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參數(shù)資料
| 型號(hào)： | LT1306ES8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Synchronous, Fixed Frequency Step-Up DC/DC Converter |
| 中文描述： | 2.3 A SWITCHING REGULATOR, 415 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SO-8 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大?。?/td> | 213K |
| 代理商： | LT1306ES8 |
6
LT1306
PI
FU
CTIO
N
S
U
U
V
C
(Pin 1):
Compensation Pin for Error Amplifier. V
C
is
the output of the transconductance error amplifier. Loop
frequency compensation is done by connecting an RC
network from the V
C
pin to ground.
FB (Pin 2):
Inverting Input of the Error Amplifier. Connect
the resistor divider tap here. Set output voltage according
to V
OUT
= 1.24V (1 + R1/R2).
V
OUT
(Pin 3):
Output of the Switching Regulator and Emit-
ter of the Synchronous Rectifier. Connect appropriate
output capacitor from here to ground. V
OUT
must be kept
below 5.5V.
GND (Pin 4):
Ground. Connect to local ground plane.
SW (Pin 5):
Switch Pin. The collectors of the grounded
power switch and the synchronous rectifier. Keep the SW
trace as short as possible to minimize EMI.
CAP (Pin 6):
Power Supply to the Synchronous Rectifier
Driver. The bootstrap capacitor and the blocking diode
are tied to this pin. The CAP voltage switches between a
low level of V
IN
– V
D
to a high level determined by the V
SW
high level.
V
IN
(Pin 7):
Supply or Battery Input Pin. Must be closely
bypassed to ground plane.
S/S (Pin 8):
Shutdown and Synchronization Pin. Shut-
down is active low with a typical threshold of 0.9V. For
normal operation, the S/S pin is tied to V
IN
. To externally
synchronize the switching regulator, drive the S/S pin
with a pulse train.
BLOCK DIAGRA
Figure 2. LT1306 Block Diagram
–
+
A1
g
m
–
+
–
+
–
+
V
C
1
V
B
–
+
+
+
2
V
IN
7
A4
FB
8
S/S
4
GND
PWM CONTROL
1306 F02
5
1.24V
1.65V
UVLO
Σ
RAMP
COMPENSATION
REF/BIAS
SHUTDOWN
DELAY
SHDN
SYNC
300kHz OSC
CLK
IDLE
SW
X5
X4
6
CAP
S
Q
R
Q1
Q2
I
RECT
> 0
I
RECT
R
S
A2
SENSE
AMP
DCM
CONTROL
3
OUT
RECTIFIER
V
CE2–
X1
X2
X4
X3
A5
A3
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| LT1306ES8#PBF | 功能描述:IC REG BOOST 5V 1A 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤 |
| LT1306ES8#TR | 功能描述:IC REG BOOST 5V 1A 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤 |
| LT1306ES8#TRPBF | 功能描述:IC REG BOOST 5V 1A 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤 |
| LT1307 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Constant-Current/ Constant-Voltage 1.4MHz Step-Up DC/DC Converter |
| LT1307B | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Single Cell Micropower 600kHz PWM DC/DC Converters |
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