參數(shù)資料
型號(hào)： MAX797HESE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： High-Voltage, Step-Down Controller with Synchronous Rectifier for CPU Power
中文描述： SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO16
封裝： SO-16
文件頁數(shù)： 7/32頁
文件大?。?/td> 319K
代理商： MAX797HESE
M
S tep-Down Controllers with
S ync hronous Rec tifier for CPU Power
_______________________________________________________________________________________
7
____________________________Typic al Operating Charac teristic s (c ontinued)
(T
A
= +25°C, unless otherwise noted.)
0
200
μ
400
μ
600
μ
800
μ
14m
15m
16m
0
4
8
SUPPLY VOLTAGE (V)
12
16
20
24
28
32
QUIESCENT SUPPLY CURRENT
vs. SUPPLY VOLTAGE,
5V/3A CIRCUIT IN IDLE MODE
M
S
STANDARD MAX797 APPLICATION
CONFIGURED FOR 5V
SKIP = LOW
SYNC = REF
0
0.2
0.4
0.6
0.8
1.2
1.0
1.4
1.6
0
4
8
SUPPLY VOLTAGE (V)
12
16
20
24
28
32
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
M
S
μ
A
DEVICE CURRENT ONLY
SHDN = LOW
0
200
400
600
800
1200
1000
1400
0
4
8
SUPPLY VOLTAGE (V)
12
16
20
24
28
32
M
S
μ
A
QUIESCENT SUPPLY CURRENT
vs. SUPPLY VOLTAGE,
3.3V/3A CIRCUIT IN IDLE MODE
STANDARD MAX797 3.3V/3A
CIRCUIT, FIGURE 1
SKIP = LOW
SYNC = REF
SWITCHING
NOT SWITCHING
(FB FORCED TO3.5V)
0
10
20
30
0
4
8
SUPPLY VOLTAGE (V)
12
16
20
24
28
32
M
S
QUIESCENT SUPPLY CURRENT vs.
SUPPLY VOLTAGE, LOW-NOISE MODE
f = 150kHz
f = 300kHz
STANDARD MAX797 3.3V/3A
CIRCUIT, FIGURE 1
SKIP = HIGH
0
0.01
1
10
0.1
LOAD CURRENT (A)
DROPOUT VOLTAGE vs.
LOAD CURRENT
200
100
300
400
500
600
700
800
M
V
STANDARD MAX797 APPLICATION
CONFIGURED FOR 5V
V
OUT
> 4.8V
f = 150kHz
f = 300kHz
0
1
100
1000
10
REF LOAD-REGULATION ERROR
vs. LOAD CURRENT
5
10
15
20
M
REF LOAD CURRENT (
μ
A)
L
V
0
200
100
300
400
500
0
20
VL LOAD CURRENT (mA)
40
60
80
M
L
V
VL LOAD-REGULATION ERROR
vs. LOAD CURRENT
0
50
100
150
200
250
300
350
400
450
0
4
8
SUPPLY VOLTAGE (V)
12
16
20
24
28
32
M
M
MAX796
MAXIMUM SECONDARY CURRENT
vs. SUPPLY VOLTAGE, 5V/15V CIRCUIT
I
OUT
(MAIN) = 0A
I
OUT
(MAIN) = 3A
CIRCUIT OF FIGURE 11
TRANSFORMER = TTI5870
V
SEC
> 12.75V
1000
0.1
100
μ
10m
1
SWITCHING FREQUENCY vs.
LOAD CURRENT
10
LOAD CURRENT (A)
S
100
1m
100m
SYNC = REF (300kHz)
SKIP = LOW
+5V, V
IN
= 7.5V
1
+5V, V
IN
= 30V
+3.3V, V
IN
= 7.5V
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX797HESE+ 功能描述:DC/DC 開關(guān)控制器 Step-Down Controller for CPU Power 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
MAX797HESE+T 功能描述:DC/DC 開關(guān)控制器 Step-Down Controller for CPU Power 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
MAX797HESE-T 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
MAX797MJE 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
MAX797MSA/PR 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
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