Datasheet

MIC2288
DS20006034B-page 4  2018 Microchip Technology Inc.
ELECTRICAL CHARACTERISTICS
Electrical Characteristics: T
A
= +25°C, V
IN
= V
EN
= 3.6V, V
OUT
= 10V, I
OUT
= 20 mA, unless otherwise noted. Bold
values indicate –40°C  T
J
 ±125°C. Note 1
Parameter Sym. Min. Typ. Max. Units Conditions
Supply Voltage Range V
IN
2.5 — 10 V—
Undervoltage Lockout V
UVLO
1.8 2.1 2.4 V —
Quiescent Current I
VIN
—2.8 5 mAV
FB
= 2V, not switching
Shutdown Current I
SD
—0.1 1 µAV
EN
= 0V, Note 2
Feedback Voltage V
FB
1.2271.241.252
V
±1%
1.215 — 1.265 ±2%, overtemperature
Feedback Input Current I
FB
—–450— nAV
FB
= 1.24V
Line Regulation — — 0.1 1 % 3V  V
IN
 5V
Load Regulation — — 0.2 — % 5 mA  I
OUT
 40 mA
Maximum Duty Cycle D
MAX
85 90 — % —
Switch Current Limit I
SW
—1.2— A—
Switch Saturation Voltage V
SW
— 550 — mV I
SW
= 1A
Switch Leakage Current I
SW
—0.01 5 µA V
EN
= 0V, V
SW
= 10V
Enable Threshold V
EN
1.5 ——
V
Turn on
——0.4 Turn off
Enable Pin Current I
EN
—2040µAV
EN
= 10V
Oscillator Frequency f
SW
1.05 1.2 1.35 MHz —
Output Overvoltage
Protection
V
OVP
30 32 34 V DFN package option only
Overtemperature
Threshold Shutdown
T
J
— 150 —
°C
—
— 10 — Hysteresis
Note 1: Specification for packaged product only.
2: I
SD
= I
VIN
.