參數資料
型號: MAX1816ETM
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Replaced by TMS320VC5506 : Digital Signal Processors 144-LQFP
中文描述: DUAL SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, CQCC48
封裝: 7 X 7 MM, 0.80 MM HEIGHT, THIN, QFN-48
文件頁數: 15/49頁
文件大小: 983K
代理商: MAX1816ETM
M
Dual Step-Down Controllers Plus Linear-
Regulator Controller for Notebook Computers
______________________________________________________________________________________
15
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE (PWM MODE)
M
INPUT VOLTAGE (V)
S
20
15
10
10
20
30
40
50
0
5
25
I+
I
CC
+ I
DD
BUCK1 LOAD TRANSIENT RESPONSE
(SKIP MODE)
MAX1816 toc11
20
μ
s/div
B
A
C
1.25V
20A
20A
A: LOAD CURRENT, 20A/div
B: OUTPUT VOLTAGE, 100mV/div, AC-COUPLED
C: INDUCTOR CURRENT, 20A/div
1.15V
0
0
1.35V
BUCK1 LOAD TRANSIENT RESPONSE
(PWM MODE)
MAX1816 toc12
20
μ
s/div
B
A
C
1.25V
20A
20A
A: LOAD CURRENT, 20A/div
B: OUTPUT VOLTAGE, 100mV/div, AC-COUPLED
C: INDUCTOR CURRENT, 20A/div
1.15V
0
0
1.35V
BUCK2 LOAD TRANSIENT RESPONSE
(SKIP MODE)
MAX1816 toc13
20
μ
s/div
B
A
2.6V
5A
A: OUTPUT VOLTAGE, 100mV/div, AC-COUPLED
B: INDUCTOR CURRENT, 5A/div
10A
2.5V
0
2.4V
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V+ = 12V, V
DD
= V
CC
= V
SKP1/
SDN
= V
SKP2/
SDN
= V
LIN/
SDN
= 5V; V
IN(LDO)
= 3.3V, V
OUT(BUCK1)
= 1.25V,
V
OUT(BUCK2)
= 2.5V; T
A
= +25
°
C, unless otherwise noted.)
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