LM2635MX National Semiconductor, LM2635MX Datasheet - Page 4

• Manufacturer Part Number: LM2635MX
• Description: IC REG SYNCH BUCK 5-BIT 20-SOIC
• Manufacturer: National Semiconductor

Specifications of LM2635MX

• Applications: Power Supplies
• Current - Supply: 2.5mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM2635MX; LM2635MXTR

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V
V
∆V
G
SR
BW
I
I
D
D
R
R
R
f
I
V
V
Q_V CC
Q_BOOTV
OSC
MAX
BOOTV
DACOUT
MAX
MIN
SENSE
DS_SRC
DS_SINK
OUTEN_IH
OUTEN_IL
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
V
T
EA
(All voltages are referenced to the PGND and SGND
pins.)
V
BOOTV
Junction Temperature
DC Power Dissipation (Note 2)
Storage Temperature
Symbol
OUT
J
EA
CC
EA
CC
= +25˚C. Limits appearing in boldface type apply over 0˚C to +70˚C.
= 5V unless otherwise indicated under the Conditions column. Typicals and limits appearing in plain type apply for T
FET Driver Supply
Voltage
5-Bit DAC Output
Voltage
DC Load Regulation
DC Line Regulation
Error Amplifier DC Gain
Error Amplifier Slew
Rate
Error Amplifier Unity
Gain Bandwidth
Operating V
Shutdown V
BOOTV Pin Quiescent
Current
Maximum Duty Cycle
Minimum Duty Cycle
SENSE Pin Resistance
to Ground
FET Driver Drain-Source
ON Resistance when
Sourcing Current
FET Driver Drain-Source
ON Resistance when
Sinking Current
Oscillator Frequency
IMAX Pin Sink Current
OUTEN Pin Input Logic
Low to Logic High Trip
Point
OUTEN Pin Input Logic
High to Logic Low Trip
Point
Parameter
CC
CC
Current
Current
VID4:0=00101
VID4:0=00001
VID4:0=11101
VID4:0=10111
I
V
OUTEN=V
OUTEN Floating, VID0:4 Floating
BOOTV=12V, OUTEN=0, VID0:4
Floating
BOOTV=5V
(Independent of BOOTV Voltage)
R
R
R
V
OUTEN Voltage
OUTEN Voltage ↓
OUT
−65˚C to +150˚C
IN
FA
FA
FA
IMAX
=4.75V to 5.25V Figure 2
=0 to 14A Figure 2
= 84 kΩ
= 22 kΩ
= 10.5 kΩ
(Note 1)
= 5V, V
CC
1.42W
150˚C
=5V, VID=10111
Conditions
15V
IFB
7V
↑
= 6V, V
4
CC
Recommended Operating
Conditions
Soldering Time, Temperature
ESD Susceptibility (Note 3)
Supply Voltage Range (V
Junction Temperature Range
= 5V
Wave (4 seconds)
Infrared (10 seconds)
Vapor Phase (75 seconds)
1.773
1.969
2.165
2.753
Min
250
130
1.5
3.5
(Note 1)
1
7
CC
)
1.809
2.009
2.209
2.809
1000
2000
11.5
Typ
300
180
2.5
1.5
1.7
3.0
1.8
−5
85
90
1
6
5
4
0
7
1.845
2.049
2.253
2.865
Max
350
230
1.5
15
16
4
3
0˚C to +125˚C
4.5V to 5.5V
260˚C
240˚C
219˚C
2 kV
Units
MHz
V/µs
kHz
mV
mA
A
dB
µA
kΩ
µA
%
%
Ω
Ω
V
V
V
V
=