MAX8662ETM+ Maxim Integrated Products, MAX8662ETM+ Datasheet - Page 13

• Manufacturer Part Number: MAX8662ETM+
• Description: IC POWER MANAGE 48-TQFN-EP
• Manufacturer: Maxim Integrated Products

Specifications of MAX8662ETM+

• Applications: Handheld/Mobile Devices
• Current - Supply: 900µA
• Voltage - Supply: 4.1 V ~ 8 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC-COUPLED
V
3.315
3.310
3.305
3.300
3.295
3.290
3.285
3.280
V
OUT3
OUT2
V
(Circuit of Figure 1, V
V
0.068μF, C
unless otherwise noted.)
V
I
EN2
LX
DC
PEN2
I
L
OUT2 ENABLE AND DISABLE RESPONSE
0
OUT4 REGULATOR LOAD REGULATION
= 5V, C
OUT3 SWITCHING WAVEFORMS
100
REF
LOAD CURRENT (mA)
OUT1
= C
200
V
400µs/div
IN
Single-Cell, Li+ Battery-Operated Devices
1μs/div
= 5.5V
VL
= 2 x 10μF, C
_____________________________________________________________________________________
DC
= 0.1μF, R
300
= 5V, R
R
OUT2
V
I
V
IN
OUT3
CEN
MAX8662/63 toc41
400
= 3.6V
MAX8662 toc38
= 33I
= V
= 1mA
THM
PSET
OUT2
L
500
1V/div
200mA/div
2V/div
= 10kΩ, L1 = 3.3μH, L2 = 4.7μH, L3 = 22μH, V
100mA/div
10V/div
200mV/div
= 1.5kΩ, R
= 2 x 10μF, C
V
OUT3
V
3.4
3.0
2.6
2.2
1.8
1.4
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
I
EN3
DC
0
Typical Operating Characteristics (continued)
ISET
1
0
OUT3 ENABLE AND DISABLE RESPONSE
R
OUT4 REGULATOR LINE REGULATION
OUT3
LOAD
V
V
f = 1kHz
V
OUT3 LOAD = 7 WLEDs
I
V
LED
BAT
BRT
10
= 3kΩ, V
vs. PWM DIMMING DUTY CYCLE
CEN
BAT
= 30mA
= 3.6V
= 0.25V
= 330Ω
= 4.0V
= V
4.0V
20
2
Power-Management ICs for
= 0.1μF, C
L
30
LED CURRENT
DUTY CYCLE (%)
OUT1
V
40
3
IN_OUT4
4ms/div
IN SERIES WITH 0.22µF
50
OUT4
= 3.3V, V
(V)
60
COMPENSATION
4
AT CC3 = 1kI
70
= 4.7μF, C
80
5
MAX8662 toc42
OUT2
90
100
6
= 1.3V, SL1 = SL2 = open, V
OUT5
GND
10V/div
200mA/div
2V/div
= V
= 1μF, C
PG1
3.315
3.313
3.311
3.309
3.307
3.305
100
30
25
20
15
10
90
80
70
60
50
40
30
20
10
5
0
= V
0
OUT6
0
0.1
-40
V
PG2
BAT
OUT4 VOLTAGE vs. TEMPERATURE
LED CURRENT vs. BRT VOLTAGE
OUT3 REGULATOR EFFICIENCY
= 2.2μF, C
= 3.6V
V
SYS
= V
0.3
-15
AMBIENT TEMPERATURE (°C)
= 4.2V
vs. LOAD CURRENT
PG3
LOAD CURRENT (mA)
BRT VOLTAGE (V)
1
V
0.6
SYS
CEN
10
= 0V, T
OUT7
= 5.5V
= 0V, V
0.9
V
35
= 1μF, CT =
SYS
A
10
= +25°C,
V
R
= 3.6V
BAT
LOAD
PEN1
1.2
60
= 4.0V
= 330Ω
13
=
1.5
100
85