MIC79110
Micrel
Absolute Maximum Ratings (1)
Operating Ratings (2)
Input Supply Voltage (V ) .................................. 0V to 18V
Input Supply Voltage ........................................ 2.5V to 16V
Shutdown Input Voltage (V) .................................. 0V to 7V
Output Voltage (ADJ) ...................................................9.6V
IN
Shutdown Input Voltage (V) ................................ 0V to 18V
Output Voltage (ADJ) ....................................................10V
Power Dissipation .................................... Internally Limited
Junction Temperature .............................. –40°C to +125°C
Junction Temperature Range (T ) ........... –40°C to +125°C
J
θ
θ
(MLF™-10)........................................................ 60°C
(MLF™-10) ......................................................... 2°C
JA
JC
Electrical Characteristics
TA = 25°C with VIN = VOUT + 1V; ILOAD = 100µA ; CBATT = 10µF; SD = 0V; RSET=1kΩ. Bold values indicate –40ºC < TJ < +125°C;
unless otherwise specified.
Parameter
Condition
Min
–0.75
–1.5
Typ
Max
+0.75
+1.5
Unit
%
Output Voltage Accuracy
Variation from VOUT = 4.2V; TJ = –5°C to +60°C; ILoad = 50mA
%
ADJ Pin Voltage Accuracy
Line Regulation
0.5955
–0.1
0.6
0.6045
+0.1
V
VIN = Vout + 1V to 16V @ ILOAD = 50mA
ILOAD = 0.1mA to 1A
%/V
%
Load Regulation
0.3
160
375
2
Dropout Voltage(3)
ILOAD = 100mA, Rset = 167Ω
ILOAD = 700mA, Rset = 167Ω
ILOAD = 10mA, Rset = 167Ω
ILOAD = 700mA, Rset = 167Ω
SD = VIN
250
550
3
mV
mV
mA
mA
µA
µA
V
Ground Current
24
35
300
5
VIN Pin Current
120
0.1
Shutdown Pin Current
Shutdown Input Threshold
SD = 5.2V, VBAT = 0
Logic High, regulator off
Logic Low, regulator on
1.1
0.9
V
Shutdown Hysteresis
60
mV
%
Current Limit Accuracy(4, 5)
VOUT = 0.9 × VNOM; IOUT = 1.2A,
–5
+5
RSET = 167Ω, TJ = –40°C to +85°C
VOUT = 0.9 × VNOM; IOUT = 0.1A,
RSET = 2kΩ
–20
+20
%
Current Limit Setpoint Range(5)
Maximum Current Limit
VBAT Reverse Current
0.1
1.2
2.5
20
A
A
RSET shorted to ground, VBAT = 0.9 × VNOM
1.25
1.65
4.2
VIN = High impedance or ground
µA
Digital End–of–Charge (DEOC) Output
(6, 7)
IEOC
REOC = 4kW Current Falling
35
30
50
70
65
70
mA
mA
(6, 7)
IEOC
REOC = 4kW Current Rising
50
40
95
100
mA
mA
DEOC Logic–Low Voltage
DEOC Leakage Current
DEOC On Resistance
IDEOC = 5mA, IBAT = 700mA
Logic High = VIN = 16V
VIN = +5V
0.74
0.1
0.95
V
µA
Ω
150
1.0
190
REOC Maximum Current Limit
REOC shorted to ground
0.5
2.0
mA
Analog Charge Indicator (ACHG) Output
(8)
ISOURCE
IBAT = 50mA
IBAT = 1.2A, TJ = –40°C to +85°C
45
46
55
µA
µA
800
950
1150
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
July 2004
3
M9999-072004