Analog Devices Linear ADI Power LTM4681 Manual page 9

ELECTRICAL CHARACTERISTICS
operating temperature range (Note 2). Specified as each individual output channel (Note 4). T
RUNP = 0, FREQUENCY_SWITCH = 350kHz and V
EEPROM settings and per Test Circuit 1, unless otherwise noted.
SYMBOL PARAMETER
SV V Threshold to Enable V
IN_THR SVIN_nn
Switchover
SV V Threshold to Disable V
IN_THF SVIN_nn
Switchover
V Regulator
DD33_nn
V Internal V
VDD33nn DD33
I V Current Limit
LIM DD33
V V Overvoltage Threshold
VDD33_OV DD33
V V Undervoltage Threshold
VDD33_UV DD33
V Regulator
DD25_nn
V Internal V
VDD25nn DD25
I V Current Limit
LIM DD25
Oscillator and Phase-Locked Loop (PLL)
f PLL SYNC Range
RANGE
f Oscillator Frequency Accuracy
OSC
V SYNC Input Threshold (Note 15)
TH(SYNC_nn)
V SYNC Low Output Voltage
OL(SYNC_nn)
I SYNC Leakage Current in Slave Mode 0V ≤ V
LEAK(SYNC_nn)
SYNC to Ch0, Ch2 Phase
θSYNC-θ0,-θ2
Relationship Based on the Falling
Edge of Sync and Rising Edge of
SW0, SW2
SYNC to Ch1, Ch3 Phase
θSYNC-θ1,-θ3
Relationship Based on the Falling
Edge of Sync and Rising Edge of
SW1, SW3
EEPROM Characteristics
Endurance (Note 13)
Retention (Note 13)
Mass_Write Mass Write Operation Time
Leakage Current SDA_nn, SCL_nn, ALERT_nn, RUNn
I Input Leakage Current
OL
Leakage Current FAULTn, PGOODn
I Input Leakage Current
GL
Digital Inputs SCL_nn, SDA_nn, RUNn
V Input High Threshold Voltage
IH
V Input Low Threshold Voltage
IL
V Input Hysteresis
HYST
C Input Capacitance
PIN
commanded to 1.000V unless otherwise noted. Configured with factory-default
OUTn
CONDITIONS
SV Rising
BIAS IN_nn
SV Falling
BIAS IN_nn
Voltage 4.5V < V
INTVCC_nn
V
DD33_nn
(Note 15)
(Note 15)
Voltage
V
DD25_nn
Synchronized with Falling Edge of SYNC
Frequency Switch = 250kHz to 1000kHz (Note 15)
V Falling
SYNC
V Rising
SYNC
I = 3mA (Note 15)
LOAD
PIN
MFR_PWM_CONFIG[2:0] = 0,2,3
MFR_PWM_CONFIG[2:0] = 5
MFR_PWM_CONFIG[2:0] = 1
MFR_PWM_CONFIG[2:0]= 4,6
MFR_PWM_CONFIG[2:0] = 3
MFR_PWM_CONFIG[2:0] = 0
MFR_PWM_CONFIG[2:0] = 2,4,5
MFR_PWM_CONFIG[2:0] = 1
MFR_PWM_CONFIG[2:0] = 6
0°C ≤ T
J
T < 125°C
J
STORE_USER_ALL, 0°C < T
During EEPROM Write Operation
OV ≤ V
PIN
OV ≤ V
PIN
SCL, SDA
For more information
The denotes the specifications which apply over the specified internal
l
= GND, V = INTV = 4.5V
IN_nn CC_nn
= GND, V = INTV = 4.5V
IN_nn CC_nn
≤ 3.6V
≤ 85°C During EEPROM Write Operations
< 85°C
J
≤ 5.5V
≤ 3.6V
www.analog.com
LTM4681
= 25°C, V = 12V, RUNn = 3.3V,
A IN
MIN TYP
7
6.5
3.2 3.3
100
3.5
3.1
2.5
80
250
l
l
1
1.5
0.2
0
60
90
120
120
180
240
270
300
10,000
l
10
l
440
l
l
l
0.8
l
0.08
MAX UNITS
7.5 V
V
3.4 V
mA
V
V
V
mA
1000 kHz
±7.5 %
V
V
0.4 V
±5 µA
Deg
Deg
Deg
Deg
Deg
Deg
Deg
Deg
Deg
Cycles
Years
4100 ms
±5 µA
±2 µA
1.35 V
V
V
10 pF
Rev. A
9