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參數(shù)資料
| 型號(hào)： | LTC1436A |
| 廠商： | Linear Technology Corporation |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 抗輻射高效，5安培開關(guān)穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 4/28頁(yè) |
| 文件大?。?/td> | 518K |
| 代理商： | LTC1436A |
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4
LTC1436A
LTC1436-PLL-A/LTC1437A
ELECTRICAL CHARACTERISTICS
T
A
= 25
°
C, V
IN
= 15V, V
RUN/SS
= 5V unless otherwise noted.
SYMBOL
Low-Battery Comparator
V
SATLBO
I
LLBO
V
THLBI
INLBI
V
HYSLBO
Auxiliary Regulator/Comparator
I
AUXDR
AUXDR Current
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
LBO Saturation Voltage
LBO Leakage
LBI Trip Voltage
LBI Input Current
LBO Hysteresis
I
LBO
= 1.6mA, V
LBI
= 1.1V
V
LBO
= 12V, V
LBI
= 1.4V
High to Low Transition on LBO
V
LBI
= 1.19V
0.6
0.01
1.19
1
20
1
1
V
G
μ
A
V
nA
mV
G
1.16
1.22
50
G
V
EXTVCC
= 0V
V
AUXDR
= 4V, V
AUXFB
= 1.0V, V
AUXON
= 5V
V
AUXDR
= 5V, V
AUXFB
= 1.5V, V
AUXON
= 5V
V
AUXDR
= 24V, V
AUXFB
= 1.5V, V
AUXON
= 0V
V
AUXFB
= 1.19V, V
AUXON
= 5V
V
AUXON
= 5V
V
AUXDR
= 4V, V
AUXFB
= 1.0V
I
AUXDR
= 1.6mA, V
AUXFB
= 1.0V, V
AUXON
= 5V
V
AUXON
= 5V, 11V < V
AUXDR
< 24V (Note 5)
V
AUXON
= 5V, 3V < V
AUXDR
< 7V (Note 5)
V
AUXON
= 5V (Note 5), Ramping Negative
Max Current Sinking Capability
Control Current
Leakage When Off
AUXFB Input Current
AUXON Input Current
AUXON Trip Voltage
AUXDR Saturation Voltage
AUXFB Voltage
10
15
1
0.01
0.01
0.01
1.19
0.4
12
1.19
8.5
mA
μ
A
μ
A
μ
A
μ
A
5
1
1
1
I
IN
AUXFB
I
IN AUXON
V
TH AUXON
V
SAT AUXDR
V
AUXFB
1.0
1.4
0.8
12.5
1.24
9.5
V
V
V
V
V
G
G
11.5
1.14
7.5
V
TH AUXDR
AUXFB Divider Disconnect Voltage
Note 4:
Oscillator frequency is tested by measuring the C
OSC
charge and
discharge currents and applying the formula:
(
f
OSC
(kHz) =
+
–1
8.4(10
8
)
C
OSC
(pF) + 11
)
1
I
CHG
(
)
1
I
DIS
Note 5:
The Auxiliary Regulator is tested in a feedback loop which servos
V
AUXFB
to the balance point for the error amplifier. For applications with
V
AUXDR
> 9.5V, V
AUXFB
uses an internal resistive divider. See
Applications Information.
Note 6:
The minimum on-time test condition corresponds to an inductor
peak-to-peak ripple current
≥
40% of I
MAX
(see Minimum On-Time
Considerations in the Applications Information section).
The
G
denotes specifications which apply over the full operating
temperature range.
LTC1436ACGN/LTC1436ACGN-PLL/LTC1437ACG: 0
°
C
≤
T
A
≤
70
°
C
LTC1436AIGN/LTC1436AIGN-PLL/LTC1437AIG: –40
°
C
≤
T
A
≤
85
°
C
Note 1:
T
J
is calculated from the ambient temperature T
A
and power
dissipation P
D
according to the following formulas:
LTC1436ACGN/LTC1436ACGN-PLL/LTC1436AIGN/
LTC1436AIGN-PLL: T
J
= T
A
+ (P
D
)(110
°
C/W)
LTC1437ACG/LTC1437AIG: T
J
= T
A
+ (P
D
)(95
°
C/W)
Note 2:
The LTC1436A/LTC1437A are tested in a feedback loop which
servos V
OSENSE
to the balance point for the error amplifier
(V
ITH
= 1.19V).
Note 3:
Dynamic supply current is higher due to the gate charge being
delivered at the switching frequency. See Applications Information
section.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC1436A-PLL | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LTC1436ACGN | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LTC1436AIGN | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LTC1437A | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LTC1437ACG | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1436ACGN | 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 |
| LTC1436ACGN#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 |
| LTC1436ACGN#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 |
| LTC1436ACGN#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 |
| LTC1436ACGN-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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