
1 mA
≤ IO ≤ 20 mA
6
25
Temperature Stability
See (3) (4)
0.2
0.4 mV/°C
Total Output Variation
Line, load, tempature (3)
4.9
5.1
V
Output Noise Voltage
10 Hz
≤ f ≤ 10 kHz, TJ = 25°C
(3)
50
mV
Long Term Stability
TA = 125°C, 1000 Hrs
(3)
5
25
mV
Output Short Circuit
–30
–100
–180
mA
OSCILLATOR SECTION
Initial Accuracy
TJ = 25°C
(5)
47
52
57
kHz
Voltage Stability
12 V
≤ VCC ≤ 25 V
0.2
1
%
Temperature Stability
TMIN ≤ TA ≤ TMAX
(3)
%
Amplitude
VPIN 4 peak-to-peak
(3)
1.7
V
ERROR AMP SECTION
Input Voltage
VPIN 1 = 2.5 V
2.45
2.50
2.55
V
Input Bias Current
–0.3
–1
mA
AVOL
2 V
≤ VO ≤ 4 V
65
90
dB
Unity Gain Bandwidth
TJ = 25°C
(3)
0.7
1
MHz
PSRR
12 V
≤ VCC ≤ 25 V
60
70
dB
Output Sink Current
VPIN 2 = 2.7 V, VPIN 1 = 1.1 V
2
6
mA
Output Source Current
VPIN 2 = 2.3 V, VPIN 1 = 5 V
–0.5
–0.8
VOUT High
VPIN 2 = 2.3 V, RL = 15 k to ground
5
6
V
VOUT Low
VPIN 2 = 2.7 V, RL = 15 k to Pin 8
0.7
1.1
CURRENT SENSE SECTION
Gain
See (6) (7)
2.85
3
3.15
V/V
Maximum Input Signal
VPIN 1 = 5 V
(6)
0.9
1
1.1
V
PSRR
12 V
≤ VCC ≤ 25 V
(3) (6)
70
dB
Input Bias Current
–2
–10
mA
Delay to Output
VPIN 3 = 0 V to 2 V
(3)
150
300
ns
OUTPUT SECTION
ISINK = 20 mA
0.1
0.4
Output Low Level
ISINK = 200 mA
1.5
2.2
V
ISOURCE = 20 mA
13
13.5
Output High Level
ISOURCE = 200 mA
12
13.5
(1)
Adjust VCC above the start threshold before setting at 15 V.
(2)
VREF parameter is sensitive to very high temperature die attach/die assembly processes. Processing conditions should not exceed
170°C/24 hours or 245°C/40 seconds.
(3)
These parameters, although specified, are not 100% tested in production.
(4)
Temperature stability, sometimes referred to as average temperature coefficient, is described by the equation:
the appropriate temperature range. Note that the extremes in voltage do not necessarily occur at the extremes in temperature.
(5)
Output frequency equals oscillator frequency.
(6)
Parameter measured at trip point of latch with VPIN 2 = 0.
4
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): UC1843-SP
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