LTC3829EFE#PBF Linear Technology, LTC3829EFE#PBF Datasheet - Page 4

• Manufacturer Part Number: LTC3829EFE#PBF
• Description: IC BUCK SYNC ADJ 38TSSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3829EFE#PBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.6 ~ 5 V
• Frequency - Switching: 250kHz ~ 770kHz
• Voltage - Input: 4.5 ~ 38 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 38-TSSOP Exposed Pad, 38-eTSSOP, 38-HTSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Power - Output: -

LTC3829
elecTrical characTerisTics
SYMBOL
TG1,2,3 t
TG1,2,3 t
BG1,2,3 t
BG1,2,3 t
TG/BG t
BG/TG t
t
INTV
V
V
V
V
V
Oscillator and Phase-Locked Loop
f
f
f
R
I
I
CLKOUT
CLKHIGH
CLKLOW
PGOOD Output
V
I
V
Differential Amplifier
A
R
V
PSRR
I
V
GBW
SR

junction temperature range, otherwise specifications are at T
ON(MIN)
NOM
LOW
HIGH
FREQ
ISET
PGOOD
CL
INTVCC
LDO
EXTVCC
LDO
LDOHYS
PGL
PG
DA
OS
OUT(MAX)
PLLN
IN
CC
INT
EXT
Linear Regulator
1D
2D
r
f
r
f
PARAMETER
TG Transition Time
BG Transition Time
Top Gate Off to Bottom Gate On Delay
Synchronous Switch-On Delay Time
Bottom Gate Off to Top Gate On Delay
Top Switch-On Delay Time
Minimum On-Time
Internal V
INTV
EXTV
EXTV
EXTV
Nominal Frequency
Lowest Frequency
Highest Frequency
PLLIN Input Resistance
Frequency Setting Current
Shed and Burst Mode Program
Current
Phase (Relative to Controller 1)
Clock High Output Voltage
Clock Low Output Voltage
PGOOD Voltage Low
PGOOD Leakage Current
PGOOD Trip Level, Either Controller
Gain
Input Resistance
Input Offset Voltage
Power Supply Rejection Ratio
Maximum Output Current
Maximum Output Voltage
Gain-Bandwidth Product
Slew Rate
Rise Time
Fall Time
Rise Time
Fall Time
CC
CC
CC
CC
Load Regulation
Switchover Voltage
Voltage Drop
Hysteresis
CC
Voltage
CONDITIONS
(Note 6)
(Note 6)
C
C
(Note 7)
6V < V
I
EXTV
I
V
V
V
Non-Shedding Mode
Channel 2 and 3 Shedding
I
V
V
Measured at DIFFP Input
V
I
5V < V
INTV
(Note 8)
(Note 8)
CC
CC
PGOOD
DIFFOUT
LOAD
LOAD
FREQ
FREQ
FREQ
PGOOD
FB
DIFFP
C
C
C
C
V
V
LOAD
LOAD
LOAD
LOAD
FB
FB
= 0mA to 20mA
= 20mA, V
with Respect to Set Output Voltage
CC
CC
Ramping Negative
Ramping Positive
= 1.2V
= 0V
≥ 2.4V
= 3300pF Each Driver
= 3300pF Each Driver
IN
IN
= V
= 2mA
= 5V, I
= 5V
Ramping Positive
= 100µA
= 3300pF
= 3300pF
= 3300pF
= 3300pF
≤ 38V
< 38V
DIFFOUT
The
DIFFOUT
EXTVCC
A
= 25°C. V
l
= 1.5V,
denotes the specifications which apply over the full operating
= 5V
= 300µA
IN
= 15V, V
RUN
l
l
= 5V, unless otherwise noted. (Note 2)
V
INTVCC
0.997
MIN
450
210
700
–12
4.8
4.5
6.5
9
4
8
– 1.4 V
INTVCC
TYP
200
500
250
770
100
180
–10
100
5.0
0.5
4.7
7.5
0.1
25
25
25
25
30
30
90
50
10
60
80
5
0
0
10
1
3
3
2
– 1.1
1.003
MAX
100
550
290
850
5.2
2.0
8.5
0.2
0.3
2.5
11
±2
–7
13
UNITS
MHz
V/µs
3829f
Deg
Deg
kHz
kHz
kHz
V/V
mV
mV
mV
mA
kΩ
kΩ
µA
µA
µA
dB
ns
ns
ns
ns
ns
ns
ns
%
%
%
V
V
V
V
V
V