參數(shù)資料
型號(hào): IRU3018
廠商: International Rectifier
英文描述: 5-BIT PROGRAMMABLE SYNCHRONOUS BUCK PLUS LDO CONTROLLER AND 200mA LDO ON-BOARD
中文描述: 5位可編程同步降壓普樂士LDO控制器和200mA LDO的板載
文件頁(yè)數(shù): 2/16頁(yè)
文件大?。?/td> 148K
代理商: IRU3018
2
Rev. 1.5
07/24/01
IRU3018
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over V12=12V, V5=5V and T
A
=0 to 70°C. Typical values refer
to T
A
=25°C. Low duty cycle pulse testing is used which keeps junction and case temperatures equal to the ambient
temperature.
PARAMETER SYM
Supply UVLO Section
UVLO Threshold-12V
UVLO Hysteresis-12V
UVLO Threshold-5V
UVLO Hysteresis-5V
Supply Current
Operating Supply Current
TEST CONDITION
MIN
TYP
MAX
UNITS
Supply Ramping Up
10
0.4
4.3
0.3
V
V
V
V
Supply Ramping Up
I
12
I
5
V12
V5
6
20
mA
Switching Controller, Vcore (Vout 1)
VID Section
DAC Output Voltage (Note 1) V
DAC
DAC Output Line Regulation
DAC Output Temp Variation
VID Input LO
VID Input HI
VID Input Internal Pull-Up
Resistor to V5
Error Comparator Section
Input Bias Current
Input Offset Voltage
Delay to Output
Oscillator Section (Internal)
Osc Frequency
0.99Vs
Vs
0.1
0.5
1.01Vs
V
%
%
V
V
K
0.8
2
27
2
+2
100
μ
A
mV
ns
-2
Vdiff=10mV
200
KHz
ABSOLUTE MAXIMUM RATINGS
V5 Supply Voltage .................................................... 7V
V12 Supply Voltage .................................................. 20V
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature Range ..................... 0°C To 125°C
PACKAGE INFORMATION
24-PIN WIDE BODY PLASTIC SOIC (W)
V12
VID4
VID3
VID2
VID1
VID0
PGood
V5
SS
Fault / Rt
Fb2
Vin2
Vout2
Gnd
Gate3
Fb3
En
Fb1
Vsen1
OCSet1
PGnd
LGate1
Phase1
UGate1
4
3
2
1
21
22
23
24
7
6
5
18
19
20
TOP VIEW
12
13
11
14
10
15
9
16
8
17
θ
JA
=80
!
C/W
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