lx1665 Microsemi Corporation, lx1665 Datasheet - Page 3

• Manufacturer Part Number: lx1665
• Description: Dual Output Pwm Controllers With 5-bit Dac
• Manufacturer: Microsemi Corporation

(Unless otherwise specified, 10.8 < V
Reference & DAC Section
Regulation Accuracy
Regulation Accuracy
Timing Section
Off Time Initial
Off Time Temp Stability
Discharging Current
Ramp Peak
Ramp Peak-Valley
Ramp Valley Delay to Output
Error Comparator Section
Input Bias Current
Input Offset Voltage
E
Current Sense Section
Input Bias Current (V
Pulse By Pulse C
C
Output Drivers Section
Drive Rise Time
Drive Fall Time
Drive High
Drive Low
Output Pull Down
UVLO and S.S. Section
Start-Up Threshold
Hysteresis
SS Sink Current
SS Sat Voltage
Supply Current Section
Dynamic Operating Current
Power Good / Over-Voltage Protection Section (LX1665 Only)
Lower Threshold
Hysteresis
Power Good Voltage Low
Over-Voltage Threshold
OVP Sourcing Current
Linear Regulator Section
Output Voltage
Setpoint Accuracy
Output Temperature Drift
Load Regulation
Cummulative Accuracy
Op-Amp Output Current
C
S
Delay to Output
Delay to Output
Parameter
L
CC_CORE
(See Table 1)
LX1664/1665
LX1664A/1665A
Pin)
(See Table 1 - Next Page)
CC
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
D
< 13.2, 0°C ≤ T
UAL
Symbol
V
V
V
OT
V
V
V
V
V
I
V
V
I
I
T
T
HYST
DIS
I
I
CD
RPP
CLP
SD
DH
PD
OL
B
IO
B
DL
ST
R
F
P
O
P
E L E C T R I C A L C H A R A C T E R I S T I C S
UTPUT
R O D U C T I O N
(Less 40mV output adaptive positioning)
1.8V ≤ V
V
V
V
V
V
V
10% Overdrive
1.3V < V
10% Overdrive
1.3V < V
Initial Accuracy
Initial Accuracy
10% Overdrive
V
V
V
V
V
V
V
V
V
V
(V
I
(V
V
Set by external resistors
I
Open Loop
PWRGD
L
CC_CORE
CC_CORE
CC_CORE
CC_CORE
CC_CORE
CC_CORE
C1
C1
CC
CC
CC
CC
CC
C1
C1
CC
OV
= 0.5A using 0.5% resistors
CC_CORE
CC_CORE
A
= V
= V
= V
= V
= V
= V
= V
= 10.1V
= 9V, I
= V
= 5V
≤ 70°C. Test conditions: V
= 5mA
PWM C
CC
CC
CC
CC
C1
CC
CC
C
= 1.3V, C
= 3.5V, C
= 1.3V to 3.5V
= 1.3V, V
= 1.3V
= 3.5V
= 0, I
/ DAC
OUT
/ V
SS
INV
= 12V, C
= 12V, C
= 12V, I
= 12V, I
= 12V, I
= 12V, I
= 12V, Out Freq = 200kHz, C
SD
= V
DAC
= V
≤ 2.8V
= 200µA
PULL UP
)
INV
OUT
CC_CORE
Test Conditions
)
< 3.5V
T
T
CT
SINK
SINK
SOURCE
SOURCE
L
L
= 390pF
= 390pF
ONTROLLERS WITH
= 1.5V
= 3000pF
= 3000pF
= 2mA
= 200mA
= 200mA
< 3.5V
= 20mA
= 20mA
LX1664/1664A, LX1665/65A
D
A T A
CC
= 12V, T = 25°C. Use Application Circuit.)
, V
S
L
CC
= 0
= 12V, I
H E E T
5-B
IT
LOAD
DAC
= 6A
0.37
Min.
-1.5
180
110
-30
0.9
9.9
1.5
36
85
50
88
30
50
-1
2
LX1664/1665 (A)
Typ.
0.42
0.06
10.1
0.31
0.15
210
100
200
100
200
117
0.8
0.8
0.8
5.5
0.5
40
41
27
60
70
70
11
10
90
45
40
70
2
1
2
1
1
Max.
0.47
10.4
240
115
125
1.1
0.1
1.2
1.4
0.6
0.7
3.6
1.5
1.5
30
46
35
70
27
92
1
2
3
Units
ppm
ppm
mA
mA
mA
mA
mV
mV
mV
mV
µA
µA
µA
µs
µs
ns
ns
ns
ns
ns
%
%
%
%
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V
3