參數(shù)資料
型號: MAX1540A
廠商: Maxim Integrated Products, Inc.
英文描述: Dual Step-Down Controllers with Saturation Protection, Dynamic Output, and Linear Regulator
中文描述: 雙路、降壓型控制器,帶有電感飽和保護(hù)、動態(tài)輸出和線性穩(wěn)壓器
文件頁數(shù): 14/49頁
文件大小: 794K
代理商: MAX1540A
M
Dual Step-Down Controllers with Saturation
Protection, Dynamic Output, and Linear Regulator
14
______________________________________________________________________________________
Typical Operating Characteristics (continued)
(MAX1541 circuit of Figure 12, V
IN
= 12V, V
DD
= V
CC
= 5V,
SKIP
= GND, TON = REF, T
A
= +25°C, unless otherwise noted.)
LINEAR-REGULATOR
LINE TRANSIENT
MAX1540A toc21
20V
10V
20V
10V
3.8V
3.3V
2.8V
C
A
B
200
μ
s/div
A. INPUT (V
), 10V/div
B. LDOIN (10V TO 20V), 10V/div
C. LDOOUT (3.3V), 500mV/div
20mA LOAD
OUTPUT OVERLOAD
(UVP DISABLED)
MAX1540A toc22
20A
0
2.5V
10A
B
D
C
A
40
μ
s/div
0
5A
0
5V
A. LOAD (0 TO 150m
Ω
), 10A/div
B. INDUCTOR CURRENT, 10A/div
OVP/UVP = OPEN OR GND
C. 2.5V OUTPUT, 2V/div
D. PGOOD2, 5V/div
0
OUTPUT OVERLOAD
(UVP ENABLED)
MAX1540A toc23
20A
0
2.5V
10A
B
D
C
A
20
μ
s/div
0
5A
0
5V
A. LOAD (0 TO 150m
Ω
), 10A/div
B. INDUCTOR CURRENT, 10A/div
C. DL2, 5V/div
OVP/UVP = V
CC
OR REF
D. 2.5V OUTPUT, 2V/div
E. PGOOD2, 5V/div
E
0
5V
INDUCTOR-SATURATION PROTECTION
(LSAT DISABLED)
MAX1540A toc24
0
2.5V
B
D
C
A
20
μ
s/div
5A
7.5A
A. I
OUT2
= 0 TO 5A, 5A/div
B. 2.5V OUTPUT, 200mV/div
LSAT = GND, L = 3.3
μ
H 3.5A
C. ILIM, 100mV/div
D. INDUCTOR CURRENT, 5A/div
0.67V
0
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MAX1540AETJ+ 功能描述:DC/DC 開關(guān)控制器 Dual Step-Down Ctlr w/Saturation Prot RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1540AETJ+T 功能描述:DC/DC 開關(guān)控制器 Dual Step-Down Ctlr w/Saturation Prot RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1540ETJ 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1540ETJ+ 功能描述:DC/DC 開關(guān)控制器 Dual Step-Down Ctlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1540ETJ+T 功能描述:DC/DC 開關(guān)控制器 Dual Step-Down Ctlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK