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參數(shù)資料
| 型號(hào)： | TL1464IPTG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1 A SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PQFP48 |
| 封裝： | GREEN, PLASTIC, LQFP-48 |
| 文件頁(yè)數(shù)： | 9/13頁(yè) |
| 文件大?。?/td> | 345K |
| 代理商： | TL1464IPTG4 |
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TL1464I
QUAD PULSE-WIDTH-MODULATION CONTROL CIRCUIT
SLVS266 – FEBRUARY 2000
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Terminal Functions (Continued)
TERMINAL
I/O
DESCRIPTION
NAME
NO.
I/O
DESCRIPTION
STANDBY
21
Output-1 to 4 control pin. Input L level voltage (0.4 V max). All outputs function and VREF are shutdown.
STANDBY-2
20
Output-2 control pin. Input L level voltage (0.4 V max), output-2 function is shutdown.
STANDBY-3
19
Output-3 control pin. Input L level voltage (0.4 V max), output-3 function is shutdown.
STANDBY-4
18
Output-4 control pin. Input L level voltage (0.4 V max), output-4 function is shutdown.
VCC
12
Power supply pin
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Supply voltage range, VCC (see Note 1)
13 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Amplifier input voltage, VIC
13 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage, VO
13 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak output current (sink), I(SINK)
100 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak output current (source), ISOURCE
1 A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous total dissipation at (or below) 25
°C free-air temperature (unit), PD
695 mW
. . . . . . . . . . . . . . . . . .
Continuous total dissipation at (or below) 25
°C free-air temperature (using board), PD
(see Note 2)
1315 mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA
–20
°C to 75°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 voltage4 value are with respect to network ground terminal.
2. Using t1.6
× 50 × 50 mm glass epoxy resin.
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage, VCC
3.1
12
V
Amplifier input voltage VIC
CH-1,2
–0.1
VCC–1.8
V
Amplifier input voltage, VIC
CH-3,4
0
VCC–1.8
V
Standby input voltage VI (pins 18 19 20 21)
H level
2.4
VCC
V
Standby input voltage, VI (pins 18, 19. 20. 21)
L level
0.4
V
Output voltage, VO
12
V
Current into feedback terminal, I(CAMP)
–45
A
Feedback resistor, R(NF)
100
k
Boot-strap capacitor, C(BOOT)
100
500
pF
Bias resistor, R(BIAS)
1.2
20
Bias capacitor, C(BIAS)
30
200
pF
Timing resistor, R(T)
7
50
k
Timing capacitor, C(T)
68
1000
pF
Oscillation frequency, f(OSC)
0.05
2
MHz
Operating free-air temperature, TA
–20
75
°C
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