LTM4603 LINER [Linear Technology], LTM4603 Datasheet - Page 3

• Manufacturer Part Number: LTM4603
• Description: 36VIN, 34VOUT High Efficiency Buck-Boost DC/DC
• Manufacturer: LINER [Linear Technology]

electrical characteristics
temperature range (Note 2), otherwise specifications are at T
SYMBOL
Input Specifications
V
V
I
Output Specifications
I
ΔV
ΔV
Switch Section
M1 t
M1 t
M3 t
M3 t
M2, M4 t
M2, M4 t
t
t
t
t
Mode Transition 1
Mode Transition 2
M1 R
M2 R
M3 R
M4 R
Oscillator and Phase-Locked Loop
f
f
1d
2d
3d
4d
NOM
LOW
Q(VIN)
OUTDC
IN(DC)
IN(UVLO)
FB
FB
r
f
r
f
/V
/V
DS(ON)
DS(ON)
DS(ON)
DS(ON)
FB(NOM)
FB(LOAD)
r
f
PARAMETER
Input DC Voltage
Undervoltage Lockout Threshold
Input Supply Bias Current
Output Continuous Current Range
(See Output Current Derating Curves
for Different V
Reference Voltage Line Regulation
Accuracy
Load Regulation Accuracy
Turn-On Time (Note 5)
Turn-Off Time
Turn-On Time
Turn-Off Time
Turn-On Time
Turn-Off Time
M1 Off to M2 On Delay (Note 5)
M2 Off to M1 On Delay
M3 Off to M4 On Delay
M4 Off to M3 On Delay
M2 Off to M4 On Delay
M4 Off to M2 On Delay
Static Drain-to-Source
On-Resistance
Static Drain-to-Source
On-Resistance
Static Drain-to-Source
On-Resistance
Static Drain-to-Source
On-Resistance
Nominal Frequency
Lowest Frequency
Normal
Standby
Shutdown Supply Current
IN
, V
OUT
and T
A
)
CONDITIONS
V
V
V
V
V
V
V
V
V
Drain to Source Voltage V
Bias Current I
Drain to Source Voltage V
Bias Current I
Drain to Source Voltage V
Bias Current I
Drain to Source Voltage V
Bias Current I
Drain to Source Voltage V
Bias Current I
Drain to Source Voltage V
Bias Current I
Drain to Source Voltage V
Bias Current I
Drain to Source Voltage V
Bias Current I
Drain to Source Voltage V
Bias Current I
Drain to Source Voltage V
Bias Current I
Drain to Source Voltage V
Bias Current I
Drain to Source Voltage V
Bias Current I
Bias Current I
Bias Current I
Bias Current I
Bias Current I
V
V
IN
IN
RUN
RUN
IN
IN
IN
COMP
COMP
PLLFLTR
PLLFLTR
Falling (–40°C to 85°C)
Falling (–55°C to 125°C)
= 32V, V
= 6V, V
= 4.5V to 36V, V
= 0V, V
= 0V, V
The
= 1.2V to 0.7V
= 1.2V to 1.8V (Note 4)
= 1.2V
= 0V
A
OUT
= 25°C, V
OUT
l
STBYMD
STBYMD
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
denotes the specifications which apply over the specified operating
= 12V
= 12V
= 10mA
= 10mA
= 10mA
= 10mA
= 10mA
= 10mA
= 10mA
= 10mA
= 10mA
= 10mA
= 10mA
= 10mA
= 3A
= 3A
= 3A
= 3A
COMP
> 2V
= Open
IN
= 12V, per typical application (front page) configuration.
= 1.2V (Note 4)
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
= 12V,
= 12V,
= 12V,
= 12V,
= 12V,
= 12V,
= 12V,
= 12V,
= 12V,
= 12V,
= 12V,
= 12V,
l
l
l
l
l
MIN
260
170
4.5
0.002
–0.15
0.15
TYP
220
220
300
200
3.4
3.4
2.8
1.6
35
10
50
40
25
20
20
20
50
50
50
50
10
14
14
14
4
LTM4609
MAX
–0.5
0.02
330
220
4.5
0.5
36
60
20
20
20
4
UNITS
4609fc
3
%/V
mΩ
mΩ
mΩ
mΩ
kHz
kHz
mA
mA
µA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
V
V
V
A
A