參數(shù)資料
型號(hào)： LTC1436AEGN#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述： 2 A SWITCHING CONTROLLER, 400 kHz SWITCHING FREQ-MAX, PDSO24
封裝： 0.150 INCH, PLASTIC, SSOP-24
文件頁(yè)數(shù)： 23/28頁(yè)
文件大小： 493K
代理商： LTC1436AEGN#PBF
4
LTC1436A
LTC1436-PLL-A/LTC1437A
14367afb
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Low-Battery Comparator
VSATLBO
LBO Saturation Voltage
ILBO = 1.6mA, VLBI = 1.1V
0.6
1
V
ILLBO
LBO Leakage
VLBO = 12V, VLBI = 1.4V
●
0.01
1
A
VTHLBI
LBI Trip Voltage
High to Low Transition on LBO
●
1.16
1.19
1.22
V
IINLBI
LBI Input Current
VLBI = 1.19V
●
150
nA
VHYSLBO
LBO Hysteresis
20
mV
Auxiliary Regulator/Comparator
IAUXDR
AUXDR Current
VEXTVCC = 0V
Max Current Sinking Capability
VAUXDR = 4V, VAUXFB = 1.0V, VAUXON = 5V
10
15
mA
Control Current
VAUXDR = 5V, VAUXFB = 1.5V, VAUXON = 5V
1
5
A
Leakage When Off
VAUXDR = 24V, VAUXFB = 1.5V, VAUXON = 0V
0.01
1
A
IIN AUXFB
AUXFB Input Current
VAUXFB = 1.19V, VAUXON = 5V
0.01
1
A
IIN AUXON
AUXON Input Current
VAUXON = 5V
0.01
1
A
VTH AUXON
AUXON Trip Voltage
VAUXDR = 4V, VAUXFB = 1.0V
1.0
1.19
1.4
V
VSAT AUXDR
AUXDR Saturation Voltage
IAUXDR = 1.6mA, VAUXFB = 1.0V, VAUXON = 5V
0.4
0.8
V
VAUXFB
AUXFB Voltage
VAUXON = 5V, 11V < VAUXDR < 24V (Note 5)
●
11.5
12
12.5
V
VAUXON = 5V, 3V < VAUXDR < 7V (Note 5)
●
1.14
1.19
1.24
V
VTH AUXDR
AUXFB Divider Disconnect Voltage
VAUXON = 5V (Note 6), Ramping Negative
7.5
8.5
9.5
V
fOSC (kHz) =
+
–1
8.4(108)
COSC (pF) + 11
() 1
ICHG
()1
IDIS
Note 6: The Auxiliary Regulator is tested in a feedback loop which servos
VAUXFB to the balance point for the error amplifier. For applications with
VAUXDR > 9.5V, VAUXFB uses an internal resistive divider. See
Applications Information.
Note 7: The minimum on-time test condition corresponds to an inductor
peak-to-peak ripple current
≥ 40% of IMAX (see Minimum On-Time
Considerations in the Applications Information section).
Note 8: The LTC1436AE is guaranteed to meet performance
specifications from 0
°C to 70°C. Specifications over the –40°C to 85°C
operating temperature range are assured by design, characterization and
correlation with statistical process controls.
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:
LTC1436ACGN/LTC1436ACGN-PLL/LTC1436AEGN/LTC1436AIGN/
LTC1436AIGN-PLL: TJ = TA + (PD)(110 °C/W)
LTC1437ACG/LTC1437AIG: TJ = TA + (PD)(95 °C/W)
Note 3: The LTC1436A/LTC1437A are tested in a feedback loop which
servos VOSENSE to the balance point for the error amplifier
(VITH = 1.19V).
Note 4: Dynamic supply current is higher due to the gate charge being
delivered at the switching frequency. See Applications Information
section.
Note 5: Oscillator frequency is tested by measuring the COSC charge and
discharge currents and applying the formula:
The
● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 15V, VRUN/SS = 5V unless otherwise noted.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC1436AIGN 功能描述:IC REG CTRLR BUCK PWM CM 24-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(biāo)準(zhǔn)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(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 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
LTC1436AIGN#PBF 功能描述:IC REG CTRLR BUCK PWM CM 24-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(biāo)準(zhǔn)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(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 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
LTC1436AIGN#TR 功能描述:IC REG CTRLR BUCK PWM CM 24-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(biāo)準(zhǔn)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(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 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
LTC1436AIGN#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 24-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(biāo)準(zhǔn)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(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 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
LTC1436AIGN-PLL 功能描述:IC REG CTRLR BUCK PWM CM 24-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(biāo)準(zhǔn)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(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 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
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