mic3975 Micrel Semiconductor, mic3975 Datasheet - Page 4

• Manufacturer Part Number: mic3975
• Description: Mic3975 750ma ?cap Low-voltage Low-dropout Regulator
• Manufacturer: Micrel Semiconductor

MIC3975
Symbol
Adjustable Output Only
ppm/°C
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
Note 6.
Note 7.
Note 8.
Note 9.
Note 10. V
Note 11. Thermal regulation is defined as the change in output voltage at a time t after a change in power dissipation is applied, excluding load or line
Note 12. Specification for packaged product only.
MIC3975
Exceeding the absolute maximum ratings may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended.
P
Output voltage temperature coefficient is ΔV
V
voltage is the input-to-output voltage differential with the minimum input voltage being 2.25V. Minimum input operating voltage is 2.25V.
I
V
For a 2.5V device, V
regulation effects. Specifications are for a 200mA load pulse at V
GND
D(max)
DO
EN
REF
≤ 0.8V, V
= V
is the quiescent current. I
≤ V
Parameter
Reference Voltage
Adjust Pin Bias Current
Reference Voltage
Temp. Coefficient
Adjust Pin Bias Current
Temp. Coefficient
= (T
IN
OUT
– V
J(max)
≤ (V
IN
OUT
≤ 8V, and V
IN
– T
when V
– 1V), 2.25V ≤ V
IN
A
) ÷ θ
= 2.250V (device is in dropout).
OUT
JA
OUT
, where θ
decreases to 98% of its nominal output voltage with V
IN
= 0V.
= I
GND
IN
JA
≤ 16V, 10mA ≤ I
+ I
depends upon the printed circuit layout. See “Applications Information.”
OUT
OUT(worst case)
.
Condition
Note 10
Note 11
L
≤ 750mA, T
÷ (T
J(max)
IN
4
= 16V for t = 10ms.
J
– T
= T
J(min)
MAX
.
) where T
IN
J(max)
= V
OUT
is +125°C and T
+ 1V. For output voltages below 2.25V, dropout
1.228
1.215
1.203
Min
J(min)
is –40°C.
1.240
Typ
0.1
40
20
February 2005
1.252
1.265
1.277
Max
120
80
Micrel
nA/°C
Units
nA
nA
V
V
V