®
ACT8938
Rev 3, 23-Dec-11
TYPICAL PERFORMANCE CHARACTERISTICS
(VVSYS = 3.6V, TA = 25°C, unless otherwise specified.)
Frequency vs. Temperature
VREF vs. Temperature
0.84
0.42
0
2.5
2
1.5
1
0.5
0
-0.42
-0.84
-0.5
-1
Typical VREF=1.2V
Typical Oscillator Frequency=2MHz
-40
-20
0
20
40
60
80
100
120
-40
-20
0
20
40
60
80 85
Temperature (°C)
Temperature (°C)
nPBIN Startup Sequence
PWRHLD Startup Sequence
CH1
CH1
CH2
CH3
CH2
CH3
CH4
CH5
CH6
CH1: VnPBIN, 5V/div
CH2: VOUT2, 2V/div
CH3: VOUT4, 2V/div
CH4: VOUT3, 2V/div
CH5: VOUT1, 2V/div
CH6: VOUT5, 2V/div
TIME: 2ms/div
CH1: VnPBIN, 2V/div
CH2: VPWRHLD, 2V/div
CH3: VOUT1, 2V/div
FRC_ON1[ ] = 0
TIME: 100ms/div
PWRHLD Startup Sequence
PWRHLD Startup Sequence
CH1
CH1
CH2
CH3
CH2
CH3
CH1: VnPBIN, 2V/div
CH2: VPWRHLD, 2V/div
CH3: VOUT1, 2V/div
FRC_ON1[ ] = 1
CH1: VnPBIN, 2V/div
CH2: VOUT1, 2V/div
CH3: VPWRHLD, 2V/div
FRC_ON1[ ] = 0
TIME: 100ms/div
TIME: 100ms/div
Innovative PowerTM
- 20 -
www.active-semi.com
Active-Semi Proprietary―For Authorized Recipients and Customers
ActivePMUTM and ActivePathTM are trademarks of Active-Semi.
I2CTM is a trademark of NXP.
Copyright © 2011 Active-Semi, Inc.
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
