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參數(shù)資料
| 型號： | EL7512CY-T13 |
| 廠商： | ELANTEC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | High Frequency PWM Step-Up Regulator |
| 中文描述： | SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | MSOP-10 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 249K |
| 代理商： | EL7512CY-T13 |
2
Absolute Maximum Ratings
(T
A
= 25°C)
EN, LBI, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+18V
LX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20V
V
DD
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12V
Storage Temperature. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Operating Temperature . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C
Operating Junction Temperature:. . . . . . . . . . . . . . . . . . . . . . .135°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: T
J
= T
C
= T
A
Electrical Specifications
V
IN
= 5V, V
OUT
= 12V, I
OUT
= 0mA, R
T
= 100k
, T
A
= 25°C unless otherwise specified.
PARAMETER
DESCRIPTION
CONDITION
MIN
TYP
MAX
UNIT
IQ1
Quiescent Current - Shut-down
VEN = 0
3
μA
IQ2
Quiensent Current
VEN = 2V
2.5
4
mA
VFB
Feedback Voltage
1.31
1.35
1.39
V
IB
Feedback Input Bias Current
0.10
μA
V
IN
Input Voltage Range
2
V
D
MAX
Maximum Duty Cycle
84
90
%
I
LIM
Current Limit - Max Average Input
Current
1000
1250
1500
mA
I
SHDN
Shut-down Input Bias Current
1
μA
V
LBI
LBI Threshold Voltage
180
220
250
mV
V
OL-LBO
LBO Output Low
ILBO = 1mA
0.1
0.2
V
I
LEAK-LBO
LBO Output Leakage Current
VLBI = 250mV, VLBO = 5V
0.02
1
μA
R
DS-ON
Switch On Resistance
at 12V output
300
m
I
LEAK-SWITCH
Switch Leakage Current
1
μA
V
OUT
/
V
IN
Line Regulation
3V < V
IN
< 6V, V
OUT
= 12V, no load
0.15
%/V
V
OUT
/
I
OUT
Load Regulation
I
OUT
< 250mA
0.5
%
F
OSC-MAX
Maximum Switching Frequency
R
T
= 49.9k
1200
kHz
F
OSC1
Switching Frequency
530
670
800
kHz
VHI_EN
EN Input High Threshold
1.6
V
VLO_EN
EN Input Low Threshold
0.5
V
Pin Descriptions
PIN NUMBER
PIN NAME
PIN FUNCTION
1
PGND
Power ground; connected to the source of internal N-channel power MOSFET
2
SGND
Signal ground; ground reference for all the control circuitry; needs to have only a single connection to PGND
3
RT
Timing resistor to adjust the oscillation frequency of the converter
4
EN
Chip enable; connects to logic HI (>1.6V) for chip to function
5
LBI
Low battery input; connects to a sensing voltage, or left open if function is not used
6
LBO
Low battery detection output; connected to the open drain of a MOSFET; able to sink 1mA current
7
SS
Soft-start; connects to a capacitor to control the start-up of the converter
8
FB
Voltage feedback input; needs to connect to resistor divider to decide V
O
9
VDD
Control circuit positive supply
10
LX
Inductor drive pin; connected to the drain of internal N-channel power MOSFET
EL7512
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| EL7512CY-T7 | 功能描述:IC REG CTRLR BST PWM 10-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
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| EL7512CYZ-T13 | 功能描述:IC REG CTRLR BST PWM 10-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
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| EL7513 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:White LED Step-Up Regulator |
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