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參數(shù)資料
| 型號： | EL7642AILTZ-T7 |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | TFT-LCD DC/DC with Integrated Amplifiers |
| 中文描述： | 0.15 A SWITCHING REGULATOR, 1350 kHz SWITCHING FREQ-MAX, QCC32 |
| 封裝： | 5 X 5 MM, ROHS COMPLIANT, MO-220, QFN-32 |
| 文件頁數(shù)： | 13/19頁 |
| 文件大?。?/td> | 458K |
| 代理商： | EL7642AILTZ-T7 |
3
FN6270.0
May 15, 2006
Absolute Maximum Ratings (TA = 25°C)
IN, CTL to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
COMP, FB, FBP, FBN, DEL, REF to AGND. . . . . -0.3V to VIN+0.3V
PGND, BGND to AGND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.3V
LX to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +24V
SUP to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +18V
DRVP, SRC to AGND . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +36V
POS1, NEG1, OUT1, POS2, NEG2, OUT2, POS3, OUT3,
POS4, NEG4, OUT4, POS5, OUT5 to AGND . . -0.3V to VSUP+0.3V
DRVN to AGND . . . . . . . . . . . . . . . . . . . . . . . VIN -20V to VIN +0.3V
COM, DRN to AGND . . . . . . . . . . . . . . . . . . . . -0.3V to VSRC +0.3V
LX Maximum Continuous RMS Output Current. . . . . . . . . . . . . 1.6A
OUT1, OUT2, OUT3, OUT4, OUT5
Maximum Continuous Output Current . . . . . . . . . . . . . . . . . . ±75mA
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . -65°C to +150°C
Maximum Continuous Junction Temperature . . . . . . . . . . . . +125°C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Curves
Operating Ambient Temperature . . . . . . . . . . . . . . . . -40°C to +85°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests
are at the specified temperature and are pulsed tests, therefore: TJ = TC = TA
Electrical Specifications
VIN = 3V, VBOOST = VSUP = 12V, VSRC = 20V, Over temperature from -40°C to 85°C.
Unless Otherwise Specified.
PARAMETER
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY
VIN
Input Supply Range
2.6
5.5
V
VLOR
Undervoltage Lockout Threshold
VIN rising
2.4
2.5
2.6
V
VLOF
Undervoltage Lockout Threshold
VIN falling
2.2
2.3
2.4
V
IS
Quiescent Current
LX not switching
2.5
mA
ISS
Quiescent Current - Switching
LX switching
5
10
mA
TFD
Fault Delay Time
CDEL = 100nF
23
ms
VREF
Reference Voltage
TA = 25°C
1.19
1.215
1.235
V
1.187
1.215
1.238
V
SHUTDN
Thermal Shutdown Temperature
140
°C
MAIN BOOST REGULATOR
VBOOST
Output Voltage Range
(Note 1)
VIN+
15%
18
V
FOSC
Oscillator Frequency
1050
1200
1350
kHz
DCM
Maximum Duty Cycle
82
85
%
VFBB
Boost Feedback Voltage
TA = 25°C
1.192
1.205
1.218
V
1.188
1.205
1.222
V
VFTB
FB Fault Trip Level
Falling edge
0.85
0.925
1.020
V
VBOOST/
I
BOOST
Load Regulation
50mA < ILOAD < 250mA
0.1
%
VBOOST/
VIN
Line Regulation
VIN = 2.6V to 5.5V
0.08
%/V
IFB
Input Bias Current
VFB = 1.35V
500
nA
gmV
FB Transconductance
dI = ±2.5A at COMP, FB = COMP
160
A/V
RONLX
LX On Resistance
160
m
ILEAKLX
LX Leakage Current
VFB = 1.35V, VLX = 13V
0.02
40
A
ILIMLX
LX Current Limit
Duty cycle = 65% (Note 1)
3.0
A
tSSB
Soft-Start Period
CDEL = 100nF
7
ms
EL7640A, EL7641A, EL7642A
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