Linear Technology Analog Devices LTM4636-1, Manual, Page: 4 / 36

LTM4636
4
4636f
For more information www.linear.com/LTM4636
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Remote Sense Amplifier
A
V(VFB)
V
FB
Differential Gain (Note 6) 1 V/V
GBP V
FB
Path Gain Bandwidth Product (Note 5) 4 MHz
General Control or Monitor Pins
I
TMON
Temperature Monitor Current, T
J
= 25°C Into 25kΩ
Temperature Monitor Current, T
J
= 150°C Into 25kΩ
38 40.3
58
44 µA
µA
I
TMON(SLOPE)
Temperature Monitor Current Slope, R
TMON
= 25kΩ 0.144 µA/°C
V
PGOOD
PGOOD Trip Level V
FB
With Respect to Set Output
V
FB
Ramping Negative
V
FB
Ramping Positive
–7.5
7.5
%
%
V
PGL
PGOOD Voltage Low I
PGOOD
= 2mA 0.2 0.4 V
t
PGOOD
V
PGOOD
High-to-Low Delay 65 µs
I
PGOOD(OFF)
PGOOD Leakage Current V
PGOOD
= 5V –2 2 µA
V
PG1(HYST)
PGOOD Trip Level
Hysteresis
2.5 %
INTV
CC
Linear Regulator
V
INTVCC
Internal V
CC
Voltage Source 6V < V
IN
< 15V 5.3 5.5 5.7 V
V
INTVCC
Load Reg INTV
CC
Load Regulation I
CC
= 0mA to 10mA 0.5 %
UVLO HYS Controller UVLO Hysteresis (Note 6) 0.5 V
PV
CC(UVLO)
Drivers and Power
MOSFETs UVLO
PV
CC
Rising 3.5 3.8 4.1 V
PV
CC(HYS)
PV
CC
UVLO Hysteresis 0.45 V
PV
CC
Power Stage Bias 12V Input, PV
CC
Load = 50mm 5.0 V
Oscillator and Phase-Locked Loop
f
OSC
Oscillator Frequency
V
PHSMD
= 0V
R
FREQ
= 30.1kΩ
R
FREQ
= 47.5kΩ
R
FREQ
= 54.9kΩ
R
FREQ
= 75.0kΩ
Maximum Frequency
Minimum Frequency
l
l
210
540
625
945
1.2
250
600
750
1.05
290
660
825
1.155
0.2
kHz
kHz
kHz
MHz
MHz
MHz
I
FREQ
FREQ Pin Output Current V
FREQ
= 0.8V 19 20 21 µA
R
MODE/PLLIN
MODE_PLLIN Input
Resistance
250 kΩ
V
MODE/PLLIN
PLLIN Input Threshold V
MODE/PLLIN
Rising
V
MODE/PLLIN
Falling
2
1.2
V
V
V
CLKOUT
Low Output Voltage
High Output Voltage Verified Levels
Measurements on CLKOUT
0.2
5.2
V
V
PWM-CLKOUT PWM to Clockout Phase Delay V
PHSMD
= 0V
V
PHSMD
= 1/4 INTV
CC
V
PHSMD
= Float
V
PHSMD
= 3/4 INTV
CC
V
PHSMD
= INTV
CC
90
90
120
60
180
Deg
Deg
Deg
Deg
Deg
PWM/PWMEN Outputs
PWM PWM Output High Voltage I
LOAD
= 500µA 5.0 V
PWM Output Low Voltage
I
LOAD
= –500µA 0.5 V
elecTrical characTerisTics
The
l
denotes the specifications which apply over the specified internal
operating temperature range (Note 2), otherwise specifications are at T
A
= 25°C. V
IN
= 12V, per the typical application in Figure 20.