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參數(shù)資料
| 型號： | ADP3421JRU |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Geyserville-Enabled DC-DC Converter Controller for Mobile CPUs |
| 中文描述： | SWITCHING CONTROLLER, PDSO28 |
| 封裝： | TSSOP-28 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 146K |
| 代理商： | ADP3421JRU |
REV. A
–3–
ADP3421
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
CURRENT LIMIT COMPARATOR
Input Offset Voltage
Input Bias Current
Hysteresis Current
V
CLOS
I
CL+
I
CL–
V
CS–
= 1.3 V
V
CS+
= 1.3 V
V
CORE
= V
RAMP
= 1.3 V
V
REG
= 1.28 V, V
CS–
= 1.3 V
V
CS+
= 1.28 V
R
IHYS
Open
R
IHYS
= 170 k
R
IHYS
= 17 k
V
CS+
= 1.32 V
R
IHYS
Open
R
IHYS
= 170 k
R
IHYS
= 17 k
–6
–5
+6
+5
mV
μ
A
–5
–38
–335
μ
A
μ
A
μ
A
–22
–265
–30
–300
–5
–27
–225
1.87
60
100
μ
A
μ
A
μ
A
V
ns
ns
–13
–175
1.53
–20
–200
1.70
30
50
Hysteresis Setting Reference Voltage V
VHYS
Propagation Delay Time
6
t
CLPD7
T
A
= 25
°
C
0
°
C
≤
T
A
≤
100
°
C
LINEAR REGULATOR SOFT-START TIMER
Charge Current
Discharge Current
Enable Threshold
Termination Threshold
I
SSC(UP)
I
SSCEN4
V
V
SSCTH
V
SSC
= 0 V
V
SSC
= 1.7 V, V
UVLO
= 1.1 V
–0.6
0.3
–1.0
1.0
150
1.70
–1.4
μ
A
mA
mV
V
400
1.87
1.53
2.5 V CLK LDO CONTROLLER
Feedback Bias Current
Output Drive Current
I
CLKFB
I
CLKDRV
V
CLKFB
= 2.5 V
V
CLKDRV
= 2.55 V
V
CLKDRV
= 2.45 V
I
CLKDRV
= 1 mA
12.5
25
1
20
μ
A
μ
A
mA
mA/V
3
DC Transconductance
G
CLK
500
1.5 V I/O LDO CONTROLLER
Feedback Bias Current
Output Drive Current
I
IOFB
I
IODRV
V
IOFB
= 1.5 V
V
IODRV
= 1.53 V
V
IODRV
= 1.47 V
I
CLKDRV
= 1 mA
7.5
15
1
60
μ
A
μ
A
mA
mA/V
10
DC Transconductance
G
IO
650
LEVEL TRANSLATOR
Input Clamping Threshold
Output Voltage
V
LTIH
V
LTOH
V
LTOL
t
LTPD
I
LTI
= –10
μ
A
I
LTI
= –10
μ
A
9
V
LTI
= 0.175 V
9
0.95
0.9
×
V
CCLT
1.5
V
CCLT
375
10
V
V
mV
ns
Propagation Delay Time
6
NOTES
1
V
CORE
ramps up monotonically.
2
V
CORE
ramps down monotonically.
3
During latency time of VID code change, the Power Good output signal should not be considered valid.
4
Internal bias and soft start are not enabled unless the soft-start pin voltage first drops below the enable threshold.
5
Measured from 50% of VID code transient amplitude to the point where V
DAC
settles within
±
1% of its steady state value.
6
Guaranteed by characterization.
7
40 mV p-p amplitude impulse with 20 mV overdrive. Measure from the input threshold intercept point to 50% of the output voltage swing.
8
Measured between the 30% and 70% points of the output voltage swing.
9
The LTO output tied to V
CCLT
= 2.5 V rail through an R
LTO
= 150
pull-up resistor.
Specifications subject to change without notice.
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| ADP3421JRU-REEL | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
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| ADP3422JRU | 制造商:AD 制造商全稱:Analog Devices 功能描述:IMVP-II-Compliant Core Power Controller for Mobile CPUs |
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