SC220EVB Semtech, SC220EVB Datasheet - Page 3

• Manufacturer Part Number: SC220EVB
• Description: SC220 20 MHz Step-Down Regulator (SOIC-8) Evaluation Board
• Manufacturer: Semtech

Absolute Maximum Ratings
AVIN, PVIN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.0
VOUT, FB, EN, SW (V) . . . . . . . . . . . . . . . . . . . . .-0.3 to (V
AGND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3 to +0.3
ESD Protection Level
Electrical Characteristics
Exceeding the above specifi cations may result in permanent damage to the device or device malfunction. Operation outside of the parameters
specifi ed in the Electrical Characteristics section is not recommended.
Notes:
(1)
(2) Tested according to JEDEC standard JESD22-A114-B.
(3) Calculated from package in still air, mounted to 3 x 4.5 (in), 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.
Unless otherwise specifi ed: AVIN = PVIN = EN = 3.6V, C
and maximum values.
Parameter
POWER SUPPLY
Input Voltage
Input Quiescent Current
Shutdown Current
POWER SWITCH
PMOS On Resistance
NMOS On Resistance
OSCILLATOR
Switching Frequency
REGULATION
Output Voltage Tolerance
Current Limit
Soft-Start
Feedback Voltage
All voltage values in this section are with respect to PGND pin voltage.
(1)
(2)
(1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(1)
Symbol
V
I
I
OUT_TOL
VIN_SD
I
VIN_Q
f
V
LIMIT
V
t
OSC
SS
IN
FB
IN
= C
OUT
IN
= 1.0μF, L = 220nH. T
+0.3)
3kV
No load, no switching
EN pin low to high
2.7V ≤ VIN ≤ 5.5V
Condition
PWM Mode
EN = 0V
Recommended Operating Conditions
Input Voltage Range (V) . . . . . . . . . . . . . . . . . . . . . +2.7 to +5.5
Output DC Current (mA). . . . . . . . . . . . . . . . . . . . . up to 650
Operating Temperature Range (°C) . . . . . . . . . . -40 to +85
Thermal Information
Thermal Resistance, Junction to Ambient
Junction Temperature Range (°C) . . . . . . . . . . -40 to +150
Storage Temperature Range (°C) . . . . . . . . . . . . -65 to +150
Peak IR Refl ow Temperature (10s to 30s) (°C) . . . . . . . . . 260
A
= 25°C for typical values, -40°C < T
Min
0.97
-4.0
850
2.7
16
Typ
1.00
400
360
19
20
40
A
= T
J
< 85°C for minimum
Max
1300
1.03
5.5
1.0
4.0
40
24
(3)
SC220
(°C/W)....38
Units
MHz
mΩ
mΩ
mA
μA
μA
μs
%
V
V
3