参数资料
型号: MAX1716EEG+
厂商: Maxim Integrated Products
文件页数: 9/33页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 24-QSOP
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
频率 - 最大: 550kHz
占空比: 100%
电源电压: 2 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 ~ 85°C
封装/外壳: 24-SSOP(0.154",3.90mm 宽)
包装: 管件
High-Speed, Adjustable, Synchronous Step-Down
Controllers with Integrated Voltage Positioning
Typical Operating Characteristics (continued)
(Circuit from Figure 1, components from Table 2, T A = +25 ° C, unless otherwise noted.)
CONTINUOUS-TO-DISCONTINUOUS
INDUCTOR CURRENT PEAKS AND
3
CURRENT-LIMIT ERROR vs. V ILIM
4.5
INDUCTOR CURRENT POINT
25
VALLEYS vs. BATTERY VOLTAGE
2
4.0
3.5
CIRCUIT#1
V OUT = 1.6V
20
I PEAK
1
3.0
0
-1
-2
2.5
2.0
1.5
1.0
CIRCUIT#2
V OUT = 1.3V
CIRCUIT#3
V OUT = 1.0V
15
10
5
I VALLEY
-3
0
0.5
1.0
1.5
2.0
2.5
3.0
0.5
0
0
4
8
12
16
20
24
0
0
4
8
V OUT = 1.3V
CIRCUIT#2 (L = 1 μ H)
12 16 20
24
0.8
V ILIM (V)
NO-LOAD SUPPLY CURRENT
vs. BATTERY VOLTAGE
30
V BATT (V)
NO-LOAD SUPPLY CURRENT
vs. BATTERY VOLTAGE
14
V BATT (V)
NO-LOAD SUPPLY CURRENT
vs. BATTERY VOLTAGE
0.7
I CC + I DD
25
12
0.6
0.5
SKIP MODE
20
I CC + I DD
10
I CC + I DD
550kHz (TON = GND)
8
0.4
CURCUIT#2 (L = 0.68 μ H)
15
I BATT
0.3
0.2
10
I BATT
6
4
0.1
0
0
4
8
12
16
I BATT
20
24
5
0
0
4
8
PWM MODE
550kHz (TON = GND)
CURCUIT#2 (L = 0.68 μ H)
12 16 20 24
2
0
0
4
8
PWM MODE
200kHz (TON = V CC )
CURCUIT#2 (L = 1.5 μ H)
12 16 20 24
1.60V
V BATT (V)
LOAD-TRANSIENT RESPONSE
(V BATT = 15V, PWM MODE)
V BATT (V)
1.60V
V BATT (V)
LOAD-TRANSIENT RESPONSE
WITH DISABLED VOLTAGE POSITIONING
1.55V
1.50V
20A
10A
A
B
1.55V
1.50V
20A
10A
A
B
0
40 μ s/div
A. V OUT = 1.6V, 50mV/div; B. I OUT = 1.3A TO 18A, 10A/div;
CIRCUIT #1, V BATT = 15V, PWM MODE
0
40 μ s/div
A. V OUT = 1.6V, 50mV/div; B. I OUT = 0.3A TO 18A, 10A/div;
CIRCUIT #1, V BATT = 15V, PWM MODE; VPS = PGND
_______________________________________________________________________________________
9
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