MIC2827 Datasheet, PDF (9/27 Pages) Micrel Semiconductor – Triple Output PMIC with HyperLight Load™ DCDC, two LDOs, and I2C Control

Micrel, Inc.
Typical Characteristics (continued)
1.92
1.90
1.88
1.86
1.84
1.82
1.80
1.78
1.76
1.74
1.72
1.70
1.68
0
DC-DC Output Voltage
vs. Load Current
V_IN = 3.6V
L = 1µH
C= 4.7µF
100 200 300 400 500
LOAD CURRENT (mA)
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
2.7
DC-DC Current Lim it
v s. Input Voltage
V_OUT = 1.8V
L = 1µH
C= 4.7µF
3.1 3.5 3.9 4.3 4.7 5.1 5.5
INPUT VO LT AGE (V)
RDSON (NMOS)
vs. Temperature
900
800
700
600
500
400
300
200
100
0
-40 -20
0 20 40 60 80 100 120
T EM PERAT URE (°C)
Quiescent Current
vs. Temperature
40
35
30
25
20
15
10
5
0
-40 -20
D_VIN = 3.6V
V_OUT = 1.8V
I_OUT = 0mA
0 20 40 60 80 100 120
T EM PERAT URE (°C)
DC-DC Output Voltage
vs. Temperature
1.9
1.88
1.86
1.84
1.82
1.8
1.78
1.76
1.74
1.72
1.7
-40 -20
D_VIN = 3.6V
V_OUT = 1.8V
Load = 20mA
0 20 40 60 80 100 120
T EM PERAT URE (°C)
Current Limit
vs. Temperature
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0.00
-40 -20
D_VIN = 3.6V
V_OUT = 1.8V
0 20 40 60 80 100 120
T EM PERAT URE (°C)
RDSON (PMOS)
v s. Input Voltage
800
700
600
500
400
300
200
100
0
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
INPUT VOLTAGE (V)
29
28
27
26
25
24
23
22
21
20
19
2.7
Quiescent Current
v s. Input Voltage
V_OUT = 1.8V
I_OUT = 0mA
3.1 3.5 3.9 4.3 4.7 5.1 5.5
INPUT VO LT AG E (V)
July 2009
9
MIC2827
2.10
2.06
2.02
1.98
1.94
1.90
1.86
1.82
1.78
1.74
1.70
1.66
1.62
1.58
1.54
1.50
2.7
DC-DC Output Voltage
v s. Input Voltage
L = 1µH
C= 4.7µF
Load = 20mA
3.1 3.5 3.9 4.3 4.7 5.1 5.5
INPUT VOLT AGE (V)
RDSON (PMOS)
vs. Temperature
800
700
600
500
400
300
200
100
0
-40 -20
0 20 40 60 80 100 120
T EM PERAT URE (°C)
RDSON (NMOS)
v s. Input Voltage
800
700
600
500
400
300
200
100
0
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
INPUT VOLT AGE (V)
M9999-072709-A