Datasheet

3
LT1764 Series
1764fb
PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage I
LOAD
= 0.5A 1.7 V
(Notes 3, 11) I
LOAD
= 1.5A 1.9 V
I
LOAD
= 2.7A, 110°C < T
J
≤ 125°C 2.3 2.7 V
I
LOAD
= 3A, –40°C ≤ T
J
≤ 110°C 2.3 2.7 V
Regulated Output Voltage LT1764-1.5 V
IN
= 2.21V, I
LOAD
= 1mA 1.477 1.500 1.523 V
(Note 4) 2.7V < V
IN
< 20V, 1mA < I
LOAD
< 3A, –40°C ≤ T
J
≤ 110°C 1.447 1.500 1.545 V
2.7V < V
IN
< 20V, 1mA < I
LOAD
< 2.7A, 110°C < T
J
≤ 125°C 1.447 1.500 1.545 V
LT1764-1.8 V
IN
= 2.3V, I
LOAD
= 1mA 1.773 1.800 1.827 V
2.8V < V
IN
< 20V, 1mA < I
LOAD
< 3A, –40°C ≤ T
J
≤ 110°C 1.737 1.800 1.854 V
2.8V < V
IN
< 20V, 1mA < I
LOAD
< 2.7A, 110°C < T
J
≤ 125°C 1.737 1.800 1.854 V
LT1764-2.5 V
IN
= 3V, I
LOAD
= 1mA 2.462 2.500 2.538 V
3.5V < V
IN
< 20V, 1mA < I
LOAD
< 3A, –40°C ≤ T
J
≤ 110°C 2.412 2.500 2.575 V
3.5V < V
IN
< 20V, 1mA < I
LOAD
< 2.7A, 110°C < T
J
≤ 125°C 2.412 2.500 2.575 V
LT1764-3.3 V
IN
= 3.8V, I
LOAD
= 1mA 3.250 3.300 3.350 V
4.3V < V
IN
< 20V, 1mA < I
LOAD
< 3A, –40°C ≤ T
J
≤ 110°C 3.183 3.300 3.400 V
4.3V < V
IN
< 20V, 1mA < I
LOAD
< 2.7A, 110°C < T
J
≤ 125°C 3.183 3.300 3.400 V
ADJ Pin Voltage LT1764 V
IN
= 2.21V, I
LOAD
= 1mA 1.192 1.210 1.228 V
(Notes 3, 4) 2.7V < V
IN
< 20V, 1mA < I
LOAD
< 3A, –40°C ≤ T
J
≤ 110°C 1.168 1.210 1.246 V
2.7V < V
IN
< 20V, 1mA < I
LOAD
< 2.7A, 110°C < T
J
≤ 125°C 1.168 1.210 1.246 V
Line Regulation LT1764-1.5 ∆V
IN
= 2.21V to 20V, I
LOAD
= 1mA ● 2.5 10 mV
LT1764-1.8 ∆V
IN
= 2.3V to 20V, I
LOAD
= 1mA ● 310mV
LT1764-2.5 ∆V
IN
= 3V to 20V, I
LOAD
= 1mA ● 410mV
LT1764-3.3 ∆V
IN
= 3.8V to 20V, I
LOAD
= 1mA ● 4.5 10 mV
LT1764 (Note 3) ∆V
IN
= 2.21V to 20V, I
LOAD
= 1mA ● 210mV
Load Regulation LT1764-1.5 V
IN
= 2.7V, ∆I
LOAD
= 1mA to 3A 3 7 mV
V
IN
= 2.7V, ∆I
LOAD
= 1mA to 3A, –40°C ≤ T
J
≤ 110°C23mV
V
IN
= 2.7V, ∆I
LOAD
= 1mA to 2.7A, 110°C < T
J
≤ 125°C23mV
LT1764-1.8 V
IN
= 2.8V, ∆I
LOAD
= 1mA to 3A 4 8 mV
V
IN
= 2.8V, ∆I
LOAD
= 1mA to 3A, –40°C ≤ T
J
≤ 110°C25mV
V
IN
= 2.8V, ∆I
LOAD
= 1mA to 2.7A, 110°C < T
J
≤ 125°C25mV
LT1764-2.5 V
IN
= 3.5V, ∆I
LOAD
= 1mA to 3A 4 10 mV
V
IN
= 3.5V, ∆I
LOAD
= 1mA to 3A, –40°C ≤ T
J
≤ 110°C30mV
V
IN
= 3.5V, ∆I
LOAD
= 1mA to 2.7A, 110°C < T
J
≤ 125°C30mV
LT1764-3.3 V
IN
= 4.3V, ∆I
LOAD
= 1mA to 3A 4 12 mV
V
IN
= 4.3V, ∆I
LOAD
= 1mA to 3A, –40°C ≤ T
J
≤ 110°C40mV
V
IN
= 4.3V, ∆I
LOAD
= 1mA to 2.7A, 110°C < T
J
≤ 125°C40mV
LT1764 (Note 3) V
IN
= 2.7V, ∆I
LOAD
= 1mA to 3A 2 5 mV
V
IN
= 2.7V, ∆I
LOAD
= 1mA to 3A, –40°C ≤ T
J
≤ 110°C20mV
V
IN
= 2.7V, ∆I
LOAD
= 1mA to 2.7A, 110°C < T
J
≤ 125°C20mV
Dropout Voltage I
LOAD
= 1mA 0.02 0.05 V
V
IN
= V
OUT(NOMINAL)
I
LOAD
= 1mA ● 0.10 V
(Notes 5, 6, 11) I
LOAD
= 100mA 0.07 0.13 V
I
LOAD
= 100mA ● 0.18 V
I
LOAD
= 500mA 0.14 0.20 V
I
LOAD
= 500mA ● 0.27 V
I
LOAD
= 1.5A 0.25 0.33 V
I
LOAD
= 1.5A ● 0.40 V
I
LOAD
= 2.7A, 110°C < T
J
≤ 125°C 0.66 V
I
LOAD
= 3A 0.34 0.45 V
I
LOAD
= 3A, –40°C ≤ T
J
≤ 110°C 0.66 V
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are T
A
= 25°C. (Note 2)