TL3842DRG4 [TI]
CURRENT-MODE PWM CONTROLLERS; 电流模式PWM控制器
| 型号： | TL3842DRG4 |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | CURRENT-MODE PWM CONTROLLERS |
| 文件： | 总21页 (文件大小：577K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TL284x, TL384x
CURRENT-MODE PWM CONTROLLERS
SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008
D PACKAGE
(TOP VIEW)
D
Optimized for Off-Line and dc-to-dc
Converters
D
D
D
D
D
D
D
D
D
D
Low Start-Up Current (<1 mA)
COMP
NC
VFB
NC
ISENSE
NC
REF
13 NC
1
2
3
4
5
6
7
14
Automatic Feed-Forward Compensation
Pulse-by-Pulse Current Limiting
Enhanced Load-Response Characteristics
Undervoltage Lockout With Hysteresis
Double-Pulse Suppression
12
11
10
9
VCC
VC
OUTPUT
GND
8
POWER GROUND
RT/CT
High-Current Totem-Pole Output
Internally Trimmed Bandgap Reference
500-kHz Operation
NC − No internal connection
D-8 OR P PACKAGE
(TOP VIEW)
Error Amplifier With Low Output
Resistance
COMP
VFB
ISENSE
RT/CT
REF
VCC
OUTPUT
GND
1
2
3
4
8
7
6
5
D
Designed to Be Interchangeable With
UC2842 and UC3842 Series
description/ordering information
The TL284x and TL384x series of control integrated
circuits provide the features that are necessary to
implement off-line or dc-to-dc fixed-frequency current-mode control schemes, with a minimum number of
external components. Some of the internally implemented circuits are an undervoltage lockout (UVLO),
featuring a start-up current of less than 1 mA, and a precision reference trimmed for accuracy at the error
amplifier input. Other internal circuits include logic to ensure latched operation, a pulse-width modulation (PWM)
comparator (that also provides current-limit control), and a totem-pole output stage designed to source or sink
high-peak current. The output stage, suitable for driving N-channel MOSFETs, is low when it is in the off state.
Major differences between members of these series are the UVLO thresholds and maximum duty-cycle ranges.
Typical UVLO thresholds of 16 V (on) and 10 V (off) on the TLx842 and TLx844 devices make them ideally suited
to off-line applications. The corresponding typical thresholds for the TLx843 and TLx845 devices are 8.4 V (on)
and 7.6 V (off). The TLx842 and TLx843 devices can operate to duty cycles approaching 100%. A duty-cycle
range of 0 to 50% is obtained by the TLx844 and TLx845 by the addition of an internal toggle flip-flop, which
blanks the output off every other clock cycle.
The TL284x-series devices are characterized for operation from −40°C to 85°C. The TL384x devices are
characterized for operation from 0°C to 70°C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 2008, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TL284x, TL384x
CURRENT-MODE PWM CONTROLLERS
SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008
†
ORDERING INFORMATION
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
‡
T
A
PACKAGE
TL3842P
TL3842P
TL3843P
TL3843P
TL3844P
TL3845P
PDIP (P)
(8 pin)
Tube of 50
TL3844P
TL3845P
Tube of 75
Reel of 2500
Tube of 75
Reel of 2500
Tube of 75
Reel of 2500
Tube of 75
Reel of 2500
Tube of 50
Reel of 2500
Tube of 50
Reel of 2500
Tube of 50
Reel of 2500
Tube of 50
Reel of 2500
TL3842D-8
TL3842DR-8
TL3843D-8
TL3843DR-8
TL3844D-8
TL3844DR-8
TL3845D-8
TL3845DR-8
TL3842D
TL3842
TL3843
TL3844
TL3845
TL3842
TL3843
TL3844
TL3845
SOIC (D)
(8 pin)
0°C to 70°C
TL3842DR
TL3843D
TL3843DR
TL3844D
SOIC (D)
(14 pin)
TL3844DR
TL3845D
TL3845DR
TL2842P
TL2842P
TL2843P
TL2844P
TL2845P
TL2843P
PDIP (P)
(8 pin)
Tube of 50
TL2844P
TL2845P
Tube of 75
Reel of 2500
Tube of 75
Reel of 2500
Tube of 75
Reel of 2500
Tube of 75
Reel of 2500
Tube of 50
Reel of 2500
Tube of 50
Reel of 2500
Tube of 50
Reel of 2500
Tube of 50
Reel of 2500
TL2842D-8
TL2842DR-8
TL2843D-8
TL2843DR-8
TL2844D-8
TL2844DR-8
TL2845D-8
TL2845DR-8
TL2842D
TL2842
TL2843
TL2844
TL2845
TL2842
TL2843
TL2844
TL2845
SOIC (D)
(8 pin)
−40°C to 85°C
TL2842DR
TL2843D
TL2843DR
TL2844D
SOIC (D)
(14 pin)
TL2844DR
TL2845D
TL2845DR
†
‡
For the most current package and ordering information, see the Package Option Addendum at the end of this
document, or see the TI web site at http://www.ti.com.
Package drawings, thermal data, and symbolization are available at http://www.ti.com/packaging.
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TL284x, TL384x
CURRENT-MODE PWM CONTROLLERS
SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008
functional block diagram
12
V
CC
34 V NOM
UVLO
5-V REF
EN
14
9
REF
+
−
GND
Internal
Bias
V
Good
Logic
ref
11
VC
7
10
RT/CT
OSC
OUTPUT
†
T
8
POWER
GROUND
Error
Amplifier
S
R
2R
+
−
3
1
5
PWM
Latch
VFB
R
1 V
Current-
Sense
Comparator
COMP
ISENSE
†
The toggle flip-flop is present only in TL2844, TL2845, TL3844, and TL3845.
Pin numbers shown are for the D (14-pin) package.
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TL284x, TL384x
CURRENT-MODE PWM CONTROLLERS
SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†
Supply voltage (see Note 1) (I < 30 mA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Self limiting
CC
Analog input voltage range, V (VFB and ISENSE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 6.3 V
I
Output voltage, V (OUTPUT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 V
O
Input voltage, V , (VC, D package only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 V
I
Supply current, I
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 mA
CC
Output current, I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 A
O
Error amplifier output sink current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mA
Package thermal impedance, θ (see Notes 2 and 3): D package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86°C/W
JA
D-8 package . . . . . . . . . . . . . . . . . . . . . . . . . . 97°C/W
P package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85°C/W
Virtual junction temperature, T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
J
Output energy (capacitive load) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 µJ
Lead temperature, 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C
Storage temperature range, T
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
stg
†
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.
NOTES: 1. All voltages are with respect to the device GND terminal.
2. Maximum power dissipation is a function of T (max), θ , and T . The maximum allowable power dissipation at any allowable
J
JA
A
ambient temperature is P = (T (max) − T )/θ . Operating at the absolute maximum T of 150°C can impact reliability.
D
J
A
JA
J
3. The package thermal impedance is calculated in accordance with JESD 51-7.
recommended operating conditions
MIN NOM
MAX
30
UNIT
V
‡
V
CC
and VC
Supply voltage
V , RT/CT
Input voltage
0
0
5.5
5.5
30
V
I
V , VFB and ISENSE
I
Input voltage
V
V , OUTPUT
O
Output voltage
0
V
‡
V , POWER GROUND
O
Output voltage
−0.1
1
V
I
I
I
f
Supply current, externally limited
Average output current
Reference output current
Oscillator frequency
25
mA
mA
mA
kHz
CC
200
−20
500
85
O
O(ref)
osc
100
−40
TL284x
TL384x
T
°C
Operating free-air temperature
A
0
70
‡
These recommended voltages for VC and POWER GROUND apply only to the D package.
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TL284x, TL384x
CURRENT-MODE PWM CONTROLLERS
SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008
electrical characteristics over recommended operating free-air temperature range, VCC = 15 V (see
Note 4), RT = 10 kΩ, CT = 3.3 nF (unless otherwise specified)
reference section
TL284x
TL384x
PARAMETER
TEST CONDITIONS
UNIT
†
†
MIN TYP
MAX
5.05
20
MIN TYP
MAX
5.1
20
Output voltage
I
= 1 mA,
T = 25°C
A
4.95
5
6
6
4.9
5
6
6
V
O
Line regulation
Load regulation
V
= 12 V to 25 V
mV
mV
CC
I
O
= 1 mA to 20 mA
25
25
Temperature coefficient
of output voltage
0.2
0.4
5.1
0.2
0.4 mV/°C
Output voltage
with worst-case variation
V
CC
= 12 V to 25 V,
I
O
= 1 mA to 20 mA
4.9
4.82
5.18
V
Output noise voltage
f = 10 Hz to 10 kHz,
T = 25°C
50
5
50
5
µV
mV
mA
A
Output-voltage long-term drift
Short-circuit output current
After 1000 h at T = 25°C
25
25
A
−30
−100 −180
−30 −100 −180
†
All typical values are at T = 25°C.
A
NOTE 4: Adjust V above the start threshold before setting it to 15 V.
CC
oscillator section
TL284x
TL384x
PARAMETER
TEST CONDITIONS
T = 25°C
UNIT
†
†
MIN TYP
MAX
57
MIN TYP
47
MAX
Oscillator frequency (see Note 5)
Frequency change with supply voltage
Frequency change with temperature
Peak-to-peak amplitude at RT/CT
47
52
2
52
57
kHz
A
V
CC
= 12 V to 25 V
10
2
50
10 Hz/kHz
Hz/kHz
V
50
1.7
1.7
†
All typical values are at T = 25°C.
A
NOTES: 4. Adjust V above the start threshold before setting it to 15 V.
CC
5. Output frequency equals oscillator frequency for the TLx842 and TLx843. Output frequency is one-half the oscillator frequency for
the TLx844 and TLx845.
error-amplifier section
TL284x
TL384x
PARAMETER
TEST CONDITIONS
COMP at 2.5 V
UNIT
†
†
MIN TYP
MAX
2.55
−1
MIN TYP
MAX
2.58
−2
Feedback input voltage
Input bias current
2.45
2.50
−0.3
90
2.42
2.50
−0.3
90
V
µA
dB
MHz
dB
mA
mA
V
Open-loop voltage amplification
Gain-bandwidth product
Supply-voltage rejection ratio
Output sink current
V
O
= 2 V to 4 V
65
0.7
60
65
0.7
60
1
1
V
CC
= 12 V to 25 V
70
70
VFB at 2.7 V,
VFB at 2.3 V,
VFB at 2.3 V,
VFB at 2.7 V,
COMP at 1.1 V
COMP at 5 V
2
6
2
6
Output source current
High-level output voltage
Low-level output voltage
−0.5
5
−0.8
6
−0.5
5
−0.8
6
R = 15 kΩ to GND
L
R = 15 kΩ to GND
L
0.7
1.1
0.7
1.1
V
†
All typical values are at T = 25°C.
A
NOTE 4: Adjust V above the start threshold before setting it to 15 V.
CC
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TL284x, TL384x
CURRENT-MODE PWM CONTROLLERS
SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008
electrical characteristics over recommended operating free-air temperature range, VCC = 15 V (see
Note 4), RT = 10 kΩ, CT = 3.3 nF (unless otherwise specified) (continued)
current-sense section
TL284x
TL384x
PARAMETER
TEST CONDITIONS
UNIT
†
†
MIN TYP
MAX
3.13
1.1
MIN TYP
MAX
3.15
1.1
Voltage amplification
See Notes 6 and 7
COMP at 5 V,
= 12 V to 25 V,
2.85
0.9
3
1
2.85
0.9
3
1
V/V
V
Current-sense comparator threshold
Supply-voltage rejection ratio
Input bias current
See Note 6
See Note 6
V
CC
70
70
dB
µA
ns
−2
150
−10
300
−2
150
−10
300
Delay time to output
†
All typical values are at T = 25°C.
A
NOTES: 4. Adjust V above the start threshold before setting it to 15 V.
CC
6. These parameters are measured at the trip point of the latch, with VFB at 0 V.
7. Voltage amplification is measured between ISENSE and COMP, with the input changing from 0 V to 0.8 V.
output section
TL284x
TL384x
PARAMETER
High-level output voltage
Low-level output voltage
TEST CONDITIONS
= −20 mA
UNIT
V
†
†
MIN TYP
MAX
MIN TYP
MAX
I
I
I
I
13
12
13.5
13.5
0.1
1.5
50
13
12
13.5
13.5
0.1
1.5
50
OH
OH
OL
OL
= −200 mA
= 20 mA
0.4
2.2
0.4
2.2
V
= 200 mA
Rise time
Fall time
C = 1 nF,
T = 25°C
A
150
150
150
150
ns
ns
L
C = 1 nF,
T = 25°C
A
50
50
L
†
All typical values are at T = 25°C.
A
NOTE 4: Adjust V above the start threshold before setting it to 15 V.
CC
undervoltage-lockout section
TL284x
TL384x
PARAMETER
UNIT
V
†
†
MIN TYP
MAX
17
MIN TYP
MAX
17.5
9
TLx842, TLx844
15
7.8
9
16
14.5
7.8
8.5
7
16
Start threshold voltage
TLx843, TLx845
8.4
10
9
8.4
10
TLx842, TLx844
Minimum operating voltage after startup
TLx843, TLx845
11
11.5
8.2
V
7
7.6
8.2
7.6
†
All typical values are at T = 25°C.
A
NOTE 4: Adjust V above the start threshold before setting it to 15 V.
CC
pulse-width-modulator section
TL284x
TL384x
PARAMETER
UNIT
†
†
MIN TYP
MAX
100
50
MIN TYP
MAX
100
50
TLx842, TLx843
95
46
97
48
95
46
97
48
Maximum duty cycle
TLx844, TLx845
%
Minimum duty cycle
0
0
†
All typical values are at T = 25°C.
A
NOTE 4: Adjust V above the start threshold before setting it to 15 V.
CC
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TL284x, TL384x
CURRENT-MODE PWM CONTROLLERS
SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008
electrical characteristics over recommended operating free-air temperature range, VCC = 15 V (see
Note 4), RT = 10 kΩ, CT = 3.3 nF (unless otherwise specified) (continued)
supply voltage
TL284x
TL384x
PARAMETER
TEST CONDITIONS
UNIT
†
†
MIN TYP
MAX
1
MIN TYP
MAX
1
Start-up current
0.5
11
0.5
11
mA
mA
V
Operating supply current
Limiting voltage
VFB and ISENSE at 0 V
17
17
I
= 25 mA
34
34
CC
†
All typical values are at T = 25°C.
A
NOTE 4: Adjust V above the start threshold before setting it to 15 V.
CC
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TL284x, TL384x
CURRENT-MODE PWM CONTROLLERS
SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008
APPLICATION INFORMATION
2.5 V
0.5 mA
Error
Amplifier
+
−
VFB
Z
i
COMP
Z
f
NOTE A: Error amplifier can source or sink up to 0.5 mA.
Figure 1. Error-Amplifier Configuration
Error
I
S
Amplifier
(see Note A)
2R
+
−
R
1 V
Current-Sense
Comparator
COMP
R
f
ISENSE
R
C
f
S
GND
NOTE A: Peak current (I ) is determined by the formula:
S
1 V
RS
IS max
+
(
)
A small RC filter formed by resistor R and capacitor C may be required to suppress switch transients.
f
f
Figure 2. Current-Sense Circuit
REF
R
T
(see Note A)
RT/CT
GND
C
T
1.72
RTCT
NOTE A: For R > 5 kΩ: f [
T
Figure 3. Oscillator Section
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TL284x, TL384x
CURRENT-MODE PWM CONTROLLERS
SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008
APPLICATION INFORMATION
TIMING RESISTANCE
vs
DEAD TIME
vs
FREQUENCY
TIMING CAPACITANCE
100
40
100
40
C = 10 nF
V
= 15 V
≥ 5 kΩ
= 25°C
T
CC
R
T
T
C = 4.7 nF
T
A
C = 2.2 nF
T
C = 1 nF
T
10
4
C = 22 nF
T
10
4
C = 47 nF
T
1
C = 100 nF
T
0.4
V
T
= 15 V
= 25°C
CC
A
1
0.1
100
1 k
10 k
100 k
1 M
0
4
10
40
100
f − Frequency − Hz
C − Timing Capacitance − nF
T
Figure 4
Figure 5
open-loop laboratory test fixture
In the open-loop laboratory test fixture (see Figure 6), high peak currents associated with loads necessitate
careful grounding techniques. Timing and bypass capacitors should be connected close to the GND terminal
in a single-point ground. The transistor and 5-kΩ potentiometer sample the oscillator waveform and apply an
adjustable ramp to the ISENSE terminal.
REF
R
T
A
V
4.7 kΩ
CC
2N2222
DUT
REF
100 kΩ
COMP
VFB
0.1 µF
1 kΩ
Error Amplifier
Adjust
V
CC
TL284x
TL384x
0.1 µF
1 kΩ, 1 W
ISENSE
RT/CT
OUTPUT
GND
5 kΩ
OUTPUT
GND
4.7 kΩ
ISENSE
Adjust
C
T
Figure 6. Open-Loop Laboratory Test Fixture
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TL284x, TL384x
CURRENT-MODE PWM CONTROLLERS
SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008
APPLICATION INFORMATION
shutdown technique
The PWM controller (see Figure 7) can be shut down by two methods: either raise the voltage at ISENSE above
1 V or pull the COMP terminal below a voltage two diode drops above ground. Either method causes the output
of the PWM comparator to be high (refer to block diagram). The PWM latch is reset dominant so that the output
remains low until the next clock cycle after the shutdown condition at the COMP or ISENSE terminal is removed.
In one example, an externally latched shutdown can be accomplished by adding an SCR that resets by cycling
V
CC
below the lower UVLO threshold. At this point, the reference turns off, allowing the SCR to reset.
1 kΩ
REF
COMP
Shutdown
ISENSE
330 Ω
500 Ω
Shutdown
To Current-Sense
Resistor
Figure 7. Shutdown Techniques
A fraction of the oscillator ramp can be summed resistively with the current-sense signal to provide slope
compensation for converters requiring duty cycles over 50% (see Figure 8). Note that capacitor C forms a filter
with R2 to suppress the leading-edge switch spikes.
REF
0.1 µF
R
T
RT/CT
C
T
R1
ISENSE
R2
ISENSE
C
R
SENSE
Figure 8. Slope Compensation
10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PACKAGE OPTION ADDENDUM
www.ti.com
1-May-2010
PACKAGING INFORMATION
Orderable Device
TL2842D
Status (1)
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
Drawing
SOIC
D
14
50 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
TL2842D-8
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
PDIP
PDIP
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
D
D
D
D
D
D
D
D
D
D
D
P
P
D
D
D
D
D
D
D
D
D
D
D
8
75 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
TL2842DE4
TL2842DE4-8
TL2842DG4
TL2842DG4-8
TL2842DR
14
8
50 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
75 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
14
8
50 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
75 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
TL2842DR-8
TL2842DRE4
TL2842DRE4-8
TL2842DRG4
TL2842DRG4-8
TL2842P
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
8
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
TL2842PE4
TL2843D
8
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
14
8
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL2843D-8
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL2843DE4
TL2843DE4-8
TL2843DG4
TL2843DG4-8
TL2843DR
14
8
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
8
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL2843DR-8
TL2843DRE4
TL2843DRE4-8
TL2843DRG4
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
1-May-2010
Orderable Device
Status (1)
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
Drawing
TL2843DRG4-8
TL2843P
SOIC
D
8
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
PDIP
PDIP
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
PDIP
PDIP
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
P
P
D
D
D
D
D
D
D
D
D
D
D
D
P
P
D
D
D
D
D
D
D
D
D
8
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
TL2843PE4
TL2844D
8
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
14
8
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL2844D-8
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL2844DE4
TL2844DE4-8
TL2844DG4
TL2844DG4-8
TL2844DR
14
8
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
8
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL2844DR-8
TL2844DRE4
TL2844DRE4-8
TL2844DRG4
TL2844DRG4-8
TL2844P
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
8
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
TL2844PE4
TL2845D
8
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
14
8
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL2845D-8
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL2845DE4
TL2845DE4-8
TL2845DG4
TL2845DG4-8
TL2845DR
14
8
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
8
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL2845DR-8
TL2845DRE4
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
Addendum-Page 2
PACKAGE OPTION ADDENDUM
www.ti.com
1-May-2010
Orderable Device
Status (1)
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
Drawing
TL2845DRE4-8
TL2845DRG4
TL2845DRG4-8
TL2845P
SOIC
D
8
14
8
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SOIC
SOIC
PDIP
PDIP
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
PDIP
PDIP
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
D
D
P
P
D
D
D
D
D
D
D
D
D
D
D
D
P
P
D
D
D
D
D
D
D
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
8
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
TL2845PE4
TL3842D
8
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
14
8
50 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
TL3842D-8
75 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
TL3842DE4
TL3842DE4-8
TL3842DG4
TL3842DG4-8
TL3842DR
14
8
50 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
75 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
14
8
50 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
75 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
TL3842DR-8
TL3842DRE4
TL3842DRE4-8
TL3842DRG4
TL3842DRG4-8
TL3842P
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR
no Sb/Br)
8
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
TL3842PE4
TL3843D
8
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
14
8
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL3843D-8
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL3843D-8E4
TL3843DE4
TL3843DG4
TL3843DG4-8
TL3843DR
8
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
14
8
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
Addendum-Page 3
PACKAGE OPTION ADDENDUM
www.ti.com
1-May-2010
Orderable Device
Status (1)
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
Drawing
TL3843DR-8
TL3843DR-8E4
TL3843DRE4
TL3843DRG4
TL3843DRG4-8
TL3843P
SOIC
D
8
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SOIC
SOIC
SOIC
SOIC
PDIP
PDIP
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
PDIP
PDIP
SOIC
SOIC
SOIC
SOIC
SOIC
D
D
D
D
P
P
D
D
D
D
D
D
D
D
D
D
D
D
P
P
D
D
D
D
D
8
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
14
8
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
8
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
TL3843PE4
TL3844D
8
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
14
8
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL3844D-8
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL3844DE4
TL3844DE4-8
TL3844DG4
TL3844DG4-8
TL3844DR
14
8
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
8
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL3844DR-8
TL3844DRE4
TL3844DRE4-8
TL3844DRG4
TL3844DRG4-8
TL3844P
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
8
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
TL3844PE4
TL3845D
8
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
14
8
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL3845D-8
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL3845DE4
TL3845DE4-8
TL3845DG4
14
8
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
Addendum-Page 4
PACKAGE OPTION ADDENDUM
www.ti.com
1-May-2010
Orderable Device
Status (1)
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
Drawing
TL3845DG4-8
TL3845DR
SOIC
D
8
14
8
75 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
PDIP
PDIP
D
D
D
D
D
D
P
P
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
TL3845DR-8
TL3845DRE4
TL3845DRE4-8
TL3845DRG4
TL3845DRG4-8
TL3845P
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
14
8
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
8
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
TL3845PE4
8
50
Pb-Free
(RoHS)
CU NIPDAU N / A for Pkg Type
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS
compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI
to Customer on an annual basis.
Addendum-Page 5
PACKAGE MATERIALS INFORMATION
www.ti.com
30-Apr-2010
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device
Package Package Pins
Type Drawing
SPQ
Reel
Reel
A0
B0
K0
P1
W
Pin1
Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant
(mm) W1 (mm)
TL2842DR
TL2842DR-8
TL2843DR
TL2843DR-8
TL2844DR
TL2844DR-8
TL2845DR
TL2845DR-8
TL3842DR
TL3842DR-8
TL3843DR
TL3843DR-8
TL3844DR
TL3844DR-8
TL3845DR
TL3845DR-8
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
14
8
2500
2500
2500
2500
2500
2500
2500
2500
2500
2500
2500
2500
2500
2500
2500
2500
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
330.0
16.4
12.4
16.4
12.4
16.4
12.4
16.4
12.4
16.4
12.4
16.4
12.4
16.4
12.4
16.4
12.4
6.5
6.4
6.5
6.4
6.5
6.4
6.5
6.4
6.5
6.4
6.5
6.4
6.5
6.4
6.5
6.4
9.0
5.2
9.0
5.2
9.0
5.2
9.0
5.2
9.0
5.2
9.0
5.2
9.0
5.2
9.0
5.2
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
16.0
12.0
16.0
12.0
16.0
12.0
16.0
12.0
16.0
12.0
16.0
12.0
16.0
12.0
16.0
12.0
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
Q1
14
8
14
8
14
8
14
8
14
8
14
8
14
8
Pack Materials-Page 1
PACKAGE MATERIALS INFORMATION
www.ti.com
30-Apr-2010
*All dimensions are nominal
Device
Package Type Package Drawing Pins
SPQ
Length (mm) Width (mm) Height (mm)
TL2842DR
TL2842DR-8
TL2843DR
TL2843DR-8
TL2844DR
TL2844DR-8
TL2845DR
TL2845DR-8
TL3842DR
TL3842DR-8
TL3843DR
TL3843DR-8
TL3844DR
TL3844DR-8
TL3845DR
TL3845DR-8
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
SOIC
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
14
8
2500
2500
2500
2500
2500
2500
2500
2500
2500
2500
2500
2500
2500
2500
2500
2500
346.0
340.5
346.0
340.5
346.0
340.5
346.0
340.5
346.0
340.5
346.0
340.5
346.0
340.5
346.0
340.5
346.0
338.1
346.0
338.1
346.0
338.1
346.0
338.1
346.0
338.1
346.0
338.1
346.0
338.1
346.0
338.1
33.0
20.6
33.0
20.6
33.0
20.6
33.0
20.6
33.0
20.6
33.0
20.6
33.0
20.6
33.0
20.6
14
8
14
8
14
8
14
8
14
8
14
8
14
8
Pack Materials-Page 2
IMPORTANT NOTICE
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements,
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logic.ti.com
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RFID
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www.ti.com/wireless-apps
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