參數(shù)資料
型號: MAX15011
廠商: Maxim Integrated Products, Inc.
英文描述: Automotive 300mA LDO Regulators with Switched Output and Overvoltage Protector
中文描述: 用于汽車電子的300mA LDO穩(wěn)壓器,提供可切換輸出和過壓保護
文件頁數(shù): 6/23頁
文件大?。?/td> 479K
代理商: MAX15011
M
Automotive 300mA LDO Regulators with
Switched Output and Overvoltage Protector
6
_______________________________________________________________________________________
Typical Operating Characteristics
(V
IN
= V
EN_LDO
= V
EN_PROT
= V
EN_SW
= +14V, C
IN
= 10μF, C
OUT_LDO
= 22μF, C
OUT_SW
= 1μF, V
OUT_LDO
= +5V, FB_LDO = SGND,
T
A
= +25°C, unless otherwise specified.)
LDO GROUND CURRENT
vs. LOAD CURRENT
M
LOAD CURRENT (mA)
0
0.3
0.6
0.9
0.1
0.4
0.7
0.2
0.5
0.8
1.0
90
85
80
75
70
65
60
55
L
μ
A
T
A
= -40
°
C
T
A
= +25
°
C
T
A
= +125
°
C
T
A
= +85
°
C
LDO GROUND CURRENT
vs. LOAD CURRENT
M
LOAD CURRENT (mA)
0
75
150
225
25
100
175
50
125
200
250275300
130
120
140
110
100
90
80
70
60
L
μ
A
T
A
= -40
°
C
T
A
= +25
°
C
T
A
= +85
°
C
T
A
= +125
°
C
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
-60
0
-40
100
80
60
120
-20
20 40
140
30
25
35
20
15
10
5
0
I
S
μ
A
LDO LOAD-TRANSIENT RESPONSE
MAX15009 toc09
400
μ
s/div
I
OUT_LDO
100mA/div
0A
V
5V, AC-COUPLED
100mV/div
LDO POWER-SUPPLY
REJECTION RATIO vs. FREQUENCY
M
FREQUENCY (Hz)
10
100k
10k
100
1k
1M
-10
-20
0
-30
-40
-50
-60
-70
-80
-90
L
I
OUT_LDO
= 10mA
V
IN
UVLO HYSTERESIS
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
-50
75
25
-25
125
50
0
100
150
400
350
300
250
200
150
100
U
LDO LOAD REGULATION
M
I
OUT_LDO
(mA)
0
200
100
300
5.10
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
V
O
LDO LOAD-TRANSIENT RESPONSE
MAX15009 toc08
2ms/div
V
5V, AC-COUPLED
20mV/div
I
OUT_LDO
100mA/div
0A
LDO OUTPUT VOLTAGE
vs. INPUT VOLTAGE
M
V
IN
(V)
0
25
15
5
35
20
10
30
40
6
5
4
3
2
1
0
V
O
I
OUT_LDO
= 10mA
I
OUT_LDO
= 300mA
(PULSED)
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