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參數(shù)資料
| 型號： | V62/05622-01XE |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 12 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | GREEN, PLASTIC, HTSSOP-28 |
| 文件頁數(shù)： | 19/24頁 |
| 文件大?。?/td> | 689K |
| 代理商： | V62/05622-01XE |
www.ti.com
DISSIPATION RATINGS
(1) (2)
ELECTRICAL CHARACTERISTICS
SGLS294A – FEBRUARY 2005 – REVISED AUGUST 2007
THERMAL IMPEDANCE
TA = 25°C
TA = 70°C
TA = 85°C
PACKAGE
JUNCTION-TO-AMBIENT
POWER RATING
28-pin PWP with solder
18.2
°C/W
5.49 W(3)
3.02 W
2.20 W
28-pin PWP without solder
40.5
°C/W
2.48 W
1.36 W
0.99 W
(1)
For more information on the PWP package, see the Texas Instruments technical brief SLMA002.
(2)
Test board conditions:
a. 3 inch x 3 inch, 4 layers, thickness: 0.062 inch
b. 1.5 oz. copper traces located on the top of the PCB
c. 1.5 oz. copper ground plane on the bottom of the PCB
d. 0.5 oz. copper ground planes on the two internal layers
e. 12 thermal vias (see Recommended Land Pattern in the Application Information section of this data sheet.
(3)
Maximum power dissipation may be limited by overcurrent protection.
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY VOLTAGE, VINL
Input voltage range, VIN
3
6
V
fs = 350 kHz, FSEL ≤ 0.8 V, RT open, PH pin
9.8
19
open
I(Q)
Quiescent current
fs = 550 kHz, FSEL ≥ 2.5 V, RT open, PH pin
mA
14
25
open
Shutdown, SS/ENA = 0 V
1
1.4
UNDER VOLTAGE LOCK OUT
Start threshold voltage, UVLO
2.95
3
V
Stop threshold voltage, UVLO
2.7
2.8
V
Hysteresis voltage, UVLO
0.12
V
Rising and falling edge deglitch, UVLO(1)
2.5
s
BIAS VOLTAGE
Output voltage, VBIAS
I(VBIAS) = 0
2.7
2.8
2.95
V
Output current, VBIAS
100
A
CUMULATIVE REFERENCE
Vref
Accuracy (1)
0.882
0.891
0.9
V
REGULATION
IL = 3 A, fs = 350 kHz, TJ = 85°C
0.07
Line regulation(1) (3)
%/V
IL = 3 A, fs = 550 kHz, TJ = 85°C
0.07
IL = 0 A to 6 A, fs = 350 kHz, TJ = 85°C
0.03
Load regulation(1) (3)
%/A
IL = 0 A to 6 A, fs = 550 kHz, TJ = 85°C
0.03
OSCILLATOR
FSEL
≤ 0.8 V, RT open
270
350
425
Internally set—free-running frequency
kHz
FSEL
≥ 2.5 V, RT open
415
550
662
Externally set—free-running frequency
RT = 180 k
(1% resistor to AGND)(1)
245
280
315
range
RT = 160 k
(1% resistor to AGND)(1)
285
312
360
kHz
RT = 68 k
(1% resistor to AGND)(1)
655
700
773
High-level threshold, FSEL
2.5
V
Low-level threshold, FSEL
0.8
V
Pulse duration, external synchronization,
50
ns
FSEL(1)
Frequency range, FSEL(1)
330
700
kHz
(1)
Specified by design
(2)
Static resistive loads only
(3)
Specified by the circuit used in Figure 10.
4
Copyright 2005–2007, Texas Instruments Incorporated
Product Folder Link(s): TPS54610-EP
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