參數(shù)資料
型號(hào): LTC1629-PGDICE
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: DUAL SWITCHING CONTROLLER, 360 kHz SWITCHING FREQ-MAX, UUC28
封裝: DIE-28
文件頁(yè)數(shù): 1/2頁(yè)
文件大?。?/td> 76K
代理商: LTC1629-PGDICE
1
DICE/DWF SPECIFICATION
LTC1629-PG
Polyphase, High Efficiency, Synchronous
Step-Down Switching Regulator
DIE CROSS REFERENCE
Order DICE CANDIDATE
Part Number Below
LTC Finished
Part Number
LTC1629-PG
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
LTC1629-PG DICE
LTC1629-PG DWF
DICE ELECTRICAL TEST LI ITS
W
TA = 25°C. VIN = 15V, VRUN/SS = 5V unless otherwise noted.
PAD FUNCTION
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
RUN/SS
SENSE1+
SENSE1
EAIN
PLLFLTR
PLLIN
PHASMD
ITH
SGND
VDIFFOUT
VOS–
VOS+
SENSE2
SENSE2+
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
PGOOD
TG2
SW2
BOOST2
BG2
PGND
INTVCC
EXTVCC
BG1
VIN
BOOST1
SW1
TG1
CLKOUT
SYMBOL
PARAMETER
CONDITIONS
MIN
MAX
UNITS
Main Control Loop
VEAIN
Regulated Feedback Voltage
(Note 1); ITH Voltage = 1.2V
0.792
0.808
V
VSENSEMAX
Maximum Current Sense Threshold
VSENSE1, 2 = 5V;
65
85
mV
IINEAIN
Feedback Current
(Note 1)
– 50
nA
VLOADREG
Output Voltage Load Regulation
(Note 1)
Measured in Servo Loop; ITH Voltage = 0.7V
0.5
%
Measured in Servo Loop; ITH Voltage = 2V
– 0.5
%
VREFLNREG
Reference Voltage Line Regulation
VIN = 3.6V to 30V (Note 1)
0.02
%/V
VOVL
Output Overvoltage Threshold
Measured at VEAIN
0.84
0.88
V
UVLO
Undervoltage Lockout
VIN Ramping Down
3
4
V
IQ
Input DC Supply Current Shutdown
(Note 4); VRUN/SS = 0V
40
A
IRUN/SS
Soft-Start Charge Current
VRUN/SS = 1.9V
– 0.5
A
4
5
6
7
8
11
10
9
12
3
2
1
28
27
100 × 120 mils
26
13
14
15
16
17
24
22
25
23
21
19
20
18
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