CDH2D09 查看數據表（PDF） - Maxim Integrated
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CDH2D09 Datasheet PDF : 44 Pages
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PMIC with Integrated Charger and
Smart Power Selector for Handheld Devices
ELECTRICAL CHARACTERISTICS (continued)
(DC, USB, BVSET, UOK, DOK, LX_ unconnected; VTHM = VL/2, VPG_ = VAGND = 0V, VBAT = 4V, CEN = low, USUS = low, EN = high,
VPEN1 = VPEN2 = 3.3V, VPWM = 0V, COUT4 = 1µF, COUT5 = 1µF, CSYS = 10µF, PV1 = PV2 = PV3 = PV4 = PV5 = SYS, RDISET = 3kΩ,
RCISET = 3kΩ, CVL = 0.1µF, CCT = 0.15µF, CBP = 0.01µF, VFB1 = 1.1V, VFB2 = 1.1V, VFB3 = 1.1V, TA = -40°C to +85°C, unless other-
wise noted.) (Note 2)
PARAMETER
Line Regulation
p-Channel Current-Limit
Threshold
Skip Mode Transition Current
n-Channel Zero-Crossing
Threshold
p-Channel On-Resistance
n-Channel On-Resistance
Maximum Duty Cycle
Minimum Duty Cycle
Internal Oscillator Frequency
Internal Discharge Resistance in
Shutdown
REG4—LINEAR REGULATOR
PV4 Operating Range
PV4 Undervoltage Lockout
Threshold
FB4 Voltage
FB4 Leakage Current
Drop-Out Resistance
Current Limit
Output Noise
PSRR
Internal Discharge Resistance in
Shutdown
SYMBOL
CONDITIONS
PWM mode (Note 9)
(Note 10)
VPV3 = 4V, ILX3 = 180mA
VPV3 = 4V, ILX3 = 180mA
PWM mode
EN = low, resistance from LX3 to PG3
VPV4
VPV4 rising, 100mV hysteresis
No load
VFB4 = 0.6V
TA = +25°C
TA = +85°C
PV4 to OUT4, VPV4 = 3.3V
PV4 to OUT4, VPV4 = 2.0V
VFB4 = 0.54V
VFB4 = 0V
10Hz to 100kHz;
COUT4 = 3.3µF, IOUT4 = 10mA, VPV4 = 2V,
VOUT4 set for 1.8V
f = 1kHz, IOUT4 = 10mA, VPV4 = 2V,
VOUT4 set for 1.8V
f = 10kHz, IOUT4 = 10mA, VPV4 = 2V,
VOUT4 set for 1.8V
EN = low, resistance from OUT4 to AGND
MIN TYP MAX UNITS
1
%/D
0.555 0.615 0.675
A
60
mA
10
mA
230
460
mΩ
120
210
mΩ
100
%
12.5
%
1.8
2.0
2.2
MHz
0.5
1.0
2.0
kΩ
1.7
VSYS
V
1.55 1.60 1.65
V
0.582 0.600 0.618
V
-50
-5
+50
nA
-5
0.45
Ω
0.75 1.8
200
230
265
mA
235
120
µVRMS
67
dB
50
0.5
1.0
2.0
kΩ
10 ______________________________________________________________________________________
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