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ADM1070SPECIFICATIONS
Parameter
Min   Typ   Max   Unit  Test Conditions
BOARD SUPPLY
(not connected directly to device)
Maximum Voltage Range
200  48   20    V    Limited by Voltage Capability of
External Components*
Typical Operating Voltage Range
77   48   36    V    R
DROP
= 16 k&, R1/R2 = 40*
VIN PINSHUNT REGULATOR
Operating Supply Voltage Range, V
SS
11.5   12.3   13    V    I
SS
= 1.5 mA to 4.25 mA
Quiescent Supply Current, I
SS
0.4   0.85   1.3    mA   V
SS
= 11.5 V
Maximum Shunt Supply Voltage, V
SS
12.5   14    V    I
SS
= 20 mA
Undervoltage Lockout, V
LKO
7    8.5   10.5   V
UV/OV PINUNDERVOLTAGE AND
OVERVOLTAGE DETECTION
Undervoltage Falling Threshold, V
UVF
0.81   0.86   0.91   V
Undervoltage Rising Threshold, V
UVR
0.86   0.91   0.96   V
Undervoltage Hysteresis, V
UVH
45
mV
Overvoltage Falling Threshold, V
OVF
1.85   1.93   2.01   V
Overvoltage Rising Threshold, V
OVR
1.89   1.97   2.05   V
Overvoltage Hysteresis V
OVH
45
mV
Power-On Reset Delay, t
POR
1.10   1.70   2.30   ms   TIMER Pin Tied to V
EE
(V
UVR
< UV/OV < V
OVF
)
0.90   1.21   1.51   ms   C
TIMER
= 470 pF
(V
UVR
< UV/OV < V
OVF
)
Voltage Fault Filter Time (UV/OV Out of
Voltage Window), t
FLT
1.10   1.70   2.30   ms   TIMER Pin Tied to V
EE
(V
UVR
< UV/OV < V
OVF
)
0.90   1.21   1.51   ms   C
TIMER
= 470 pF
(V
UVR
< UV/OV < V
OVF
)*
Input Current, I
VMON
1.0    礎(chǔ)
GATE PINFET DRIVER
Maximum Gate Voltage, V
GMAX
11    12    13    V    I
GATE
= 1 礎(chǔ)
Minimum Gate Voltage, V
GMIN
0
50    mV   I
GATE
= 1 礎(chǔ)
Pull-Up Current, I
GUP
20   40   55    礎(chǔ)   V
GATE
= 0 V to 9 V, V
SENSE
= 0
Pull-Down Current, I
GDP
10    30
mA   V
GATE
= V
SS
Hold-off Impedance, R
GOFF
10    k   V
GATE
< 2 V, V
SS
> 11 V
30    k   V
GATE
< 2 V, V
SS
> 2 V
SENSE PINCURRENT SENSE
Analog Current Limit Voltage (Rising),V
LIM
90    100   110    mV   I
GATE
= 0 礎(chǔ) to 15 礎(chǔ)
Circuit Breaker Limit Voltage (Rising)
75    88    100    mV
Circuit Breaker Limit Voltage (Rising)
12
mV
(With Respect to V
LIM
), V
LIMITON
Circuit Breaker Limit Voltage (Falling)
60    79    95    mV
Circuit Breaker Limit Voltage (Falling)
21
mV
(With Respect to V
LIM
), V
LIMITOFF
Fast Current Limit Voltage
107   126   145    mV
Fast Current Limit Voltage
26
mV
(With Respect to V
LIM
)
Control Loop Transconductance,
1.5   2.75   4
礎(chǔ)/mV I
GATE
< 30 礎(chǔ), T
A
= 25癈
(dI
GATE
/dV
SENSE
)
Maximum Current Limit On Time, t
LIMITON
10    14    18    ms   TIMER Pin Tied to V
EE
(V
UVR
< UV/OV < V
OVF
)
7.4   9.9   12.4   ms   C
TIMER
= 470 pF
(V
UVR
< UV/OV < V
OVF
)*
Current Limit PWM Off Time
320   450   580    ms   TIMER Pin Tied to V
EE
(V
UVR
< UV/OV < V
OVF
)*
240   320   400    ms   C
TIMER
= 470 pF
(V
UVR
< UV/OV < V
OVF
)*
Current Limit PWM Duty Cycle
3
%   (Typical Only)
Number of Consecutive PWM Retry Cycles
7
(Typical Only)
(V
DD
= 0 V, V
EE
= 48 V, R
DROP
= 16 k, T
A
= 40C to +85C, unless other-
wise noted.)