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參數(shù)資料
| 型號： | LTC3526LEDC-2#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 2 X 2 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-229WCCD-2, DFN-6 |
| 文件頁數(shù)： | 14/16頁 |
| 文件大?。?/td> | 332K |
| 代理商： | LTC3526LEDC-2#PBF |
LTC3526L-2/LTC3526LB-2
3526lb2fa
block DiagraM
3
+
–
+
–
GATE DRIVERS
AND
ANTI-CROSS
CONDUCTION
LOGIC
CLK
IPK
COMP
SLOPE
COMP
IZERO
COMP
ERROR AMP
SLEEP COMP
IZERO
WAKE
EXPOSED
PAD
+
–
WELL
SWITCH
MODE
CONTROL
UVLO
VREF
4M
SHDN
VBEST
START-UP
2MHz
OSC
TSD
THERMAL
SHUTDOWN
ANTI-RING
VSEL
VIN
1
6
SW
VOUT
L1
2.2H
VB
SHUTDOWN
CLAMP
CSS
VREF
VOUT
5
7
GND
3526lb2 BD
2
FB
R2
COUT
4.7F
VOUT
1.5V
TO 5.25V
R1
4
CIN
2.2F
VIN
0.8V
TO 5V
(Refer to Block Diagram)
operaTion
The LTC3526L-2/LTC3526LB-2 are 2MHz synchronous
boost converters housed in a 6-lead 2mm
× 2mm DFN
package. With a guaranteed ability to start up and oper-
ate from inputs less than 0.8V, this device features fixed
frequency, current mode PWM control for exceptional line
and load regulation. The current mode architecture with
adaptive slope compensation provides excellent transient
load response, requiring minimal output filtering. Internal
soft-start and internal loop compensation simplifies the
design process while minimizing the number of external
components.
WithitslowRDS(ON)andlowgatechargeinternalN-channel
MOSFETswitchandP-channelMOSFETsynchronousrecti-
fier, the LTC3526L-2 achieves high efficiency over a wide
range of load currents. Burst Mode operation maintains
high efficiency at very light loads, reducing the quiescent
current to just 9A. Operation can be best understood by
referring to the Block Diagram.
LOW VOLTAGE START-UP
The LTC3526L-2/LTC3526LB-2 include an independent
start-up oscillator designed to start up at an input voltage
of 0.68V (typical). Soft-start and inrush current limiting
are provided during start-up, as well as normal mode.
When either VIN or VOUT exceeds 1.3V typical, the IC
enters normal operating mode. When the output voltage
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC3526LBEDC-2#TRPBF | SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3526LEDC#PBF | 0.55 A SWITCHING CONTROLLER, 1250 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3527EUD | 0.8 A DUAL SWITCHING CONTROLLER, 2800 kHz SWITCHING FREQ-MAX, PQCC16 |
| LTC3527EUD#TR | 0.8 A DUAL SWITCHING CONTROLLER, 2800 kHz SWITCHING FREQ-MAX, PQCC16 |
| LTC3527EUD-1#TR | 0.8 A DUAL SWITCHING CONTROLLER, 2800 kHz SWITCHING FREQ-MAX, PQCC16 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3526LEDC-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:550mA 1MHz Synchronous Step-Up DC/DC Converters in 2mm × 2mm DFN |
| LTC3526LEDC-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:550mA 1MHz Synchronous Step-Up DC/DC Converters in 2mm × 2mm DFN |
| LTC3527 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:400mA Step-Up DC/DC Converter with Maximum Power Point Control and 250mV Start-Up |
| LTC3527-1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters |
| LTC3527EUD | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters |
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