參數(shù)資料
型號： LTC3860IUH#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： DUAL SWITCHING CONTROLLER, 1250 kHz SWITCHING FREQ-MAX, PQCC32
封裝： 5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32
文件頁數(shù)： 36/36頁
文件大小： 436K
代理商： LTC3860IUH#PBF
LTC3860
9
3860fc
FUNCTIONAL DIAGRAM
PIN FUNCTIONS
A change in VIN immediately modulates the input to the
PWM comparator and changes the pulse width in an in-
versely proportional manner, thus bypassing the feedback
loop and providing excellent transient line regulation. An
external lowpass lter can be added to this pin to prevent
noisy signals from affecting the loop gain.
TRACK/SS1 (Pin 32), TRACK/SS2 (Pin 9): Soft-Start. The
voltage ramp rate at these pins sets the voltage ramp rate
of the outputs. Self soft-start is accomplished by placing
a capacitor to ground.
22
ISNS1P
21
ISNS1N
20
23
18
28
ISNS2N
IAVG
ILIM2
ILIM1
20μA
21μA
20μA
10
FREQ
13
PHSMD
12
CLKOUT
11
16
CLKIN
3860 BD
OC1
NOC1
OC2
NOC2
19
ISNS2P
x18.5
8
FB2
7
COMP2
9
TRACK/SS2
EA2
REF
2
FB1
32
TRACK/SS1
3
COMP1
EA1
+
–
+
–
+
–
+
–
5
VSNSN
24
RUN1
100k
VCC
1.5μA
VCC
17
RUN2
6
VSNSP
4
VSNSOUT
DA
S
VFB1
ILIM1
VFB2
ILIM2
S
MASTER/SLAVE/
INDEPENDENT?
SD/UVLO
27
PGOOD1
VFB1
VFB2
14
PGOOD2
RAMP/SLOPE/
FEEDFORWARD
PGOOD
LOGIC
OC1 OC2
OV1 OV2
NOC1
NOC2
PWM2
31
VINSNS
25
PWM1
15
PWMEN2
26
PWMEN1
PLL/VCO
BG/BIAS
VCC
100k
VCC
1
VCC
29
SGND
30
SGND
+
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相關代理商/技術參數(shù)
參數(shù)描述
LTC3861EUH-1#PBF 制造商:Linear Technology 功能描述:IC REG CTRLR BUCK PWM VM 32-QFN 制造商:Linear Technology 功能描述:BUCK CNTRL DUAL 12PH 2.25MHZ 32QFN 制造商:Linear Technology 功能描述:BUCK, CNTRL, DUAL, 12PH, 2.25MHZ, 32QFN 制造商:Linear Technology 功能描述:PWM CONTROLLER, BUCK, 2.25MHZ, 24V, QFN-32, Input Voltage:24V, Output Voltage:5.5V, Output Current:60A, Supply Voltage Min:3V, Supply Voltage Max:5.5V, Digital IC Case Style:QFN, No. of Pins:32, Frequency:2.25MHz , RoHS Compliant: Yes 制造商:Linear Technology 功能描述:DP-SWREG/Controller, Dual-Phase/Dual-Channel Step-Down Voltage Mode Controller w
LTC3861EUH-1#TRPBF 制造商:Linear Technology 功能描述:IC REG CTRLR BUCK PWM VM 32-QFN
LTC3861EUHE#PBF 功能描述:IC REG CTRLR BUCK PWM VM 36-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:PolyPhase® 標準包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 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 ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX
LTC3861EUHE#TRPBF 功能描述:IC REG CTRLR BUCK PWM VM 36-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:PolyPhase® 標準包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無 升壓:是 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 ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤 包裝:帶卷 (TR)
LTC3861IUH-1#PBF 制造商:Linear Technology 功能描述:DC DC Cntrlr Dual-OUT Sync Step Down 3V to 24V Input 32-Pin QFN EP 制造商:Linear Technology 功能描述:IC REG CTRLR BUCK PWM VM 32-QFN 制造商:Linear Technology 功能描述:BUCK CNTRL DUAL 12PH 2.25MHZ 32QFN 制造商:Linear Technology 功能描述:BUCK, CNTRL, DUAL, 12PH, 2.25MHZ, 32QFN 制造商:Linear Technology 功能描述:DP-SWREG/Controller, Dual-Phase/Dual-Channel Step-Down Voltage Mode Controller w 制造商:Linear Technology 功能描述:PWM CONTROLLER, BUCK, 2.25MHZ, 24V, QFN-32, Input Voltage:24V, Output Voltage:5.5V, Output Current:60A, Supply Voltage Min:3V, Supply Voltage Max:5.5V, Digital IC Case Style:QFN, No. of Pins:32, Frequency:2.25MHz , RoHS Compliant: Yes
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