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參數資料
| 型號： | LTM4600IV |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 17 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, BGA104 |
| 封裝： | 15 X 15 MM, 2.8 MM HEIGHT, ROHS COMPLIANT, MO-222, LGA-104 |
| 文件頁數： | 18/24頁 |
| 文件大小： | 351K |
| 代理商： | LTM4600IV |
PRERELEASE
LTM4600
3
4600p
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The LTM4600E is guaranteed to meet performance specications
from 0°C to 85°C. Specications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls. The LTM4600I is guaranteed and tested
over the –40°C to 85°C temperature range.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Output Specications
IOUTDC
Output Continuous Current Range
(See Output Current Derating Curves for
Different VIN, VOUT and TA)
VIN = 12V, VOUT = 1.5V
0
10
A
ΔVOUT/ΔVIN
Line Regulation Accuracy
IOUT = 0A
VOUT = 1.5V. FCB = 0V
●
0.3
%
ΔVOUT/ΔIOUT
Load Regulation Accuracy
VIN = 5V
VIN = 12V
VOUT = 1.5V. FCB = 0V
0A to 10A
●
±1
%
VOUT(AC)
Output Ripple Voltage
VIN = 12V, VOUT = 1.5V, FCB = 0V
VIN = 5V, VOUT = 1.5V, FCB = 0V
IOUT = 0A
●
15
20
25
mVP-P
Fs
Output Ripple Voltage Frequency
FCB = 0V, IOUT = 5A, VIN = 12V, VOUT =
1.5V
800
kHz
tSTART
Turn-On Time
VIN = 12V
VIN = 5V
VOUT = 1.5V, IOUT = 10A
0.5
0.7
ms
ΔVOUTLS
Voltage Drop for Dynamic Load Step
VIN = 12V, VOUT = 1.5V
Load Step: 0A to 5A/s
COUT = 3 22F 6.3V, 470F 4V Pos Cap,
See Table 2
36
mV
tSETTLE
Settling Time for Dynamic Load Step
VIN = 12V
Load: 10% to 90% to 10% of Full Load
25
s
IOUTPK
Output Current Limit
VIN = 12V, VOUT = 1.5V
VIN = 5V, VOUT = 1.5V
17
A
Control Stage
VOSET
Voltage at VOSET Pin
IOUT = 0A, VOUT = 1.5V
●
0.594
0.6
0.606
V
VRUN/SS
RUN ON/OFF Threshold
0.8
1.5
2
V
IRUN(C)/SS
Soft-Start Charging Current
VRUN/SS = 0V
–0.5
–1.2
–3
A
IRUN(D)/SS
Soft-Start Discharging Current
VRUN/SS = 4V
0.8
1.8
3
A
VIN – SVIN
EXTVCC = 0, FCB = 0V
100
mV
IEXTVCC
Current into EXTVCC Pin
FCB = 0V, VOUT = 1.5V, IOUT = 0A
16
mA
RFBHI
Resistor Between VOUT and FB Pins
100
kΩ
VFCB
Forced Continuous Threshold
0.57
0.6
0.63
V
IFCB
Forced Continuous Pin Current
VFCB = 0.6V
–1
–2
A
PGOOD Output
ΔVOSETH
PGOOD Upper Threshold
VOSET Rising
7.5
10
12.5
%
ΔVOSETL
PGOOD Lower Threshold
VOSET Falling
–7.5
–10
–12.5
%
ΔVOSET(HYS)
PGOOD Hysteresis
VOSET Returning
1
2.5
%
VPGL
PGOOD Low Voltage
IPGOOD = 5mA
0.15
0.4
V
The ● denotes the specications which apply over the –40°C to 85°C
temperature range, otherwise specications are at TA = 25°C, VIN = 12V. Per typical application (front page) conguration.
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