參數(shù)資料
型號(hào)： LTC3400ES6
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 600mA, 1.2MHz Micropower Synchronous Boost Converter in ThinSOT
中文描述： 0.85 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO6
封裝： PLASTIC, SOT-23, 6 PIN
文件頁(yè)數(shù)： 4/12頁(yè)
文件大?。?/td> 181K
代理商： LTC3400ES6
LTC3400/LTC3400B
4
3400f
PIU
SW (Pin 1):
Switch Pin. Connect inductor between SW
and V
IN
. Optional Schottky diode is connected between
SW and V
OUT
. Keep these PCB trace lengths as short and
wide as possible to reduce EMI and voltage overshoot. If
the inductor current falls to zero, or SHDN is low, an
internal 100
antiringing switch is connected from SW to
V
IN
to minimize EMI.
GND (Pin 2):
Signal and Power Ground. Provide a short
direct PCB path between GND and the (–) side of the output
capacitor(s).
FB (Pin 3):
Feedback Input to the
g
m
Error Amplifier.
Connect resistor divider tap to this pin. The output voltage
can be adjusted from 2.5V to 5V by:
V
OUT
= 1.23V [1 + (R1/R2)]
SHDN (Pin 4):
Logic Controlled
Shutdown Input.
SHDN = High: Normal free running operation, 1.2MHz
typical operating frequency.
SHDN = Low: Shutdown, quiescent current <1
μ
A.
100
connected between SW and V
IN
.
Typically, SHDN should be connected to V
IN
through a 1M
pull-up resistor.
V
OUT
(Pin 5):
Output Voltage Sense Input and Drain of the
Internal Synchronous Rectifier MOSFET. Bias is derived
from V
OUT
. PCB trace length from V
OUT
to the output filter
capacitor(s) should be as short and wide as possible. V
OUT
is held at V
IN
– 0.6V in shutdown due to the body diode of
the internal PMOS.
V
IN
(Pin 6):
Battery Input Voltage. The device gets its
start-up bias from V
IN
. Once V
OUT
exceeds V
IN
, bias
comes from V
OUT
. Thus, once started, operation is com-
pletely independent from V
IN
. Operation is only limited by
the output power level and the battery’s internal series
resistance.
1.23V
REF
Burst Mode
OPERATION
CONTROL
SHUTDOWN
CONTROL
SLOPE
COMP
PWM
CONTROL
START-UP
OSC
MUX
A
B
A/B
RAMP
GEN
1.2MHz
FB
3
3400 BD
V
OUT
5
OPTIONAL
SCHOTTKY
L1
4.7
μ
H
SW
1
V
IN
SINGLE
CELL
INPUT
6
SHDN
4
GND
2
–
+
g
ERROR
AMP
–
+
V
GOOD
–
–
+
PWM
COMPARATOR
R
C
80k
SHUTDOWN
C
150pF
C
2.5pF
R2
604k
1%
(EXTERNAL)
R1
1.02M
1%
(EXTERNAL)
SLEEP
Σ
SYNC
DRIVE
CONTROL
0.35
0.45
2.3V
C
OUT
4.7
μ
F
3.3V
OUTPUT
C
IN
1
μ
F
+
CURRENT
SENSE
BLOCK DIAGRA
相關(guān)PDF資料
PDF描述
LTC3400 600mA, 1.2MHz Micropower Synchronous Boost Converter in ThinSOT
LTC3400B Quadruple 2-Input Positive-OR Gate 14-TVSOP -40 to 85
LTC3400BES6 Quadruple 2-Input Positive-OR Gate 14-SOIC -40 to 85
LTC3405A-1.5 1.5V, 1.8V, 1.5MHz, 300mA Synchronous Step-Down Regulators in ThinSOT
LTC3405AES6-1.5 1.5V, 1.8V, 1.5MHz, 300mA Synchronous Step-Down Regulators in ThinSOT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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LTC3400ES6#TRM 功能描述:IC REG BST SYNC ADJ .85A SOT23-6 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:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無(wú) 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC
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LTC3400ES6#TRPBF 功能描述:IC REG BST SYNC ADJ .85A SOT23-6 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:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無(wú) 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC
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