參數(shù)資料
型號： LTC1929IG-PG
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 3 A DUAL SWITCHING CONTROLLER, 310 kHz SWITCHING FREQ-MAX, PDSO28
封裝： 0.209 INCH, PLASTIC, SSOP-28
文件頁數(shù)： 23/28頁
文件大?。?/td> 310K
代理商： LTC1929IG-PG
4
LTC1929/LTC1929-PG
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IB
Input Bias Current
Op Amp Mode (LTC1929 Only)
30
200
nA
AOL
Open Loop DC Gain
Op Amp Mode; 0.7V
≤ VDIFFOUT < 10V
5000
V/mV
(LTC1929 Only)
VCM
Common Mode Input Voltage Range
Op Amp Mode (LTC1929 Only)
0
3
V
CMRROA
Common Mode Rejection Ratio
Op Amp Mode; 0V < VCM < 3V (LTC1929 Only)
70
90
dB
PSRROA
Power Supply Rejection Ratio
Op Amp Mode; 6V < VIN < 30V (LTC1929 Only)
70
90
dB
ICL
Maximum Output Current
Op Amp Mode; VDIFFOUT = 0V (LTC1929 Only)
10
35
mA
VO(MAX)
Maximum Output Voltage
Op Amp Mode; IDIFFOUT = 1mA (LTC1929 Only)
10
11
V
GBW
Gain-Bandwidth Product
Op Amp Mode; IDIFFOUT = 1mA (LTC1929 Only)
2
MHz
SR
Slew Rate
Op Amp Mode; RL = 2k (LTC1929 Only)
5
V/
s
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at TA = 25°C. VIN = 15V, VRUN/SS = 5V unless otherwise noted.
Note 5: When the AMPMD pin is high (default for the LTC1929-PG), the
LTC1929 IC pins are connected directly to the internal op amp inputs.
When the AMPMD pin is low, internal MOSFET switches connect four
40k resistors around the op amp to create a standard unity-gain
differential amp.
Note 6: Minimum on-time condition corresponds to the on inductor
peak-to-peak ripple current
≥40% of IMAX (see minimum on-time
considerations in the Applications Information section).
Note 1: Absolute Maximum Ratings are those values beyond which the
life of a device may be impaired.
Note 2: TJ is calculated from the ambient temperature TA and power
dissipation PD according to the following formulas:
LTC1929CG: TJ = TA + (PD 95°C/W)
Note 3: The LTC1929 is tested in a feedback loop that servos VITH to a
specified voltage and measures the resultant VEAIN.
Note 4: Dynamic supply current is higher due to the gate charge being
delivered at the switching frequency. See Applications Information.
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Efficiency vs Output Current
(Figure 13)
OUTPUT CURRENT (A)
0.1
EFFICIENCY
(%)
100
80
60
40
20
0
1929 G01
1
10
100
VOUT = 2V
VEXTVCC = 0V
FREQ = 200kHz
VIN = 5V
VIN = 8V
VIN = 12V
VIN = 20V
OUTPUT CURRENT (A)
0.1
EFFICIENCY
(%)
40
60
1929 G02
20
0
10
1
100
80
VIN = 12V
VOUT = 2V
FREQ = 200kHz
VEXTVCC = 5V
VEXTVCC = 0V
VIN (V)
5
EFFICIENCY
(%)
100
90
80
70
60
50
1929 G03
10
15
20
VEXTVCC = 5V
IOUT = 20A
VOUT = 2V
VOUT = 1.6V
Efficiency vs Output Current
(Figure 13)
Efficiency vs VIN
(Figure 13)
The q denotes the specifications which apply over the full operating
相關(guān)PDF資料
PDF描述
LTC203MJ/883B QUAD 1-CHANNEL, SGL POLE SGL THROW SWITCH, CDIP16
LTC202MJ/883B QUAD 1-CHANNEL, SGL POLE SGL THROW SWITCH, CDIP16
LTC201AMJ/883B QUAD 1-CHANNEL, SGL POLE SGL THROW SWITCH, CDIP16
LTC2904IDDB8 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
LTC2905IDDB8#PBF 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC1929IG-PG#PBF 功能描述:IC REG CTRLR BUCK PWM CM 28-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 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
LTC1929IG-PG#TR 功能描述:IC REG CTRLR BUCK PWM CM 28-SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 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
LTC1929IG-PG#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 28-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 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
LTC1949ES8 制造商:Linear Technology 功能描述:
LTC1955EUH 功能描述:IC INTERFACE DL SMART CARD 32QFN RoHS:否 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝:2,450 系列:- 控制器類型:SPI 總線至 I²C 總線橋接 接口:I²C，串行，SPI 電源電壓:2.4 V ~ 3.6 V 電流 - 電源:11mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-HVQFN（4x4） 包裝:托盤 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名稱:935286452157SC18IS600IBSSC18IS600IBS-ND
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*