参数资料
型号: MAX15034BAUI+
厂商: Maxim Integrated Products
文件页数: 5/26页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 28TSSOP-EP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
PWM 型: 电流模式
输出数: 1 或 2
频率 - 最大: 1MHz
电源电压: 4.75 V ~ 5.5 V,5 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 28-SOIC(0.173",4.40mm 宽)裸露焊盘
包装: 管件
Configurable, Single-/Dual-Output, Synchronous
Buck Controller for High-Current Applications
Typical Operating Characteristics
(Circuit of Figure 6, T A = +25°C, unless otherwise noted. V IN = 12V, V OUT1 = 0.8V, V OUT2 = 1.3V, f SW = 500kHz per phase.)
SUPPLY CURRENT
vs. TEMPERATURE AND FREQUENCY
SUPPLY CURRENT
vs. TEMPERATURE AND FREQUENCY
OSCILLATOR FREQUENCY vs. R T
(V IN = 5V)
(V IN = 12V)
10,000
C DH_ = C DL_ = 0
16
C DH_ = C DL_ = 0
f SW = 1MHz
16
C DH_ = C DL_ = 0
f SW = 1MHz
14
14
1000
12
10
f SW = 500kHz
12
10
f SW = 500kHz
8
8
100
6
4
f SW = 125kHz
f SW = 250kHz
6
4
f SW = 125kHz
f SW = 250kHz
2
2
10
0 100 200 300 400 500 600 700 800 900 1000
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
R T (k ? )
SUPPLY CURRENT
vs. TEMPERATURE AND FREQUENCY
(V IN = 24V)
TEMPERATURE ( ° C)
SUPPLY CURRENT
vs. OSCILLATOR FREQUENCY
TEMPERATURE ( ° C)
SUPPLY CURRENT
vs. DRIVER LOAD CAPACITANCE
16
14
C DH_ = C DL_ = 0
f SW = 1MHz
14
13
C DH_ = C DL_ = 0
100
90
C LOAD = C DH_ = C DL_
12
f SW = 500kHz
12
80
70
10
8
11
10
V IN = 24V
V IN = 12V
60
50
6
f SW = 250kHz
9
40
4
2
0
f SW = 125kHz
8
7
6
V IN = 5V
30
20
10
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
200 400 600 800 1000 1200 1400 1600 1800 2000
0
5
10
15
20
25
30
5.10
TEMPERATURE ( ° C)
REG LOAD REGULATION
5.10
FREQUENCY (kHz)
REG LINE REGULATION
C LOAD (nF)
OUTPUT LOAD-TRANSIENT RESPONSE
MAX15034 toc07
5.05
5.00
V IN = 5.5V
V IN = 24V
V IN = 12V
5.08
5.06
5.04
5.02
I REG = 0
20A
I OUT
10A/div
V OUT
100mV/div
AC-COUPLED
4.95
4.90
5.00
4.98
4.96
I REG = 60mA
0
10 20 30 40 50 60 70 80 90 100
5
7
9
11
13
15
17
19
21
23
2ms/div
I REG (mA)
V IN (V)
_______________________________________________________________________________________
5
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